🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 8.7

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.77 AU - 1.17 AU

Year: 607 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,776,105 km

• M1: 108,309 km (0.103 R)
• M2: 387,309 km (0.03 R)
• M3: 751,729 km (0.113 R)
• M4: 1,047,335 km (0.092 R)
• M5: 1,469,051 km (0.107 R)
• M6: 1,901,539 km (0.052 R)
• M7: 2,455,799 km (0.071 R)
• M8: 2,857,170 km (0.111 R)
• M9: 3,410,831 km (0.071 R)
• M10: 3,726,633 km (0.098 R)
• M11: 4,330,110 km (0.077 R)
• M12: 4,701,113 km (0.071 R)
• M13: 5,592,417 km (0.101 R)
• M14: 6,105,687 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 12.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.26 AU - 1.54 AU

Year: 1053 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,776,105 km

• M1: 156,629 km (0.053 R)
• M2: 1,602,193 km (0.111 R)
• M3: 2,190,262 km (0.043 R)
• M4: 2,852,981 km (0.101 R)
• M5: 4,040,638 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.8

Radius: 14.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.57 AU - 1.59 AU

Year: 1263 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,776,105 km

• M1: 176,525 km (0.037 R)
• M2: 743,501 km (0.085 R)
• M3: 1,216,231 km (0.075 R)
• M4: 1,781,112 km (0.1 R)
• M5: 4,413,287 km (0.072 R)
• M6: 5,003,151 km (0.118 R)
• M7: 5,998,276 km (0.081 R)
• M8: 6,531,293 km (0.09 R)
• M9: 8,156,226 km (0.087 R)
• M10: 8,666,504 km (0.117 R)
• M11: 9,410,903 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 10.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.39 AU - 1.77 AU

Year: 1263 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,776,105 km

• M1: 125,662 km (0.088 R)
• M2: 450,738 km (0.095 R)
• M3: 778,657 km (0.094 R)
• M4: 1,164,919 km (0.044 R)
• M5: 1,619,098 km (0.06 R)
• M6: 1,956,291 km (0.095 R)
• M7: 3,492,512 km (0.112 R)
• M8: 3,918,567 km (0.068 R)
• M9: 4,499,904 km (0.041 R)
• M10: 5,080,792 km (0.107 R)
• M11: 5,876,504 km (0.047 R)
• M12: 6,217,138 km (0.116 R)
• M13: 6,961,836 km (0.056 R)
• M14: 7,392,528 km (0.053 R)
• M15: 8,601,279 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 10.9

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.79 AU - 2.13 AU

Year: 1745 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,776,105 km

• M1: 136,882 km (0.106 R)
• M2: 496,964 km (0.108 R)
• M3: 1,545,944 km (0.085 R)
• M4: 2,198,640 km (0.041 R)
• M5: 2,575,627 km (0.065 R)
• M6: 3,026,515 km (0.083 R)
• M7: 3,686,241 km (0.11 R)
• M8: 4,726,395 km (0.07 R)
• M9: 5,069,423 km (0.083 R)
• M10: 6,691,962 km (0.098 R)
• M11: 11,005,018 km (0.052 R)
• M12: 11,533,996 km (0.076 R)
• M13: 12,238,751 km (0.038 R)
• M14: 12,806,625 km (0.107 R)
• M15: 13,265,142 km (0.08 R)
• M16: 13,821,048 km (0.059 R)
• M17: 15,913,773 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 12.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.61 AU - 4.17 AU

Year: 3969 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 66.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,776,105 km

• M1: 156,928 km (0.108 R)
• M2: 1,082,341 km (0.06 R)
• M3: 1,563,896 km (0.048 R)
• M4: 2,232,150 km (0.115 R)
• M5: 2,818,274 km (0.117 R)
• M6: 3,505,527 km (0.066 R)
• M7: 3,965,391 km (0.11 R)
• M8: 4,609,110 km (0.099 R)
• M9: 5,402,278 km (0.071 R)
• M10: 6,254,388 km (0.116 R)
• M11: 7,161,400 km (0.104 R)
• M12: 9,158,980 km (0.081 R)
• M13: 9,832,769 km (0.084 R)
• M14: 10,970,909 km (0.098 R)
• M15: 11,869,095 km (0.067 R)
• M16: 12,431,284 km (0.107 R)
• M17: 13,863,235 km (0.066 R)
• M18: 14,487,058 km (0.082 R)
• M19: 16,128,446 km (0.106 R)
• M20: 18,755,683 km (0.066 R)
• M21: 19,198,493 km (0.115 R)
• M22: 22,213,937 km (0.042 R)
• M23: 23,797,431 km (0.113 R)
• M24: 25,764,493 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.9

Radius: 11

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.15 AU - 4.95 AU

Year: 5182 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,776,105 km

• M1: 140,622 km (0.039 R)
• M2: 502,948 km (0.062 R)
• M3: 981,362 km (0.116 R)
• M4: 1,517,670 km (0.04 R)
• M5: 2,102,897 km (0.094 R)
• M6: 2,685,880 km (0.064 R)
• M7: 3,818,186 km (0.073 R)
• M8: 4,557,350 km (0.09 R)
• M9: 5,330,920 km (0.094 R)
• M10: 6,030,141 km (0.104 R)
• M11: 6,892,871 km (0.113 R)
• M12: 7,573,991 km (0.071 R)
• M13: 8,740,106 km (0.106 R)
• M14: 9,452,042 km (0.065 R)
• M15: 10,247,604 km (0.096 R)
• M16: 10,755,339 km (0.069 R)
• M17: 11,183,189 km (0.093 R)
• M18: 12,073,147 km (0.085 R)
• M19: 12,850,158 km (0.105 R)
• M20: 14,275,826 km (0.072 R)
• M21: 15,987,225 km (0.118 R)
• M22: 18,770,942 km (0.096 R)
• M23: 19,461,785 km (0.11 R)
• M24: 19,813,640 km (0.098 R)
• M25: 20,529,914 km (0.069 R)
• M26: 23,888,536 km (0.049 R)
• M27: 27,863,052 km (0.113 R)
• M28: 28,853,241 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.2

Radius: 4.7

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.75 AU - 7.75 AU

Year: 12412 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 77.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,776,105 km

• M1: 58,493 km (0.102 R)
• M2: 229,633 km (0.11 R)
• M3: 578,196 km (0.12 R)
• M4: 901,327 km (0.097 R)
• M5: 1,109,418 km (0.077 R)
• M6: 1,336,507 km (0.1 R)
• M7: 2,733,003 km (0.115 R)
• M8: 3,194,962 km (0.042 R)
• M9: 3,810,856 km (0.115 R)
• M10: 5,674,247 km (0.09 R)
• M11: 6,202,627 km (0.118 R)
• M12: 7,898,618 km (0.1 R)
• M13: 8,556,549 km (0.115 R)
• M14: 9,014,917 km (0.075 R)
• M15: 10,232,494 km (0.11 R)
• M16: 11,391,130 km (0.11 R)
• M17: 15,454,806 km (0.111 R)
• M18: 15,724,083 km (0.116 R)
• M19: 18,141,135 km (0.1 R)
• M20: 23,165,829 km (0.041 R)
• M21: 23,430,168 km (0.105 R)
• M22: 23,607,442 km (0.063 R)
• M23: 24,416,317 km (0.102 R)
• M24: 24,781,635 km (0.062 R)
• M25: 32,106,246 km (0.116 R)
• M26: 34,111,007 km (0.116 R)
• M27: 38,861,637 km (0.097 R)
• M28: 39,610,225 km (0.073 R)
• M29: 42,437,326 km (0.054 R)
• M30: 46,785,388 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997

Radius: 4

Gravity: 62.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.46 AU - 8.28 AU

Year: 12721 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 63,776,105 km

• M1: 159,920 km (0.082 R)
• M2: 391,348 km (0.098 R)
• M3: 582,833 km (0.064 R)
• M4: 1,106,426 km (0.089 R)
• M5: 1,304,045 km (0.107 R)
• M6: 1,478,925 km (0.097 R)
• M7: 1,620,145 km (0.078 R)
• M8: 1,875,658 km (0.12 R)
• M9: 2,381,748 km (0.104 R)
• M10: 2,643,843 km (0.095 R)
• M11: 2,805,558 km (0.036 R)
• M12: 3,772,110 km (0.077 R)
• M13: 4,441,860 km (0.061 R)
• M14: 5,011,080 km (0.118 R)
• M15: 5,367,871 km (0.084 R)
• M16: 6,013,086 km (0.12 R)
• M17: 7,230,364 km (0.076 R)
• M18: 7,967,882 km (0.066 R)
• M19: 8,208,286 km (0.072 R)
• M20: 9,537,163 km (0.083 R)
• M21: 9,753,632 km (0.041 R)
• M22: 10,308,939 km (0.097 R)
• M23: 10,826,697 km (0.091 R)
• M24: 15,018,130 km (0.051 R)
• M25: 15,908,537 km (0.096 R)
• M26: 16,366,755 km (0.049 R)
• M27: 17,070,463 km (0.102 R)
• M28: 17,957,579 km (0.099 R)
• M29: 18,875,063 km (0.093 R)
• M30: 19,823,363 km (0.114 R)
• M31: 21,075,647 km (0.068 R)
• M32: 21,814,362 km (0.061 R)
• M33: 22,474,836 km (0.061 R)
• M34: 27,042,059 km (0.088 R)
• M35: 28,134,722 km (0.079 R)
• M36: 30,758,818 km (0.072 R)
• M37: 34,420,824 km (0.083 R)
• M38: 34,547,534 km (0.097 R)
• M39: 37,551,459 km (0.105 R)
• M40: 40,441,989 km (0.117 R)
• M41: 44,371,776 km (0.117 R)
• M42: 52,979,787 km (0.057 R)
• M43: 55,206,401 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 11,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit