🌌 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: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.55 AU - 0.63 AU

Year: 288 Days

Day: 43.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,090,226 km

• M1: 244,293 km (0.07 R)
• M2: 412,142 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.62 AU - 0.66 AU

Year: 326 Days

Day: 25.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,090,226 km

• M1: 78,988 km (0.049 R)
• M2: 144,661 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 8.6

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.68 AU - 0.92 AU

Year: 455 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 56,090,226 km

• M1: 108,608 km (0.115 R)
• M2: 162,912 km (0.087 R)
• M3: 235,766 km (0.089 R)
• M4: 320,439 km (0.056 R)
• M5: 390,899 km (0.058 R)
• M6: 453,431 km (0.111 R)
• M7: 570,267 km (0.082 R)
• M8: 659,727 km (0.095 R)
• M9: 723,754 km (0.119 R)
• M10: 987,196 km (0.116 R)
• M11: 1,076,656 km (0.11 R)
• M12: 1,163,871 km (0.099 R)
• M13: 1,248,095 km (0.11 R)
• M14: 1,312,721 km (0.062 R)
• M15: 1,422,825 km (0.086 R)
• M16: 1,559,408 km (0.07 R)
• M17: 1,640,939 km (0.074 R)
• M18: 1,712,148 km (0.068 R)
• M19: 1,900,940 km (0.096 R)
• M20: 2,007,304 km (0.042 R)
• M21: 2,199,986 km (0.03 R)
• M22: 2,305,303 km (0.114 R)
• M23: 2,385,488 km (0.051 R)
• M24: 2,446,224 km (0.094 R)
• M25: 2,500,528 km (0.088 R)
• M26: 2,555,431 km (0.083 R)
• M27: 2,673,164 km (0.08 R)
• M28: 2,950,369 km (0.084 R)
• M29: 3,088,897 km (0.111 R)
• M30: 3,342,016 km (0.066 R)
• M31: 3,455,860 km (0.057 R)
• M32: 3,586,609 km (0.085 R)
• M33: 3,640,763 km (0.044 R)
• M34: 3,726,633 km (0.047 R)
• M35: 3,781,685 km (0.079 R)
• M36: 3,948,187 km (0.093 R)
• M37: 4,028,371 km (0.114 R)
• M38: 4,125,311 km (0.091 R)
• M39: 4,296,900 km (0.109 R)
• M40: 4,596,544 km (0.101 R)
• M41: 4,911,597 km (0.088 R)
• M42: 5,172,197 km (0.076 R)
• M43: 5,295,465 km (0.059 R)
• M44: 5,357,399 km (0.056 R)
• M45: 5,589,575 km (0.093 R)
• M46: 5,670,806 km (0.075 R)
• M47: 5,843,442 km (0.042 R)
• M48: 5,962,672 km (0.078 R)
• M49: 6,017,874 km (0.027 R)
• M50: 6,129,025 km (0.069 R)
• M51: 6,203,375 km (0.117 R)
• M52: 6,306,298 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.7

Radius: 13.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.02 AU - 3.92 AU

Year: 4110 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 56,090,226 km

• M1: 284,984 km (0.106 R)
• M2: 388,655 km (0.082 R)
• M3: 504,444 km (0.116 R)
• M4: 609,911 km (0.108 R)
• M5: 742,903 km (0.102 R)
• M6: 937,679 km (0.059 R)
• M7: 1,031,328 km (0.1 R)
• M8: 1,228,947 km (0.082 R)
• M9: 1,321,099 km (0.114 R)
• M10: 1,427,762 km (0.042 R)
• M11: 1,525,150 km (0.083 R)
• M12: 1,637,648 km (0.082 R)
• M13: 1,727,107 km (0.043 R)
• M14: 2,299,768 km (0.074 R)
• M15: 2,459,389 km (0.07 R)
• M16: 2,713,406 km (0.036 R)
• M17: 2,960,542 km (0.108 R)
• M18: 3,231,314 km (0.1 R)
• M19: 3,460,498 km (0.047 R)
• M20: 3,763,134 km (0.079 R)
• M21: 3,917,819 km (0.111 R)
• M22: 4,322,630 km (0.079 R)
• M23: 4,430,491 km (0.044 R)
• M24: 4,594,151 km (0.099 R)
• M25: 4,704,255 km (0.094 R)
• M26: 4,833,956 km (0.106 R)
• M27: 5,306,835 km (0.093 R)
• M28: 5,656,595 km (0.069 R)
• M29: 5,973,892 km (0.116 R)
• M30: 6,074,272 km (0.096 R)
• M31: 6,399,199 km (0.081 R)
• M32: 6,729,959 km (0.115 R)
• M33: 6,855,472 km (0.084 R)
• M34: 6,981,733 km (0.047 R)
• M35: 7,130,134 km (0.097 R)
• M36: 7,733,911 km (0.1 R)
• M37: 7,931,530 km (0.11 R)
• M38: 8,197,664 km (0.106 R)
• M39: 8,647,804 km (0.077 R)
• M40: 9,082,984 km (0.078 R)
• M41: 9,737,325 km (0.108 R)
• M42: 10,310,435 km (0.077 R)
• M43: 10,455,395 km (0.114 R)
• M44: 10,894,465 km (0.025 R)
• M45: 11,314,685 km (0.078 R)
• M46: 11,539,381 km (0.052 R)
• M47: 12,018,543 km (0.053 R)
• M48: 12,427,095 km (0.064 R)
• M49: 12,530,018 km (0.111 R)
• M50: 12,788,374 km (0.106 R)
• M51: 12,892,195 km (0.11 R)
• M52: 13,126,914 km (0.086 R)
• M53: 13,231,782 km (0.099 R)
• M54: 13,389,458 km (0.107 R)
• M55: 13,574,212 km (0.098 R)
• M56: 13,786,491 km (0.113 R)
• M57: 13,919,633 km (0.076 R)
• M58: 14,053,224 km (0.082 R)
• M59: 15,745,625 km (0.089 R)
• M60: 16,899,772 km (0.105 R)
• M61: 16,985,342 km (0.107 R)
• M62: 17,386,414 km (0.094 R)
• M63: 18,373,311 km (0.115 R)
• M64: 18,814,625 km (0.069 R)
• M65: 19,229,609 km (0.109 R)
• M66: 19,857,771 km (0.092 R)
• M67: 20,008,416 km (0.114 R)
• M68: 20,219,798 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 10.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.15 AU - 5.39 AU

Year: 7692 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 56,090,226 km

• M1: 133,292 km (0.11 R)
• M2: 284,984 km (0.112 R)
• M3: 438,172 km (0.094 R)
• M4: 981,661 km (0.096 R)
• M5: 1,214,436 km (0.112 R)
• M6: 1,353,262 km (0.055 R)
• M7: 1,465,012 km (0.086 R)
• M8: 1,613,563 km (0.071 R)
• M9: 1,767,050 km (0.117 R)
• M10: 1,997,580 km (0.069 R)
• M11: 2,107,385 km (0.113 R)
• M12: 2,313,830 km (0.056 R)
• M13: 2,527,157 km (0.051 R)
• M14: 2,848,792 km (0.076 R)
• M15: 3,312,695 km (0.098 R)
• M16: 3,597,978 km (0.096 R)
• M17: 3,983,193 km (0.111 R)
• M18: 4,098,982 km (0.097 R)
• M19: 5,090,816 km (0.085 R)
• M20: 5,369,217 km (0.038 R)
• M21: 5,471,692 km (0.106 R)
• M22: 5,756,825 km (0.102 R)
• M23: 5,967,309 km (0.059 R)
• M24: 6,396,057 km (0.105 R)
• M25: 6,504,815 km (0.079 R)
• M26: 6,890,179 km (0.071 R)
• M27: 7,769,964 km (0.092 R)
• M28: 7,944,395 km (0.048 R)
• M29: 8,237,906 km (0.085 R)
• M30: 9,447,554 km (0.101 R)
• M31: 10,168,167 km (0.113 R)
• M32: 10,841,358 km (0.076 R)
• M33: 10,971,358 km (0.108 R)
• M34: 11,861,615 km (0.064 R)
• M35: 12,129,844 km (0.034 R)
• M36: 12,604,069 km (0.066 R)
• M37: 12,672,286 km (0.103 R)
• M38: 12,980,906 km (0.036 R)
• M39: 13,257,363 km (0.044 R)
• M40: 13,466,052 km (0.088 R)
• M41: 13,816,111 km (0.054 R)
• M42: 15,029,051 km (0.069 R)
• M43: 15,210,214 km (0.068 R)
• M44: 15,611,435 km (0.074 R)
• M45: 16,053,198 km (0.042 R)
• M46: 16,238,550 km (0.03 R)
• M47: 16,350,000 km (0.095 R)
• M48: 17,137,633 km (0.068 R)
• M49: 17,517,163 km (0.095 R)
• M50: 17,822,642 km (0.082 R)
• M51: 18,323,046 km (0.112 R)
• M52: 18,400,388 km (0.094 R)
• M53: 18,672,058 km (0.11 R)
• M54: 18,749,999 km (0.119 R)
• M55: 20,450,179 km (0.1 R)
• M56: 21,135,935 km (0.105 R)
• M57: 21,624,522 km (0.115 R)
• M58: 21,911,301 km (0.07 R)
• M59: 22,034,570 km (0.112 R)
• M60: 22,904,032 km (0.105 R)
• M61: 23,070,834 km (0.047 R)
• M62: 25,147,701 km (0.09 R)
• M63: 25,535,609 km (0.112 R)
• M64: 25,665,310 km (0.037 R)
• M65: 26,361,090 km (0.086 R)
• M66: 26,930,908 km (0.096 R)
• M67: 27,063,003 km (0.083 R)
• M68: 27,283,660 km (0.077 R)
• M69: 27,460,484 km (0.057 R)
• M70: 27,593,477 km (0.084 R)
• M71: 28,038,231 km (0.1 R)
• M72: 28,350,891 km (0.071 R)
• M73: 28,889,593 km (0.1 R)
• M74: 29,160,365 km (0.106 R)
• M75: 29,840,586 km (0.094 R)
• M76: 29,931,692 km (0.098 R)
• M77: 30,342,787 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63

Radius: 4.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.6 AU - 9.24 AU

Year: 14172 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 56,090,226 km

• M1: 81,680 km (0.064 R)
• M2: 260,300 km (0.039 R)
• M3: 793,916 km (0.062 R)
• M4: 998,566 km (0.113 R)
• M5: 1,262,307 km (0.106 R)
• M6: 1,424,621 km (0.085 R)
• M7: 1,562,400 km (0.117 R)
• M8: 1,688,661 km (0.104 R)
• M9: 1,818,213 km (0.098 R)
• M10: 1,984,565 km (0.088 R)
• M11: 2,104,094 km (0.083 R)
• M12: 2,332,231 km (0.093 R)
• M13: 2,888,436 km (0.088 R)
• M14: 3,181,348 km (0.098 R)
• M15: 3,402,304 km (0.08 R)
• M16: 4,159,419 km (0.076 R)
• M17: 4,224,793 km (0.109 R)
• M18: 4,400,721 km (0.106 R)
• M19: 4,920,124 km (0.082 R)
• M20: 5,868,874 km (0.085 R)
• M21: 7,105,151 km (0.049 R)
• M22: 7,183,391 km (0.061 R)
• M23: 7,578,927 km (0.085 R)
• M24: 7,792,852 km (0.118 R)
• M25: 7,846,558 km (0.078 R)
• M26: 7,981,645 km (0.092 R)
• M27: 9,602,538 km (0.119 R)
• M28: 9,718,027 km (0.085 R)
• M29: 10,155,003 km (0.065 R)
• M30: 10,331,678 km (0.084 R)
• M31: 11,321,118 km (0.081 R)
• M32: 11,688,381 km (0.08 R)
• M33: 11,811,649 km (0.114 R)
• M34: 12,059,533 km (0.117 R)
• M35: 12,781,642 km (0.059 R)
• M36: 12,908,651 km (0.072 R)
• M37: 12,972,230 km (0.113 R)
• M38: 13,228,042 km (0.115 R)
• M39: 14,234,537 km (0.099 R)
• M40: 14,399,244 km (0.06 R)
• M41: 14,432,155 km (0.085 R)
• M42: 14,531,339 km (0.078 R)
• M43: 15,400,203 km (0.11 R)
• M44: 16,943,455 km (0.087 R)
• M45: 17,786,439 km (0.098 R)
• M46: 18,141,734 km (0.114 R)
• M47: 18,714,993 km (0.113 R)
• M48: 19,512,948 km (0.092 R)
• M49: 19,989,716 km (0.117 R)
• M50: 20,992,022 km (0.111 R)
• M51: 21,367,363 km (0.053 R)
• M52: 22,239,070 km (0.056 R)
• M53: 22,430,106 km (0.079 R)
• M54: 22,775,378 km (0.094 R)
• M55: 23,006,507 km (0.064 R)
• M56: 26,161,975 km (0.084 R)
• M57: 26,283,000 km (0.103 R)
• M58: 26,687,363 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.9

Radius: 5.4

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.64 AU - 10.6 AU

Year: 16091 Days

Day: 23.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 56,090,226 km

• M1: 86,916 km (0.048 R)
• M2: 170,093 km (0.117 R)
• M3: 288,574 km (0.108 R)
• M4: 482,154 km (0.114 R)
• M5: 638,035 km (0.066 R)
• M6: 789,727 km (0.072 R)
• M7: 849,716 km (0.094 R)
• M8: 1,656,048 km (0.11 R)
• M9: 1,838,707 km (0.093 R)
• M10: 2,753,947 km (0.091 R)
• M11: 3,224,582 km (0.101 R)
• M12: 3,289,358 km (0.072 R)
• M13: 3,552,201 km (0.067 R)
• M14: 3,959,407 km (0.119 R)
• M15: 4,063,527 km (0.059 R)
• M16: 4,928,502 km (0.05 R)
• M17: 5,003,002 km (0.036 R)
• M18: 5,191,196 km (0.083 R)
• M19: 5,730,346 km (0.119 R)
• M20: 5,808,736 km (0.114 R)
• M21: 6,086,240 km (0.115 R)
• M22: 6,530,994 km (0.076 R)
• M23: 6,695,253 km (0.1 R)
• M24: 7,366,199 km (0.116 R)
• M25: 7,666,442 km (0.062 R)
• M26: 8,014,407 km (0.088 R)
• M27: 8,190,483 km (0.111 R)
• M28: 8,997,863 km (0.064 R)
• M29: 10,881,151 km (0.108 R)
• M30: 11,124,846 km (0.089 R)
• M31: 12,421,111 km (0.102 R)
• M32: 13,398,135 km (0.111 R)
• M33: 14,186,815 km (0.083 R)
• M34: 14,774,735 km (0.092 R)
• M35: 15,370,583 km (0.091 R)
• M36: 15,644,048 km (0.096 R)
• M37: 15,698,950 km (0.051 R)
• M38: 16,306,916 km (0.049 R)
• M39: 16,418,217 km (0.115 R)
• M40: 16,753,765 km (0.089 R)
• M41: 16,810,014 km (0.119 R)
• M42: 17,148,254 km (0.031 R)
• M43: 17,204,802 km (0.12 R)
• M44: 19,165,582 km (0.068 R)
• M45: 19,518,782 km (0.101 R)
• M46: 19,874,376 km (0.089 R)
• M47: 20,351,594 km (0.115 R)
• M48: 21,928,654 km (0.11 R)
• M49: 22,421,729 km (0.09 R)
• M50: 22,980,776 km (0.114 R)
• M51: 23,293,436 km (0.064 R)
• M52: 23,481,630 km (0.118 R)
• M53: 23,986,074 km (0.094 R)
• M54: 27,218,734 km (0.05 R)
• M55: 28,014,595 km (0.069 R)
• M56: 28,818,235 km (0.086 R)
• M57: 28,885,554 km (0.113 R)
• M58: 29,425,901 km (0.078 R)
• M59: 32,247,018 km (0.062 R)
• M60: 32,456,754 km (0.088 R)
• M61: 33,159,415 km (0.061 R)
• M62: 33,867,013 km (0.068 R)
• M63: 34,436,682 km (0.078 R)
• M64: 34,794,221 km (0.117 R)
• M65: 35,585,444 km (0.062 R)
• M66: 36,892,780 km (0.086 R)
• M67: 38,068,021 km (0.027 R)
• M68: 38,141,772 km (0.11 R)
• M69: 39,031,880 km (0.061 R)
• M70: 39,106,379 km (0.095 R)
• M71: 39,703,873 km (0.074 R)
• M72: 39,778,822 km (0.107 R)
• M73: 40,832,440 km (0.087 R)
• M74: 41,135,076 km (0.089 R)
• M75: 41,971,328 km (0.119 R)
• M76: 43,583,395 km (0.108 R)
• M77: 43,738,079 km (0.082 R)
• M78: 45,921,310 km (0.093 R)
• M79: 46,472,728 km (0.113 R)
• M80: 47,980,226 km (0.111 R)
• M81: 48,539,722 km (0.12 R)
• M82: 49,020,978 km (0.093 R)
• M83: 49,262,130 km (0.083 R)
• M84: 49,423,247 km (0.092 R)
• M85: 49,584,364 km (0.12 R)
• M86: 49,745,780 km (0.114 R)
• M87: 49,826,563 km (0.12 R)
• M88: 50,149,993 km (0.09 R)
• M89: 51,206,005 km (0.098 R)
• M90: 51,532,427 km (0.086 R)
• M91: 53,422,746 km (0.056 R)
• M92: 54,584,373 km (0.115 R)
• M93: 54,834,501 km (0.103 R)
• M94: 55,335,654 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 13,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit