🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 8.7

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,374,417 km

• M1: 108,159 km (0.029 R)
• M2: 487,539 km (0.093 R)
• M3: 881,431 km (0.065 R)
• M4: 1,221,467 km (0.075 R)
• M5: 1,721,871 km (0.099 R)
• M6: 2,020,319 km (0.071 R)
• M7: 2,381,299 km (0.092 R)
• M8: 2,911,623 km (0.093 R)
• M9: 3,245,526 km (0.11 R)
• M10: 4,125,311 km (0.118 R)
• M11: 4,709,939 km (0.091 R)
• M12: 5,219,619 km (0.075 R)
• M13: 5,629,966 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.7

Radius: 14.5

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.96 AU - 1.04 AU

Year: 667 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,374,417 km

• M1: 180,864 km (0.055 R)
• M2: 728,542 km (0.084 R)
• M3: 1,190,799 km (0.12 R)
• M4: 1,668,615 km (0.049 R)
• M5: 2,456,995 km (0.115 R)
• M6: 2,933,016 km (0.118 R)
• M7: 3,397,368 km (0.112 R)
• M8: 3,884,309 km (0.079 R)
• M9: 4,403,413 km (0.067 R)
• M10: 5,531,082 km (0.105 R)
• M11: 6,530,845 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 11

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.79 AU - 1.21 AU

Year: 667 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,374,417 km

• M1: 140,323 km (0.095 R)
• M2: 626,366 km (0.096 R)
• M3: 1,067,830 km (0.087 R)
• M4: 1,494,333 km (0.091 R)
• M5: 1,850,226 km (0.111 R)
• M6: 2,216,292 km (0.106 R)
• M7: 4,186,048 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 10.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.26 AU - 3.14 AU

Year: 2959 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,374,417 km

• M1: 134,339 km (0.079 R)
• M2: 470,784 km (0.116 R)
• M3: 875,596 km (0.105 R)
• M4: 1,211,593 km (0.099 R)
• M5: 1,625,381 km (0.091 R)
• M6: 1,978,133 km (0.04 R)
• M7: 2,514,441 km (0.085 R)
• M8: 3,342,166 km (0.098 R)
• M9: 4,170,190 km (0.057 R)
• M10: 4,610,158 km (0.098 R)
• M11: 5,178,929 km (0.119 R)
• M12: 6,064,099 km (0.067 R)
• M13: 6,836,623 km (0.113 R)
• M14: 7,324,761 km (0.047 R)
• M15: 9,328,175 km (0.104 R)
• M16: 12,371,445 km (0.067 R)
• M17: 12,730,928 km (0.111 R)
• M18: 14,239,025 km (0.114 R)
• M19: 15,653,622 km (0.071 R)
• M20: 16,021,483 km (0.045 R)
• M21: 17,326,575 km (0.092 R)
• M22: 18,409,065 km (0.114 R)
• M23: 20,520,490 km (0.076 R)
• M24: 21,024,784 km (0.072 R)

Asteroid Belt

Center: 3.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 10.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.88 AU - 4.58 AU

Year: 4804 Days

Day: 12.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,374,417 km

• M1: 133,142 km (0.11 R)
• M2: 479,910 km (0.085 R)
• M3: 840,740 km (0.091 R)
• M4: 1,270,086 km (0.092 R)
• M5: 1,685,818 km (0.068 R)
• M6: 2,427,674 km (0.102 R)
• M7: 3,130,485 km (0.098 R)
• M8: 4,138,027 km (0.037 R)
• M9: 5,140,632 km (0.11 R)
• M10: 5,782,257 km (0.07 R)
• M11: 6,268,450 km (0.041 R)
• M12: 6,906,335 km (0.105 R)
• M13: 7,823,819 km (0.104 R)
• M14: 8,347,561 km (0.08 R)
• M15: 9,819,604 km (0.086 R)
• M16: 10,554,429 km (0.111 R)
• M17: 10,892,520 km (0.118 R)
• M18: 12,179,511 km (0.109 R)
• M19: 16,761,394 km (0.081 R)
• M20: 17,164,261 km (0.08 R)
• M21: 18,779,170 km (0.087 R)
• M22: 21,287,328 km (0.112 R)
• M23: 23,007,853 km (0.049 R)
• M24: 24,670,783 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 14.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.95 AU - 4.43 AU

Year: 5719 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,374,417 km

• M1: 181,612 km (0.111 R)
• M2: 709,393 km (0.063 R)
• M3: 1,261,110 km (0.08 R)
• M4: 3,005,870 km (0.032 R)
• M5: 3,536,494 km (0.076 R)
• M6: 4,219,857 km (0.083 R)
• M7: 6,594,274 km (0.119 R)
• M8: 7,771,460 km (0.105 R)
• M9: 9,007,886 km (0.057 R)
• M10: 9,474,332 km (0.071 R)
• M11: 10,754,890 km (0.104 R)
• M12: 11,869,245 km (0.052 R)
• M13: 12,766,832 km (0.075 R)
• M14: 14,697,243 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 10.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.62 AU - 4.98 AU

Year: 5946 Days

Day: 13.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,374,417 km

• M1: 137,780 km (0.104 R)
• M2: 827,875 km (0.052 R)
• M3: 1,481,617 km (0.104 R)
• M4: 2,524,165 km (0.032 R)
• M5: 3,536,643 km (0.076 R)
• M6: 5,828,782 km (0.12 R)
• M7: 7,923,750 km (0.113 R)
• M8: 8,477,113 km (0.06 R)
• M9: 9,055,907 km (0.102 R)
• M10: 11,096,871 km (0.08 R)
• M11: 11,891,236 km (0.11 R)
• M12: 12,564,426 km (0.034 R)
• M13: 13,045,084 km (0.104 R)
• M14: 17,018,852 km (0.104 R)
• M15: 18,965,120 km (0.098 R)
• M16: 19,740,785 km (0.072 R)
• M17: 21,582,186 km (0.048 R)
• M18: 23,455,151 km (0.085 R)
• M19: 25,265,136 km (0.112 R)
• M20: 27,970,912 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 8.7

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.65 AU - 5.95 AU

Year: 7013 Days

Day: 11.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,374,417 km

• M1: 108,458 km (0.083 R)
• M2: 611,706 km (0.091 R)
• M3: 931,845 km (0.059 R)
• M4: 1,225,655 km (0.112 R)
• M5: 1,608,925 km (0.075 R)
• M6: 2,563,060 km (0.108 R)
• M7: 3,904,504 km (0.113 R)
• M8: 4,487,637 km (0.116 R)
• M9: 5,036,960 km (0.078 R)
• M10: 5,695,341 km (0.105 R)
• M11: 5,994,686 km (0.116 R)
• M12: 6,807,451 km (0.055 R)
• M13: 7,183,091 km (0.08 R)
• M14: 7,651,931 km (0.087 R)
• M15: 8,016,950 km (0.088 R)
• M16: 8,607,712 km (0.08 R)
• M17: 9,002,650 km (0.107 R)
• M18: 9,318,152 km (0.069 R)
• M19: 10,654,660 km (0.086 R)
• M20: 11,213,258 km (0.107 R)
• M21: 11,898,267 km (0.112 R)
• M22: 12,835,946 km (0.068 R)
• M23: 14,121,441 km (0.092 R)
• M24: 16,207,583 km (0.098 R)
• M25: 16,810,313 km (0.115 R)
• M26: 17,083,030 km (0.106 R)
• M27: 19,974,906 km (0.097 R)
• M28: 22,101,739 km (0.102 R)
• M29: 22,594,066 km (0.063 R)
• M30: 23,685,980 km (0.099 R)
• M31: 25,434,032 km (0.077 R)
• M32: 29,777,606 km (0.107 R)
• M33: 30,479,220 km (0.079 R)
• M34: 33,503,790 km (0.067 R)
• M35: 36,952,020 km (0.055 R)
• M36: 38,702,465 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.5

Radius: 7.6

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.49 AU - 6.85 AU

Year: 11487 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,374,417 km

• M1: 138,378 km (0.055 R)
• M2: 375,939 km (0.086 R)
• M3: 653,892 km (0.103 R)
• M4: 1,027,737 km (0.044 R)
• M5: 2,570,091 km (0.069 R)
• M6: 3,134,225 km (0.084 R)
• M7: 3,407,391 km (0.109 R)
• M8: 3,750,718 km (0.077 R)
• M9: 4,001,893 km (0.062 R)
• M10: 4,414,932 km (0.055 R)
• M11: 5,257,318 km (0.091 R)
• M12: 5,789,737 km (0.039 R)
• M13: 6,202,627 km (0.074 R)
• M14: 8,712,730 km (0.038 R)
• M15: 10,084,392 km (0.045 R)
• M16: 11,536,090 km (0.087 R)
• M17: 14,234,237 km (0.064 R)
• M18: 14,917,152 km (0.089 R)
• M19: 15,266,762 km (0.053 R)
• M20: 17,249,831 km (0.098 R)
• M21: 17,557,554 km (0.104 R)
• M22: 19,647,736 km (0.103 R)
• M23: 22,259,415 km (0.109 R)
• M24: 23,178,993 km (0.057 R)
• M25: 25,290,866 km (0.092 R)
• M26: 27,215,293 km (0.116 R)
• M27: 27,632,522 km (0.107 R)
• M28: 28,909,789 km (0.079 R)
• M29: 29,672,887 km (0.064 R)
• M30: 30,561,199 km (0.075 R)
• M31: 32,391,081 km (0.029 R)
• M32: 33,690,637 km (0.109 R)
• M33: 48,347,489 km (0.109 R)
• M34: 48,806,006 km (0.057 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 12,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit