🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.4

Radius: 10.1

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.51 AU - 0.57 AU

Year: 265 Days

Day: 10.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,904,099 km

• M1: 125,662 km (0.114 R)
• M2: 559,346 km (0.11 R)
• M3: 936,483 km (0.093 R)
• M4: 1,365,081 km (0.11 R)
• M5: 1,733,690 km (0.118 R)
• M6: 2,056,971 km (0.079 R)
• M7: 2,578,469 km (0.097 R)
• M8: 2,994,501 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.7

Radius: 13.8

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.62 AU - 0.78 AU

Year: 391 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,904,099 km

• M1: 177,273 km (0.07 R)
• M2: 628,760 km (0.042 R)
• M3: 1,244,804 km (0.116 R)
• M4: 1,834,369 km (0.058 R)
• M5: 2,361,702 km (0.086 R)
• M6: 2,922,394 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 8.2

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.01 AU

Year: 608 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 58.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,904,099 km

• M1: 102,026 km (0.036 R)
• M2: 452,085 km (0.031 R)
• M3: 749,785 km (0.117 R)
• M4: 1,037,312 km (0.119 R)
• M5: 1,592,170 km (0.092 R)
• M6: 1,998,179 km (0.113 R)
• M7: 2,381,299 km (0.081 R)
• M8: 2,638,607 km (0.115 R)
• M9: 3,511,810 km (0.088 R)
• M10: 3,846,760 km (0.08 R)
• M11: 4,159,120 km (0.097 R)
• M12: 4,706,798 km (0.052 R)
• M13: 5,816,515 km (0.062 R)
• M14: 6,640,799 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 8.3

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1 AU - 1.32 AU

Year: 833 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,904,099 km

• M1: 103,372 km (0.096 R)
• M2: 388,805 km (0.105 R)
• M3: 767,138 km (0.073 R)
• M4: 1,057,657 km (0.118 R)
• M5: 1,377,348 km (0.063 R)
• M6: 1,770,341 km (0.108 R)
• M7: 2,163,933 km (0.111 R)
• M8: 2,662,393 km (0.112 R)
• M9: 3,009,909 km (0.051 R)
• M10: 3,387,345 km (0.111 R)
• M11: 4,060,236 km (0.057 R)
• M12: 4,353,298 km (0.102 R)
• M13: 5,414,396 km (0.084 R)
• M14: 5,851,222 km (0.062 R)
• M15: 7,304,266 km (0.075 R)
• M16: 8,956,275 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 9.8

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.2 AU - 1.22 AU

Year: 888 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,904,099 km

• M1: 123,269 km (0.104 R)
• M2: 449,841 km (0.113 R)
• M3: 826,079 km (0.12 R)
• M4: 1,161,777 km (0.097 R)
• M5: 1,590,076 km (0.082 R)
• M6: 1,945,371 km (0.074 R)
• M7: 2,625,891 km (0.098 R)
• M8: 3,021,877 km (0.045 R)
• M9: 3,330,946 km (0.111 R)
• M10: 3,826,863 km (0.104 R)
• M11: 4,222,400 km (0.074 R)
• M12: 4,715,325 km (0.027 R)
• M13: 5,695,191 km (0.117 R)
• M14: 6,340,855 km (0.096 R)
• M15: 6,828,245 km (0.036 R)
• M16: 7,802,875 km (0.067 R)
• M17: 8,362,970 km (0.061 R)
• M18: 8,679,519 km (0.073 R)
• M19: 9,197,127 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 10.6

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.06 AU - 3.24 AU

Year: 3728 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,904,099 km

• M1: 131,945 km (0.078 R)
• M2: 521,349 km (0.088 R)
• M3: 886,966 km (0.114 R)
• M4: 1,297,911 km (0.119 R)
• M5: 1,798,316 km (0.081 R)
• M6: 2,348,387 km (0.115 R)
• M7: 2,747,215 km (0.109 R)
• M8: 3,662,006 km (0.079 R)
• M9: 4,001,294 km (0.1 R)
• M10: 5,332,566 km (0.116 R)
• M11: 6,563,457 km (0.108 R)
• M12: 9,738,073 km (0.112 R)
• M13: 10,185,820 km (0.072 R)
• M14: 11,210,416 km (0.063 R)
• M15: 11,702,443 km (0.087 R)
• M16: 12,443,700 km (0.091 R)
• M17: 15,232,205 km (0.119 R)
• M18: 16,916,976 km (0.102 R)
• M19: 18,536,373 km (0.089 R)
• M20: 19,035,431 km (0.091 R)
• M21: 21,393,094 km (0.119 R)
• M22: 22,011,681 km (0.101 R)
• M23: 22,712,846 km (0.065 R)
• M24: 24,012,553 km (0.118 R)
• M25: 25,976,473 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 8.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.72 AU - 4.28 AU

Year: 5335 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,904,099 km

• M1: 102,026 km (0.029 R)
• M2: 397,332 km (0.117 R)
• M3: 776,114 km (0.096 R)
• M4: 1,292,974 km (0.065 R)
• M5: 1,552,975 km (0.089 R)
• M6: 2,600,161 km (0.111 R)
• M7: 3,003,327 km (0.105 R)
• M8: 4,163,608 km (0.094 R)
• M9: 4,975,326 km (0.037 R)
• M10: 5,781,808 km (0.06 R)
• M11: 10,476,488 km (0.06 R)
• M12: 10,837,019 km (0.113 R)
• M13: 11,164,339 km (0.082 R)
• M14: 11,498,242 km (0.107 R)
• M15: 12,274,056 km (0.067 R)
• M16: 14,661,489 km (0.064 R)
• M17: 15,781,079 km (0.105 R)
• M18: 17,398,083 km (0.095 R)
• M19: 18,710,505 km (0.119 R)
• M20: 20,087,553 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.5

Radius: 14.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.29 AU - 5.69 AU

Year: 8578 Days

Day: 13.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,904,099 km

• M1: 182,809 km (0.109 R)
• M2: 1,911,711 km (0.107 R)
• M3: 2,658,504 km (0.102 R)
• M4: 3,390,935 km (0.099 R)
• M5: 3,951,628 km (0.102 R)
• M6: 5,475,282 km (0.08 R)
• M7: 7,400,457 km (0.108 R)
• M8: 10,399,595 km (0.094 R)
• M9: 13,379,734 km (0.097 R)
• M10: 13,839,449 km (0.091 R)
• M11: 14,548,692 km (0.116 R)
• M12: 21,049,019 km (0.08 R)
• M13: 24,202,243 km (0.093 R)
• M14: 26,471,792 km (0.078 R)
• M15: 29,166,947 km (0.095 R)
• M16: 32,864,857 km (0.064 R)
• M17: 33,492,719 km (0.102 R)
• M18: 38,807,034 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.8

Radius: 4.2

Gravity: 56.11 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.87 AU - 8.95 AU

Year: 17736 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,904,099 km

• M1: 52,359 km (0.044 R)
• M2: 222,602 km (0.108 R)
• M3: 408,701 km (0.059 R)
• M4: 587,920 km (0.091 R)
• M5: 735,872 km (0.105 R)
• M6: 932,144 km (0.075 R)
• M7: 1,204,861 km (0.081 R)
• M8: 1,631,365 km (0.066 R)
• M9: 2,325,798 km (0.09 R)
• M10: 2,627,986 km (0.103 R)
• M11: 2,982,234 km (0.049 R)
• M12: 4,303,781 km (0.061 R)
• M13: 5,168,606 km (0.114 R)
• M14: 8,395,881 km (0.059 R)
• M15: 11,338,322 km (0.071 R)
• M16: 13,398,135 km (0.114 R)
• M17: 14,136,700 km (0.119 R)
• M18: 22,349,623 km (0.103 R)
• M19: 23,703,783 km (0.11 R)
• M20: 25,555,954 km (0.102 R)
• M21: 25,779,902 km (0.036 R)
• M22: 26,345,831 km (0.096 R)
• M23: 31,429,765 km (0.07 R)
• M24: 34,336,601 km (0.093 R)
• M25: 35,575,720 km (0.095 R)
• M26: 36,276,736 km (0.112 R)
• M27: 37,130,192 km (0.052 R)
• M28: 37,273,656 km (0.093 R)
• M29: 43,006,246 km (0.064 R)
• M30: 49,820,429 km (0.099 R)
• M31: 53,391,031 km (0.06 R)
• M32: 64,495,232 km (0.076 R)
• M33: 74,961,847 km (0.063 R)
• M34: 76,113,153 km (0.111 R)
• M35: 78,687,283 km (0.066 R)
• M36: 79,399,219 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.4

Radius: 5.4

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.83 AU - 9.73 AU

Year: 18852 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 58.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,904,099 km

• M1: 67,169 km (0.08 R)
• M2: 297,999 km (0.099 R)
• M3: 536,009 km (0.078 R)
• M4: 832,662 km (0.037 R)
• M5: 1,151,455 km (0.105 R)
• M6: 1,320,351 km (0.104 R)
• M7: 2,083,150 km (0.109 R)
• M8: 2,993,005 km (0.071 R)
• M9: 4,543,587 km (0.108 R)
• M10: 4,753,772 km (0.041 R)
• M11: 5,764,305 km (0.106 R)
• M12: 10,871,876 km (0.115 R)
• M13: 11,303,316 km (0.082 R)
• M14: 12,257,900 km (0.119 R)
• M15: 14,519,221 km (0.082 R)
• M16: 15,175,058 km (0.116 R)
• M17: 15,645,693 km (0.079 R)
• M18: 16,545,674 km (0.11 R)
• M19: 20,901,067 km (0.086 R)
• M20: 23,031,191 km (0.118 R)
• M21: 24,651,635 km (0.076 R)
• M22: 24,928,840 km (0.113 R)
• M23: 30,176,882 km (0.103 R)
• M24: 34,247,441 km (0.116 R)
• M25: 42,390,202 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 11,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit