🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.46 AU - 0.66 AU

Year: 275 Days

Day: 21.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 12,474,215 km

• M1: 150,346 km (0.055 R)
• M2: 225,294 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.56 AU - 0.6 AU

Year: 290 Days

Day: 15 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,474,215 km

• M1: 49,068 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 10.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.91 AU - 0.99 AU

Year: 607 Days

Day: 7.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 12,474,215 km

• M1: 140,622 km (0.114 R)
• M2: 227,987 km (0.083 R)
• M3: 330,462 km (0.117 R)
• M4: 411,544 km (0.11 R)
• M5: 501,302 km (0.039 R)
• M6: 639,830 km (0.082 R)
• M7: 712,385 km (0.103 R)
• M8: 792,270 km (0.117 R)
• M9: 862,731 km (0.112 R)
• M10: 940,073 km (0.05 R)
• M11: 1,037,910 km (0.11 R)
• M12: 1,368,073 km (0.111 R)
• M13: 1,595,760 km (0.111 R)
• M14: 1,698,085 km (0.108 R)
• M15: 1,819,260 km (0.118 R)
• M16: 1,892,413 km (0.079 R)
• M17: 1,983,668 km (0.116 R)
• M18: 2,070,734 km (0.086 R)
• M19: 2,236,638 km (0.087 R)
• M20: 2,315,177 km (0.074 R)
• M21: 2,444,130 km (0.08 R)
• M22: 2,556,478 km (0.093 R)
• M23: 2,626,191 km (0.079 R)
• M24: 2,812,739 km (0.102 R)
• M25: 2,904,443 km (0.084 R)
• M26: 3,090,842 km (0.109 R)
• M27: 3,212,764 km (0.066 R)
• M28: 3,336,332 km (0.111 R)
• M29: 3,419,658 km (0.077 R)
• M30: 3,496,551 km (0.111 R)
• M31: 3,609,647 km (0.091 R)
• M32: 3,759,843 km (0.118 R)
• M33: 3,868,451 km (0.06 R)
• M34: 3,941,455 km (0.086 R)
• M35: 4,073,999 km (0.117 R)
• M36: 4,200,559 km (0.062 R)
• M37: 4,268,027 km (0.072 R)
• M38: 4,564,979 km (0.06 R)
• M39: 4,766,637 km (0.088 R)
• M40: 4,971,436 km (0.094 R)
• M41: 5,042,944 km (0.06 R)
• M42: 5,187,007 km (0.091 R)
• M43: 5,422,175 km (0.091 R)
• M44: 5,536,916 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 8

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.95 AU - 1.25 AU

Year: 757 Days

Day: 14.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 12,474,215 km

• M1: 101,427 km (0.114 R)
• M2: 154,834 km (0.088 R)
• M3: 206,744 km (0.086 R)
• M4: 262,395 km (0.113 R)
• M5: 353,949 km (0.097 R)
• M6: 426,055 km (0.039 R)
• M7: 521,049 km (0.089 R)
• M8: 623,823 km (0.066 R)
• M9: 768,484 km (0.105 R)
• M10: 892,501 km (0.11 R)
• M11: 1,091,167 km (0.089 R)
• M12: 1,178,233 km (0.098 R)
• M13: 1,273,676 km (0.105 R)
• M14: 1,328,579 km (0.048 R)
• M15: 1,415,645 km (0.03 R)
• M16: 1,504,655 km (0.109 R)
• M17: 1,569,431 km (0.095 R)
• M18: 1,655,001 km (0.101 R)
• M19: 1,748,949 km (0.046 R)
• M20: 1,810,433 km (0.112 R)
• M21: 1,893,460 km (0.109 R)
• M22: 1,984,715 km (0.102 R)
• M23: 2,056,073 km (0.086 R)
• M24: 2,186,672 km (0.069 R)
• M25: 2,320,113 km (0.11 R)
• M26: 2,456,098 km (0.067 R)
• M27: 2,587,146 km (0.114 R)
• M28: 2,673,164 km (0.105 R)
• M29: 2,799,874 km (0.074 R)
• M30: 3,026,664 km (0.105 R)
• M31: 3,142,303 km (0.113 R)
• M32: 3,225,779 km (0.083 R)
• M33: 3,276,343 km (0.104 R)
• M34: 3,335,584 km (0.118 R)
• M35: 3,795,597 km (0.05 R)
• M36: 4,001,444 km (0.047 R)
• M37: 4,321,882 km (0.048 R)
• M38: 4,489,881 km (0.093 R)
• M39: 4,546,279 km (0.096 R)
• M40: 4,602,977 km (0.102 R)
• M41: 4,717,270 km (0.107 R)
• M42: 4,977,570 km (0.111 R)
• M43: 5,193,140 km (0.049 R)
• M44: 5,252,531 km (0.093 R)
• M45: 5,381,933 km (0.099 R)
• M46: 5,461,968 km (0.058 R)
• M47: 5,643,729 km (0.099 R)
• M48: 5,725,260 km (0.088 R)
• M49: 5,930,508 km (0.084 R)
• M50: 6,201,131 km (0.12 R)
• M51: 6,465,022 km (0.098 R)
• M52: 6,571,685 km (0.072 R)
• M53: 6,754,194 km (0.113 R)
• M54: 6,873,274 km (0.097 R)
• M55: 6,960,340 km (0.112 R)
• M56: 7,124,599 km (0.069 R)
• M57: 7,223,632 km (0.075 R)
• M58: 7,312,194 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 14.5

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.11 AU - 1.11 AU

Year: 767 Days

Day: 8.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 12,474,215 km

• M1: 185,651 km (0.099 R)
• M2: 301,889 km (0.114 R)
• M3: 436,227 km (0.081 R)
• M4: 600,336 km (0.12 R)
• M5: 692,040 km (0.078 R)
• M6: 784,042 km (0.094 R)
• M7: 898,485 km (0.083 R)
• M8: 1,019,360 km (0.052 R)
• M9: 1,159,234 km (0.108 R)
• M10: 1,279,062 km (0.073 R)
• M11: 1,410,409 km (0.058 R)
• M12: 1,524,851 km (0.116 R)
• M13: 1,620,295 km (0.067 R)
• M14: 1,717,832 km (0.099 R)
• M15: 1,856,360 km (0.065 R)
• M16: 2,087,788 km (0.101 R)
• M17: 2,440,240 km (0.107 R)
• M18: 2,641,450 km (0.043 R)
• M19: 2,757,687 km (0.119 R)
• M20: 2,949,322 km (0.102 R)
• M21: 3,117,021 km (0.118 R)
• M22: 3,249,864 km (0.116 R)
• M23: 3,345,906 km (0.045 R)
• M24: 3,600,073 km (0.082 R)
• M25: 3,729,625 km (0.102 R)
• M26: 3,932,030 km (0.093 R)
• M27: 4,086,266 km (0.079 R)
• M28: 4,221,652 km (0.066 R)
• M29: 4,379,627 km (0.055 R)
• M30: 4,647,557 km (0.11 R)
• M31: 4,745,244 km (0.057 R)
• M32: 4,876,741 km (0.071 R)
• M33: 5,087,524 km (0.109 R)
• M34: 5,188,353 km (0.098 R)
• M35: 5,449,252 km (0.114 R)
• M36: 5,772,683 km (0.039 R)
• M37: 5,913,305 km (0.087 R)
• M38: 6,257,679 km (0.092 R)
• M39: 6,462,778 km (0.097 R)
• M40: 6,768,406 km (0.111 R)
• M41: 6,916,807 km (0.1 R)
• M42: 7,179,202 km (0.058 R)
• M43: 7,280,031 km (0.109 R)
• M44: 7,406,740 km (0.082 R)
• M45: 7,598,225 km (0.11 R)
• M46: 7,739,595 km (0.106 R)
• M47: 7,946,938 km (0.094 R)
• M48: 8,103,717 km (0.088 R)
• M49: 8,195,570 km (0.104 R)
• M50: 8,406,952 km (0.037 R)
• M51: 9,024,791 km (0.115 R)
• M52: 9,353,008 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269

Radius: 10.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.96 AU - 1.38 AU

Year: 830 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 12,474,215 km

• M1: 184,005 km (0.11 R)
• M2: 323,580 km (0.086 R)
• M3: 439,967 km (0.087 R)
• M4: 521,648 km (0.108 R)
• M5: 638,783 km (0.105 R)
• M6: 729,589 km (0.116 R)
• M7: 801,994 km (0.116 R)
• M8: 891,454 km (0.088 R)
• M9: 989,590 km (0.038 R)
• M10: 1,076,057 km (0.076 R)
• M11: 1,229,694 km (0.086 R)
• M12: 1,306,588 km (0.108 R)
• M13: 1,459,626 km (0.079 R)
• M14: 1,523,654 km (0.081 R)
• M15: 1,612,665 km (0.11 R)
• M16: 1,909,617 km (0.1 R)
• M17: 1,993,092 km (0.102 R)
• M18: 2,084,497 km (0.113 R)
• M19: 2,230,803 km (0.091 R)
• M20: 2,422,139 km (0.097 R)
• M21: 2,540,920 km (0.049 R)
• M22: 2,647,434 km (0.103 R)
• M23: 2,762,773 km (0.105 R)
• M24: 2,864,949 km (0.102 R)
• M25: 2,946,180 km (0.054 R)
• M26: 3,065,859 km (0.034 R)
• M27: 3,156,665 km (0.112 R)
• M28: 3,271,406 km (0.113 R)
• M29: 3,481,442 km (0.027 R)
• M30: 3,552,501 km (0.05 R)
• M31: 3,656,022 km (0.064 R)
• M32: 3,752,363 km (0.101 R)
• M33: 3,997,255 km (0.119 R)
• M34: 4,297,947 km (0.078 R)
• M35: 4,416,877 km (0.113 R)
• M36: 4,485,393 km (0.089 R)
• M37: 4,588,765 km (0.091 R)
• M38: 4,754,220 km (0.112 R)
• M39: 5,055,062 km (0.072 R)
• M40: 5,334,810 km (0.101 R)
• M41: 5,435,190 km (0.054 R)
• M42: 5,703,269 km (0.067 R)
• M43: 5,777,919 km (0.095 R)
• M44: 5,871,716 km (0.108 R)
• M45: 6,242,570 km (0.078 R)
• M46: 6,435,850 km (0.119 R)
• M47: 6,601,604 km (0.088 R)

Asteroid Belt

Center: 1.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 9.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.37 AU - 2.07 AU

Year: 1480 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 12,474,215 km

• M1: 124,017 km (0.115 R)
• M2: 294,259 km (0.081 R)
• M3: 396,285 km (0.09 R)
• M4: 462,557 km (0.1 R)
• M5: 705,354 km (0.094 R)
• M6: 801,545 km (0.111 R)
• M7: 883,226 km (0.12 R)
• M8: 1,028,336 km (0.099 R)
• M9: 1,097,001 km (0.117 R)
• M10: 1,357,601 km (0.106 R)
• M11: 1,534,575 km (0.088 R)
• M12: 1,776,924 km (0.054 R)
• M13: 1,852,022 km (0.077 R)
• M14: 1,988,305 km (0.068 R)
• M15: 2,343,750 km (0.046 R)
• M16: 2,473,002 km (0.119 R)
• M17: 2,777,284 km (0.078 R)
• M18: 2,924,040 km (0.118 R)
• M19: 3,144,098 km (0.086 R)
• M20: 3,297,287 km (0.101 R)
• M21: 3,400,808 km (0.109 R)
• M22: 3,558,036 km (0.1 R)
• M23: 3,643,007 km (0.071 R)
• M24: 4,110,949 km (0.111 R)
• M25: 4,357,786 km (0.12 R)
• M26: 4,528,926 km (0.109 R)
• M27: 4,644,266 km (0.109 R)
• M28: 4,960,665 km (0.089 R)
• M29: 5,079,596 km (0.119 R)
• M30: 5,223,509 km (0.058 R)
• M31: 5,332,416 km (0.108 R)
• M32: 5,478,872 km (0.114 R)
• M33: 5,651,359 km (0.105 R)
• M34: 6,052,281 km (0.092 R)
• M35: 6,205,020 km (0.078 R)
• M36: 6,320,510 km (0.044 R)
• M37: 6,410,867 km (0.102 R)
• M38: 6,710,512 km (0.11 R)
• M39: 6,895,115 km (0.071 R)
• M40: 7,215,554 km (0.055 R)
• M41: 7,296,487 km (0.055 R)
• M42: 7,404,795 km (0.1 R)
• M43: 7,582,069 km (0.119 R)
• M44: 7,719,250 km (0.119 R)
• M45: 7,843,566 km (0.053 R)
• M46: 8,375,536 km (0.105 R)
• M47: 8,919,175 km (0.115 R)
• M48: 9,312,318 km (0.106 R)
• M49: 9,980,272 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.5

Radius: 10.9

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.49 AU - 2.31 AU

Year: 1718 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 12,474,215 km

• M1: 154,385 km (0.1 R)
• M2: 228,885 km (0.104 R)
• M3: 317,895 km (0.112 R)
• M4: 437,574 km (0.088 R)
• M5: 532,718 km (0.084 R)
• M6: 620,682 km (0.055 R)
• M7: 738,714 km (0.099 R)
• M8: 873,801 km (0.074 R)
• M9: 1,073,664 km (0.075 R)
• M10: 1,288,935 km (0.11 R)
• M11: 1,616,405 km (0.051 R)
• M12: 1,739,075 km (0.12 R)
• M13: 1,807,292 km (0.075 R)
• M14: 2,041,413 km (0.057 R)
• M15: 2,186,672 km (0.084 R)
• M16: 2,398,652 km (0.062 R)
• M17: 2,565,304 km (0.089 R)
• M18: 2,682,888 km (0.058 R)
• M19: 2,869,586 km (0.073 R)
• M20: 2,964,581 km (0.096 R)
• M21: 3,143,799 km (0.06 R)
• M22: 3,614,883 km (0.097 R)
• M23: 3,821,478 km (0.104 R)
• M24: 4,123,516 km (0.082 R)
• M25: 4,847,719 km (0.101 R)
• M26: 5,059,550 km (0.113 R)
• M27: 5,174,890 km (0.058 R)
• M28: 5,475,432 km (0.06 R)
• M29: 6,076,366 km (0.088 R)
• M30: 6,146,378 km (0.076 R)
• M31: 6,500,626 km (0.103 R)
• M32: 6,608,187 km (0.12 R)
• M33: 6,716,346 km (0.097 R)
• M34: 6,843,355 km (0.098 R)
• M35: 7,062,815 km (0.096 R)
• M36: 7,247,568 km (0.028 R)
• M37: 7,716,408 km (0.116 R)
• M38: 8,040,886 km (0.092 R)
• M39: 8,137,227 km (0.087 R)
• M40: 8,585,123 km (0.053 R)
• M41: 9,001,005 km (0.06 R)
• M42: 9,261,903 km (0.077 R)
• M43: 9,545,691 km (0.053 R)
• M44: 9,955,888 km (0.087 R)
• M45: 10,080,054 km (0.097 R)
• M46: 10,246,557 km (0.119 R)
• M47: 10,434,900 km (0.059 R)
• M48: 10,540,068 km (0.084 R)
• M49: 10,985,420 km (0.108 R)
• M50: 11,092,383 km (0.119 R)
• M51: 11,178,252 km (0.096 R)
• M52: 11,264,271 km (0.088 R)
• M53: 11,567,207 km (0.113 R)
• M54: 12,159,016 km (0.073 R)
• M55: 12,336,289 km (0.073 R)
• M56: 12,828,017 km (0.099 R)
• M57: 12,940,814 km (0.114 R)
• M58: 13,076,499 km (0.113 R)
• M59: 14,155,399 km (0.111 R)
• M60: 14,458,933 km (0.105 R)
• M61: 14,741,075 km (0.109 R)
• M62: 15,358,465 km (0.08 R)
• M63: 15,598,121 km (0.047 R)
• M64: 15,670,377 km (0.085 R)
• M65: 15,742,633 km (0.12 R)
• M66: 16,081,322 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.8

Radius: 12

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.87 AU - 5.89 AU

Year: 9354 Days

Day: 10.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 12,474,215 km

• M1: 259,104 km (0.12 R)
• M2: 417,677 km (0.118 R)
• M3: 604,974 km (0.118 R)
• M4: 801,845 km (0.12 R)
• M5: 1,098,348 km (0.06 R)
• M6: 1,218,774 km (0.117 R)
• M7: 1,802,056 km (0.084 R)
• M8: 2,034,381 km (0.054 R)
• M9: 2,144,186 km (0.107 R)
• M10: 3,162,649 km (0.03 R)
• M11: 3,539,934 km (0.079 R)
• M12: 3,660,959 km (0.092 R)
• M13: 5,135,396 km (0.119 R)
• M14: 5,369,666 km (0.086 R)
• M15: 5,593,315 km (0.101 R)
• M16: 5,677,987 km (0.077 R)
• M17: 6,802,814 km (0.111 R)
• M18: 7,167,384 km (0.088 R)
• M19: 7,616,327 km (0.102 R)
• M20: 7,931,380 km (0.08 R)
• M21: 8,266,928 km (0.104 R)
• M22: 8,558,195 km (0.058 R)
• M23: 8,770,624 km (0.114 R)
• M24: 9,267,588 km (0.101 R)
• M25: 9,368,118 km (0.075 R)
• M26: 9,893,206 km (0.081 R)
• M27: 10,848,389 km (0.081 R)
• M28: 11,832,892 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 14,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit