🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.52 AU - 0.66 AU

Year: 293 Days

Day: 29.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.54 AU - 0.78 AU

Year: 346 Days

Day: 15.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 9.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.6 AU - 0.8 AU

Year: 378 Days

Day: 8.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 33,878,964 km

• M1: 121,922 km (0.093 R)
• M2: 215,271 km (0.061 R)
• M3: 288,425 km (0.12 R)
• M4: 357,838 km (0.11 R)
• M5: 480,658 km (0.115 R)
• M6: 548,276 km (0.076 R)
• M7: 609,163 km (0.085 R)
• M8: 694,433 km (0.058 R)
• M9: 780,302 km (0.096 R)
• M10: 850,165 km (0.082 R)
• M11: 988,543 km (0.059 R)
• M12: 1,104,032 km (0.109 R)
• M13: 1,165,667 km (0.098 R)
• M14: 1,246,898 km (0.082 R)
• M15: 1,410,409 km (0.098 R)
• M16: 1,526,796 km (0.095 R)
• M17: 1,606,232 km (0.103 R)
• M18: 1,816,118 km (0.101 R)
• M19: 2,067,891 km (0.04 R)
• M20: 2,139,549 km (0.048 R)
• M21: 2,212,104 km (0.111 R)
• M22: 2,342,553 km (0.1 R)
• M23: 2,452,208 km (0.111 R)
• M24: 2,599,263 km (0.106 R)
• M25: 2,840,564 km (0.049 R)
• M26: 3,026,365 km (0.111 R)
• M27: 3,165,192 km (0.116 R)
• M28: 3,261,084 km (0.102 R)
• M29: 3,345,008 km (0.041 R)
• M30: 3,534,848 km (0.034 R)
• M31: 3,634,480 km (0.116 R)
• M32: 3,782,283 km (0.099 R)
• M33: 3,891,041 km (0.076 R)
• M34: 3,952,675 km (0.055 R)
• M35: 4,125,610 km (0.103 R)
• M36: 4,237,659 km (0.103 R)
• M37: 4,450,537 km (0.102 R)
• M38: 4,515,013 km (0.059 R)
• M39: 4,608,811 km (0.053 R)
• M40: 4,710,538 km (0.115 R)
• M41: 4,798,352 km (0.115 R)
• M42: 4,923,565 km (0.05 R)
• M43: 5,005,246 km (0.119 R)
• M44: 5,079,895 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 13.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.72 AU - 1.92 AU

Year: 1585 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 33,878,964 km

• M1: 172,486 km (0.069 R)
• M2: 265,237 km (0.067 R)
• M3: 419,024 km (0.082 R)
• M4: 529,427 km (0.087 R)
• M5: 620,831 km (0.029 R)
• M6: 883,525 km (0.04 R)
• M7: 1,055,563 km (0.027 R)
• M8: 1,183,768 km (0.054 R)
• M9: 1,471,893 km (0.095 R)
• M10: 1,632,711 km (0.086 R)
• M11: 1,799,513 km (0.076 R)
• M12: 2,073,426 km (0.072 R)
• M13: 2,334,475 km (0.099 R)
• M14: 2,469,262 km (0.115 R)
• M15: 2,588,043 km (0.045 R)
• M16: 2,793,890 km (0.12 R)
• M17: 2,946,928 km (0.069 R)
• M18: 3,211,717 km (0.075 R)
• M19: 3,649,739 km (0.092 R)
• M20: 3,838,981 km (0.116 R)
• M21: 3,977,508 km (0.089 R)
• M22: 4,194,276 km (0.078 R)
• M23: 4,293,010 km (0.062 R)
• M24: 4,459,363 km (0.117 R)
• M25: 4,730,135 km (0.059 R)
• M26: 4,821,539 km (0.098 R)
• M27: 4,983,105 km (0.111 R)
• M28: 5,276,167 km (0.107 R)
• M29: 5,394,948 km (0.106 R)
• M30: 5,562,797 km (0.107 R)
• M31: 5,965,365 km (0.106 R)
• M32: 6,139,048 km (0.067 R)
• M33: 6,276,678 km (0.112 R)
• M34: 6,606,092 km (0.057 R)
• M35: 6,695,851 km (0.061 R)
• M36: 7,176,808 km (0.098 R)
• M37: 7,414,818 km (0.103 R)
• M38: 7,601,816 km (0.107 R)
• M39: 7,695,913 km (0.044 R)
• M40: 7,912,381 km (0.113 R)
• M41: 8,021,438 km (0.118 R)
• M42: 8,462,602 km (0.098 R)
• M43: 8,588,115 km (0.025 R)
• M44: 8,756,412 km (0.088 R)
• M45: 8,883,421 km (0.089 R)
• M46: 9,010,878 km (0.049 R)
• M47: 9,124,872 km (0.063 R)
• M48: 9,411,800 km (0.116 R)
• M49: 9,599,995 km (0.101 R)
• M50: 9,847,878 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 14

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.33 AU - 2.81 AU

Year: 2660 Days

Day: 12.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 33,878,964 km

• M1: 180,864 km (0.118 R)
• M2: 267,930 km (0.095 R)
• M3: 367,712 km (0.101 R)
• M4: 467,344 km (0.086 R)
• M5: 564,283 km (0.058 R)
• M6: 774,767 km (0.075 R)
• M7: 876,644 km (0.111 R)
• M8: 1,054,216 km (0.045 R)
• M9: 1,222,963 km (0.095 R)
• M10: 1,401,283 km (0.115 R)
• M11: 1,576,762 km (0.052 R)
• M12: 1,950,158 km (0.065 R)
• M13: 2,041,413 km (0.105 R)
• M14: 2,134,313 km (0.098 R)
• M15: 2,228,559 km (0.056 R)
• M16: 2,577,123 km (0.109 R)
• M17: 2,765,466 km (0.064 R)
• M18: 3,186,883 km (0.06 R)
• M19: 3,295,491 km (0.083 R)
• M20: 3,437,011 km (0.118 R)
• M21: 3,548,461 km (0.077 R)
• M22: 3,906,898 km (0.11 R)
• M23: 4,023,435 km (0.108 R)
• M24: 4,124,264 km (0.086 R)
• M25: 4,277,302 km (0.119 R)
• M26: 4,397,429 km (0.107 R)
• M27: 4,536,406 km (0.12 R)
• M28: 4,712,034 km (0.09 R)
• M29: 4,889,906 km (0.076 R)
• M30: 4,979,814 km (0.101 R)
• M31: 5,070,171 km (0.093 R)
• M32: 5,418,734 km (0.093 R)
• M33: 5,549,034 km (0.105 R)
• M34: 6,178,093 km (0.12 R)
• M35: 6,314,377 km (0.041 R)
• M36: 7,031,698 km (0.083 R)
• M37: 7,400,158 km (0.106 R)
• M38: 7,503,680 km (0.081 R)
• M39: 7,607,650 km (0.078 R)
• M40: 7,901,311 km (0.091 R)
• M41: 8,092,048 km (0.092 R)
• M42: 8,284,431 km (0.033 R)
• M43: 8,391,842 km (0.095 R)
• M44: 8,695,376 km (0.025 R)
• M45: 8,782,891 km (0.106 R)
• M46: 9,627,820 km (0.028 R)
• M47: 9,808,983 km (0.104 R)
• M48: 9,991,343 km (0.089 R)
• M49: 10,244,013 km (0.047 R)
• M50: 10,545,304 km (0.054 R)
• M51: 10,920,046 km (0.12 R)
• M52: 11,370,934 km (0.09 R)
• M53: 11,634,675 km (0.042 R)
• M54: 11,779,486 km (0.051 R)
• M55: 12,266,427 km (0.109 R)
• M56: 12,413,781 km (0.05 R)
• M57: 12,537,050 km (0.118 R)
• M58: 12,909,249 km (0.078 R)
• M59: 13,034,163 km (0.112 R)
• M60: 13,184,509 km (0.116 R)
• M61: 13,487,146 km (0.07 R)
• M62: 13,792,026 km (0.097 R)
• M63: 14,227,805 km (0.081 R)
• M64: 14,903,089 km (0.072 R)
• M65: 15,323,908 km (0.111 R)
• M66: 16,123,509 km (0.106 R)
• M67: 16,609,852 km (0.075 R)
• M68: 16,745,836 km (0.046 R)
• M69: 17,183,410 km (0.057 R)
• M70: 17,652,399 km (0.102 R)
• M71: 17,874,552 km (0.093 R)
• M72: 18,013,828 km (0.093 R)
• M73: 18,462,172 km (0.118 R)
• M74: 18,631,218 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.6

Radius: 9.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.58 AU - 4.98 AU

Year: 5717 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 33,878,964 km

• M1: 169,345 km (0.115 R)
• M2: 281,244 km (0.081 R)
• M3: 446,998 km (0.09 R)
• M4: 809,175 km (0.119 R)
• M5: 948,451 km (0.077 R)
• M6: 1,021,155 km (0.072 R)
• M7: 1,172,698 km (0.084 R)
• M8: 1,359,097 km (0.032 R)
• M9: 1,613,263 km (0.099 R)
• M10: 1,867,281 km (0.028 R)
• M11: 2,166,626 km (0.1 R)
• M12: 2,313,681 km (0.103 R)
• M13: 2,464,326 km (0.117 R)
• M14: 2,722,382 km (0.111 R)
• M15: 2,792,843 km (0.104 R)
• M16: 2,917,458 km (0.034 R)
• M17: 3,135,422 km (0.117 R)
• M18: 3,339,922 km (0.049 R)
• M19: 3,472,316 km (0.048 R)
• M20: 3,568,059 km (0.072 R)
• M21: 3,801,431 km (0.087 R)
• M22: 3,919,913 km (0.093 R)
• M23: 3,999,649 km (0.091 R)
• M24: 4,100,178 km (0.092 R)
• M25: 4,678,075 km (0.081 R)
• M26: 4,741,654 km (0.093 R)
• M27: 4,805,383 km (0.117 R)
• M28: 4,955,280 km (0.108 R)
• M29: 5,347,825 km (0.115 R)
• M30: 5,773,131 km (0.101 R)
• M31: 6,186,171 km (0.076 R)
• M32: 6,584,999 km (0.093 R)
• M33: 6,680,143 km (0.111 R)
• M34: 6,799,672 km (0.104 R)
• M35: 7,162,447 km (0.036 R)
• M36: 7,284,818 km (0.073 R)
• M37: 7,358,570 km (0.081 R)
• M38: 7,457,155 km (0.098 R)
• M39: 8,211,577 km (0.098 R)
• M40: 8,288,320 km (0.113 R)
• M41: 8,391,094 km (0.097 R)
• M42: 8,520,197 km (0.106 R)
• M43: 8,727,989 km (0.109 R)
• M44: 8,806,378 km (0.069 R)
• M45: 9,069,371 km (0.049 R)
• M46: 9,873,759 km (0.118 R)
• M47: 10,092,172 km (0.098 R)
• M48: 10,450,458 km (0.066 R)
• M49: 11,151,175 km (0.101 R)
• M50: 11,378,713 km (0.092 R)
• M51: 11,550,302 km (0.08 R)
• M52: 12,099,326 km (0.105 R)
• M53: 12,421,111 km (0.05 R)
• M54: 12,716,118 km (0.082 R)
• M55: 13,103,128 km (0.069 R)
• M56: 13,524,096 km (0.098 R)
• M57: 14,907,577 km (0.053 R)
• M58: 15,126,738 km (0.083 R)
• M59: 15,221,135 km (0.103 R)
• M60: 15,441,791 km (0.105 R)
• M61: 16,367,802 km (0.116 R)
• M62: 16,561,531 km (0.09 R)
• M63: 16,918,921 km (0.066 R)
• M64: 17,049,520 km (0.069 R)
• M65: 17,180,418 km (0.09 R)
• M66: 17,443,112 km (0.071 R)
• M67: 17,873,056 km (0.06 R)
• M68: 18,072,620 km (0.075 R)
• M69: 19,422,292 km (0.093 R)
• M70: 19,696,056 km (0.094 R)
• M71: 19,798,979 km (0.09 R)
• M72: 19,971,166 km (0.073 R)
• M73: 20,908,846 km (0.061 R)
• M74: 21,436,028 km (0.083 R)
• M75: 21,648,158 km (0.092 R)
• M76: 21,719,068 km (0.069 R)
• M77: 21,896,491 km (0.105 R)
• M78: 22,181,475 km (0.095 R)
• M79: 22,611,269 km (0.103 R)
• M80: 22,935,448 km (0.117 R)
• M81: 23,551,791 km (0.1 R)
• M82: 24,431,427 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 14.5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.78 AU - 4.96 AU

Year: 5898 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 33,878,964 km

• M1: 309,967 km (0.114 R)
• M2: 472,879 km (0.096 R)
• M3: 626,815 km (0.097 R)
• M4: 775,067 km (0.108 R)
• M5: 993,479 km (0.091 R)
• M6: 1,296,714 km (0.101 R)
• M7: 1,393,803 km (0.064 R)
• M8: 2,459,987 km (0.076 R)
• M9: 2,623,647 km (0.111 R)
• M10: 2,876,318 km (0.096 R)
• M11: 3,137,067 km (0.076 R)
• M12: 3,451,372 km (0.096 R)
• M13: 4,135,035 km (0.078 R)
• M14: 4,331,008 km (0.073 R)
• M15: 4,605,819 km (0.119 R)
• M16: 4,707,097 km (0.106 R)
• M17: 5,015,717 km (0.109 R)
• M18: 5,491,139 km (0.07 R)
• M19: 6,036,573 km (0.104 R)
• M20: 6,457,093 km (0.09 R)
• M21: 7,386,096 km (0.116 R)
• M22: 7,836,086 km (0.092 R)
• M23: 8,387,803 km (0.1 R)
• M24: 8,637,183 km (0.093 R)
• M25: 9,175,137 km (0.065 R)
• M26: 10,685,327 km (0.1 R)
• M27: 11,057,826 km (0.106 R)
• M28: 11,885,551 km (0.117 R)
• M29: 12,095,586 km (0.096 R)
• M30: 12,590,456 km (0.112 R)
• M31: 13,164,313 km (0.094 R)
• M32: 13,783,499 km (0.107 R)
• M33: 14,004,305 km (0.108 R)
• M34: 14,152,108 km (0.119 R)
• M35: 14,337,610 km (0.038 R)
• M36: 14,673,606 km (0.066 R)
• M37: 15,201,537 km (0.038 R)
• M38: 15,429,674 km (0.116 R)
• M39: 15,544,266 km (0.071 R)
• M40: 16,121,115 km (0.075 R)
• M41: 16,392,635 km (0.114 R)
• M42: 16,665,801 km (0.118 R)
• M43: 17,137,633 km (0.097 R)
• M44: 17,454,481 km (0.064 R)
• M45: 18,255,428 km (0.049 R)
• M46: 18,538,617 km (0.066 R)
• M47: 18,986,513 km (0.114 R)
• M48: 19,191,312 km (0.113 R)
• M49: 19,685,733 km (0.09 R)
• M50: 20,687,291 km (0.09 R)
• M51: 21,067,270 km (0.106 R)
• M52: 21,833,959 km (0.118 R)
• M53: 22,306,987 km (0.094 R)
• M54: 22,566,390 km (0.089 R)
• M55: 22,783,457 km (0.11 R)
• M56: 23,088,337 km (0.066 R)
• M57: 23,438,546 km (0.07 R)
• M58: 23,658,305 km (0.094 R)
• M59: 23,922,943 km (0.077 R)
• M60: 24,767,423 km (0.103 R)
• M61: 24,946,492 km (0.075 R)
• M62: 25,080,981 km (0.049 R)
• M63: 25,395,884 km (0.065 R)
• M64: 25,893,447 km (0.119 R)
• M65: 26,348,523 km (0.032 R)
• M66: 26,577,109 km (0.086 R)
• M67: 27,082,151 km (0.052 R)
• M68: 27,636,860 km (0.026 R)
• M69: 28,475,955 km (0.077 R)
• M70: 28,851,445 km (0.115 R)
• M71: 29,087,062 km (0.114 R)
• M72: 29,228,731 km (0.11 R)
• M73: 30,754,031 km (0.117 R)
• M74: 31,671,964 km (0.106 R)
• M75: 32,012,448 km (0.057 R)
• M76: 32,158,755 km (0.048 R)
• M77: 32,500,885 km (0.108 R)
• M78: 32,598,872 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 14.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.53 AU - 5.21 AU

Year: 6939 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 33,878,964 km

• M1: 178,919 km (0.086 R)
• M2: 636,389 km (0.104 R)
• M3: 883,974 km (0.116 R)
• M4: 1,042,697 km (0.089 R)
• M5: 1,180,327 km (0.115 R)
• M6: 1,794,127 km (0.066 R)
• M7: 2,057,868 km (0.091 R)
• M8: 2,214,497 km (0.077 R)
• M9: 2,457,145 km (0.106 R)
• M10: 2,602,853 km (0.091 R)
• M11: 2,816,180 km (0.119 R)
• M12: 3,283,075 km (0.043 R)
• M13: 3,702,996 km (0.066 R)
• M14: 3,992,618 km (0.12 R)
• M15: 4,214,770 km (0.104 R)
• M16: 4,723,254 km (0.105 R)
• M17: 5,011,379 km (0.114 R)
• M18: 5,332,416 km (0.099 R)
• M19: 5,605,133 km (0.099 R)
• M20: 6,022,810 km (0.101 R)
• M21: 6,135,906 km (0.111 R)
• M22: 6,595,621 km (0.11 R)
• M23: 6,741,628 km (0.115 R)
• M24: 6,977,394 km (0.093 R)
• M25: 7,096,325 km (0.069 R)
• M26: 7,548,409 km (0.038 R)
• M27: 7,639,963 km (0.087 R)
• M28: 8,165,949 km (0.092 R)
• M29: 9,252,927 km (0.105 R)
• M30: 9,416,588 km (0.086 R)
• M31: 10,182,080 km (0.095 R)
• M32: 10,760,874 km (0.069 R)
• M33: 11,106,296 km (0.084 R)
• M34: 11,350,290 km (0.093 R)
• M35: 11,560,774 km (0.081 R)
• M36: 11,701,994 km (0.116 R)
• M37: 12,742,148 km (0.098 R)
• M38: 12,888,006 km (0.101 R)
• M39: 13,144,417 km (0.065 R)
• M40: 13,291,771 km (0.09 R)
• M41: 13,924,271 km (0.068 R)
• M42: 14,262,960 km (0.06 R)
• M43: 14,871,973 km (0.092 R)
• M44: 15,064,057 km (0.055 R)
• M45: 15,412,021 km (0.119 R)
• M46: 15,606,349 km (0.046 R)
• M47: 16,829,760 km (0.086 R)
• M48: 17,110,256 km (0.066 R)
• M49: 17,757,417 km (0.065 R)
• M50: 19,999,889 km (0.104 R)
• M51: 21,240,803 km (0.118 R)
• M52: 21,979,817 km (0.038 R)
• M53: 22,242,660 km (0.116 R)
• M54: 22,683,076 km (0.105 R)
• M55: 22,815,770 km (0.062 R)
• M56: 22,993,193 km (0.051 R)
• M57: 23,126,484 km (0.057 R)
• M58: 23,304,506 km (0.092 R)
• M59: 23,393,816 km (0.1 R)
• M60: 23,617,315 km (0.098 R)
• M61: 23,751,804 km (0.031 R)
• M62: 24,382,957 km (0.076 R)
• M63: 24,746,031 km (0.102 R)
• M64: 25,202,304 km (0.043 R)
• M65: 25,385,711 km (0.117 R)
• M66: 25,523,491 km (0.097 R)
• M67: 26,216,129 km (0.046 R)
• M68: 27,384,339 km (0.096 R)
• M69: 27,667,229 km (0.068 R)
• M70: 28,760,789 km (0.092 R)
• M71: 29,529,722 km (0.113 R)
• M72: 30,256,917 km (0.12 R)
• M73: 31,088,083 km (0.117 R)
• M74: 31,383,240 km (0.078 R)
• M75: 31,728,811 km (0.114 R)
• M76: 32,773,004 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 18,201 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit