🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.7

Radius: 8.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.66 AU - 0.88 AU

Year: 430 Days

Day: 10.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,234,879 km

• M1: 108,159 km (0.086 R)
• M2: 447,447 km (0.085 R)
• M3: 747,690 km (0.097 R)
• M4: 1,156,242 km (0.106 R)
• M5: 1,479,373 km (0.064 R)
• M6: 2,553,636 km (0.05 R)
• M7: 4,448,143 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 8.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.4 AU - 2.06 AU

Year: 1447 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,234,879 km

• M1: 103,223 km (0.049 R)
• M2: 529,427 km (0.093 R)
• M3: 1,002,904 km (0.074 R)
• M4: 1,263,952 km (0.095 R)
• M5: 1,738,626 km (0.107 R)
• M6: 2,028,398 km (0.085 R)
• M7: 2,350,332 km (0.076 R)
• M8: 2,807,354 km (0.032 R)
• M9: 4,262,492 km (0.118 R)
• M10: 4,943,462 km (0.113 R)
• M11: 6,229,704 km (0.062 R)
• M12: 7,057,728 km (0.06 R)
• M13: 7,905,350 km (0.117 R)
• M14: 8,819,243 km (0.053 R)
• M15: 9,158,082 km (0.12 R)
• M16: 10,104,289 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 8.9

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.19 AU - 2.39 AU

Year: 2203 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,234,879 km

• M1: 110,702 km (0.11 R)
• M2: 423,661 km (0.108 R)
• M3: 701,913 km (0.066 R)
• M4: 1,001,707 km (0.11 R)
• M5: 1,342,192 km (0.062 R)
• M6: 1,827,787 km (0.063 R)
• M7: 2,131,620 km (0.058 R)
• M8: 2,512,197 km (0.082 R)
• M9: 3,741,293 km (0.109 R)
• M10: 4,795,659 km (0.107 R)
• M11: 6,222,224 km (0.079 R)
• M12: 6,745,817 km (0.09 R)
• M13: 7,755,752 km (0.11 R)
• M14: 9,999,122 km (0.097 R)
• M15: 10,563,704 km (0.114 R)
• M16: 10,912,417 km (0.105 R)
• M17: 11,922,053 km (0.113 R)
• M18: 12,729,881 km (0.086 R)
• M19: 13,125,119 km (0.073 R)
• M20: 13,438,227 km (0.107 R)
• M21: 14,454,745 km (0.104 R)
• M22: 15,472,010 km (0.091 R)
• M23: 18,584,992 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.9

Radius: 14.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.29 AU - 2.65 AU

Year: 2468 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,234,879 km

• M1: 176,525 km (0.068 R)
• M2: 625,469 km (0.105 R)
• M3: 1,179,878 km (0.086 R)
• M4: 2,540,920 km (0.11 R)
• M5: 6,772,894 km (0.084 R)
• M6: 10,290,090 km (0.073 R)
• M7: 12,837,292 km (0.073 R)
• M8: 13,831,819 km (0.11 R)
• M9: 14,507,702 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.5

Radius: 9.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.77 AU - 3.11 AU

Year: 3205 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,234,879 km

• M1: 115,938 km (0.115 R)
• M2: 428,747 km (0.092 R)
• M3: 880,683 km (0.077 R)
• M4: 1,182,122 km (0.098 R)
• M5: 1,489,396 km (0.119 R)
• M6: 1,869,225 km (0.106 R)
• M7: 2,270,148 km (0.1 R)
• M8: 3,707,484 km (0.091 R)
• M9: 4,277,751 km (0.091 R)
• M10: 4,760,952 km (0.099 R)
• M11: 5,474,384 km (0.117 R)
• M12: 8,647,505 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 13.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.71 AU - 6.87 AU

Year: 8858 Days

Day: 9.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,234,879 km

• M1: 165,455 km (0.095 R)
• M2: 701,016 km (0.108 R)
• M3: 1,235,828 km (0.109 R)
• M4: 1,816,417 km (0.103 R)
• M5: 2,359,308 km (0.086 R)
• M6: 4,130,547 km (0.116 R)
• M7: 5,110,862 km (0.044 R)
• M8: 7,648,939 km (0.055 R)
• M9: 9,035,711 km (0.11 R)
• M10: 11,035,536 km (0.045 R)
• M11: 15,442,240 km (0.066 R)
• M12: 16,353,441 km (0.085 R)
• M13: 17,300,096 km (0.026 R)
• M14: 19,902,351 km (0.108 R)
• M15: 22,018,114 km (0.069 R)
• M16: 32,094,578 km (0.071 R)
• M17: 33,577,840 km (0.081 R)
• M18: 36,000,279 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 8.6

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.77 AU - 6.37 AU

Year: 9509 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,234,879 km

• M1: 134,937 km (0.071 R)
• M2: 527,033 km (0.11 R)
• M3: 1,085,033 km (0.088 R)
• M4: 1,794,127 km (0.099 R)
• M5: 2,079,111 km (0.058 R)
• M6: 2,525,810 km (0.093 R)
• M7: 3,145,146 km (0.078 R)
• M8: 3,636,275 km (0.054 R)
• M9: 3,939,361 km (0.084 R)
• M10: 5,012,576 km (0.039 R)
• M11: 6,413,111 km (0.06 R)
• M12: 7,086,900 km (0.103 R)
• M13: 8,752,373 km (0.09 R)
• M14: 9,022,996 km (0.047 R)
• M15: 9,581,145 km (0.077 R)
• M16: 11,716,954 km (0.062 R)
• M17: 12,608,258 km (0.11 R)
• M18: 13,305,833 km (0.074 R)
• M19: 21,676,432 km (0.09 R)
• M20: 24,680,058 km (0.051 R)
• M21: 27,853,029 km (0.066 R)
• M22: 30,147,561 km (0.045 R)
• M23: 34,882,633 km (0.104 R)
• M24: 35,793,684 km (0.113 R)
• M25: 42,106,565 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.1

Radius: 5.2

Gravity: 34.06 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.41 AU - 8.77 AU

Year: 14630 Days

Day: 19.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,234,879 km

• M1: 66,721 km (0.094 R)
• M2: 354,248 km (0.076 R)
• M3: 585,526 km (0.052 R)
• M4: 872,006 km (0.048 R)
• M5: 1,234,482 km (0.111 R)
• M6: 1,625,082 km (0.082 R)
• M7: 4,424,207 km (0.104 R)
• M8: 4,691,090 km (0.089 R)
• M9: 5,183,865 km (0.081 R)
• M10: 8,785,434 km (0.059 R)
• M11: 10,554,279 km (0.105 R)
• M12: 13,150,251 km (0.058 R)
• M13: 18,685,522 km (0.109 R)
• M14: 21,201,010 km (0.027 R)
• M15: 25,595,747 km (0.106 R)
• M16: 27,667,827 km (0.055 R)
• M17: 28,344,757 km (0.091 R)
• M18: 28,687,336 km (0.093 R)
• M19: 31,042,007 km (0.099 R)
• M20: 33,142,062 km (0.101 R)
• M21: 34,420,675 km (0.116 R)
• M22: 36,399,855 km (0.069 R)
• M23: 48,248,006 km (0.071 R)
• M24: 66,561,179 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.7

Radius: 7.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.05 AU - 9.13 AU

Year: 16007 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,234,879 km

• M1: 90,058 km (0.093 R)
• M2: 326,123 km (0.086 R)
• M3: 1,524,402 km (0.062 R)
• M4: 2,732,256 km (0.114 R)
• M5: 2,990,611 km (0.102 R)
• M6: 3,812,951 km (0.046 R)
• M7: 5,058,054 km (0.107 R)
• M8: 6,109,876 km (0.119 R)
• M9: 8,323,027 km (0.068 R)
• M10: 8,684,306 km (0.089 R)
• M11: 9,341,489 km (0.085 R)
• M12: 13,255,119 km (0.039 R)
• M13: 13,873,108 km (0.031 R)
• M14: 14,253,087 km (0.089 R)
• M15: 14,770,396 km (0.102 R)
• M16: 17,842,239 km (0.114 R)
• M17: 21,651,599 km (0.11 R)
• M18: 22,421,729 km (0.107 R)
• M19: 23,387,383 km (0.103 R)
• M20: 23,745,371 km (0.058 R)
• M21: 24,564,120 km (0.106 R)
• M22: 25,027,125 km (0.118 R)
• M23: 27,528,701 km (0.037 R)
• M24: 30,403,972 km (0.11 R)
• M25: 31,369,178 km (0.087 R)
• M26: 32,023,818 km (0.096 R)
• M27: 38,579,795 km (0.082 R)
• M28: 40,605,200 km (0.114 R)
• M29: 43,910,117 km (0.035 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.5

Radius: 4.9

Gravity: 31.09 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.45 AU - 11.19 AU

Year: 18091 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,234,879 km

• M1: 63,280 km (0.092 R)
• M2: 257,458 km (0.117 R)
• M3: 433,235 km (0.085 R)
• M4: 2,096,465 km (0.102 R)
• M5: 2,304,705 km (0.106 R)
• M6: 3,279,634 km (0.086 R)
• M7: 4,994,325 km (0.069 R)
• M8: 6,379,601 km (0.093 R)
• M9: 6,552,686 km (0.118 R)
• M10: 7,137,015 km (0.086 R)
• M11: 7,513,553 km (0.095 R)
• M12: 7,952,772 km (0.094 R)
• M13: 8,512,568 km (0.114 R)
• M14: 8,775,561 km (0.045 R)
• M15: 9,653,850 km (0.053 R)
• M16: 10,588,986 km (0.076 R)
• M17: 11,016,686 km (0.104 R)
• M18: 18,097,752 km (0.112 R)
• M19: 20,623,712 km (0.09 R)
• M20: 21,193,979 km (0.071 R)
• M21: 23,683,587 km (0.113 R)
• M22: 33,728,186 km (0.071 R)
• M23: 36,275,688 km (0.083 R)
• M24: 55,932,998 km (0.113 R)
• M25: 59,490,286 km (0.113 R)
• M26: 64,598,455 km (0.092 R)
• M27: 65,409,425 km (0.112 R)
• M28: 67,674,486 km (0.115 R)
• M29: 70,846,560 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 17,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit