🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.4

Radius: 10.5

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.48 AU - 0.56 AU

Year: 254 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 94,054,839 km

• M1: 130,599 km (0.035 R)
• M2: 522,246 km (0.09 R)
• M3: 850,015 km (0.082 R)
• M4: 1,383,930 km (0.083 R)
• M5: 2,086,591 km (0.101 R)
• M6: 2,793,142 km (0.114 R)
• M7: 3,151,728 km (0.108 R)
• M8: 3,799,487 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.6

Radius: 10.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 6.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 94,054,839 km

• M1: 125,961 km (0.097 R)
• M2: 546,780 km (0.071 R)
• M3: 916,586 km (0.12 R)
• M4: 1,288,337 km (0.043 R)
• M5: 1,950,906 km (0.095 R)
• M6: 2,937,504 km (0.074 R)
• M7: 3,776,299 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 11.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.94 AU - 1.48 AU

Year: 903 Days

Day: 5.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,054,839 km

• M1: 142,268 km (0.103 R)
• M2: 691,441 km (0.116 R)
• M3: 1,258,716 km (0.068 R)
• M4: 1,638,097 km (0.074 R)
• M5: 2,141,344 km (0.06 R)
• M6: 3,676,667 km (0.094 R)
• M7: 4,515,612 km (0.114 R)
• M8: 5,142,876 km (0.07 R)
• M9: 5,641,635 km (0.079 R)
• M10: 6,903,643 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.3

Radius: 9.9

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.19 AU - 1.69 AU

Year: 1172 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,054,839 km

• M1: 123,119 km (0.078 R)
• M2: 446,550 km (0.104 R)
• M3: 866,620 km (0.112 R)
• M4: 1,427,912 km (0.115 R)
• M5: 2,206,419 km (0.101 R)
• M6: 2,517,882 km (0.027 R)
• M7: 3,554,745 km (0.116 R)
• M8: 4,341,181 km (0.087 R)
• M9: 5,344,234 km (0.105 R)
• M10: 5,799,610 km (0.109 R)
• M11: 6,140,544 km (0.046 R)
• M12: 7,064,759 km (0.089 R)
• M13: 7,721,793 km (0.084 R)
• M14: 8,916,482 km (0.095 R)
• M15: 10,067,488 km (0.108 R)
• M16: 10,865,293 km (0.118 R)
• M17: 11,490,912 km (0.055 R)
• M18: 12,103,665 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 12.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.52 AU - 1.94 AU

Year: 1543 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,054,839 km

• M1: 152,291 km (0.112 R)
• M2: 704,905 km (0.079 R)
• M3: 1,291,478 km (0.1 R)
• M4: 1,870,572 km (0.112 R)
• M5: 3,248,667 km (0.114 R)
• M6: 4,184,552 km (0.096 R)
• M7: 4,672,241 km (0.107 R)
• M8: 5,216,328 km (0.08 R)
• M9: 6,007,701 km (0.114 R)
• M10: 6,764,217 km (0.049 R)
• M11: 8,156,525 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 14.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.92 AU - 3.7 AU

Year: 4084 Days

Day: 14.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 84.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,054,839 km

• M1: 179,218 km (0.095 R)
• M2: 685,158 km (0.097 R)
• M3: 1,230,442 km (0.114 R)
• M4: 1,856,659 km (0.089 R)
• M5: 2,330,884 km (0.102 R)
• M6: 2,870,484 km (0.032 R)
• M7: 5,840,750 km (0.11 R)
• M8: 6,431,811 km (0.114 R)
• M9: 7,377,419 km (0.085 R)
• M10: 8,732,327 km (0.102 R)
• M11: 9,853,114 km (0.106 R)
• M12: 11,110,035 km (0.116 R)
• M13: 12,380,121 km (0.087 R)
• M14: 14,489,451 km (0.057 R)
• M15: 15,629,537 km (0.071 R)
• M16: 17,166,206 km (0.101 R)
• M17: 17,680,972 km (0.117 R)
• M18: 20,031,753 km (0.12 R)
• M19: 21,446,201 km (0.109 R)
• M20: 22,448,058 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 13.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.38 AU - 4.48 AU

Year: 6324 Days

Day: 12.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,054,839 km

• M1: 175,927 km (0.1 R)
• M2: 949,946 km (0.08 R)
• M3: 1,772,585 km (0.108 R)
• M4: 3,033,546 km (0.096 R)
• M5: 3,590,349 km (0.045 R)
• M6: 4,114,091 km (0.108 R)
• M7: 4,580,537 km (0.114 R)
• M8: 5,257,767 km (0.066 R)
• M9: 6,330,832 km (0.103 R)
• M10: 7,583,116 km (0.072 R)
• M11: 10,013,333 km (0.103 R)
• M12: 12,018,693 km (0.079 R)
• M13: 13,646,767 km (0.107 R)
• M14: 19,483,627 km (0.117 R)
• M15: 20,212,318 km (0.111 R)
• M16: 31,314,275 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.5

Radius: 4.2

Gravity: 44.08 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.08 AU - 9.56 AU

Year: 19298 Days

Day: 16 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,054,839 km

• M1: 56,548 km (0.08 R)
• M2: 269,276 km (0.048 R)
• M3: 911,051 km (0.077 R)
• M4: 1,429,258 km (0.036 R)
• M5: 1,559,857 km (0.097 R)
• M6: 1,716,187 km (0.081 R)
• M7: 2,990,162 km (0.12 R)
• M8: 3,232,660 km (0.059 R)
• M9: 3,818,336 km (0.071 R)
• M10: 4,136,531 km (0.105 R)
• M11: 4,753,323 km (0.067 R)
• M12: 6,124,537 km (0.104 R)
• M13: 6,923,389 km (0.091 R)
• M14: 10,508,353 km (0.104 R)
• M15: 13,292,519 km (0.091 R)
• M16: 16,039,884 km (0.118 R)
• M17: 18,510,642 km (0.093 R)
• M18: 19,696,355 km (0.03 R)
• M19: 24,620,518 km (0.116 R)
• M20: 25,605,920 km (0.103 R)
• M21: 26,052,320 km (0.096 R)
• M22: 34,590,468 km (0.084 R)
• M23: 34,862,437 km (0.087 R)
• M24: 39,855,416 km (0.107 R)
• M25: 40,454,705 km (0.081 R)
• M26: 41,825,021 km (0.088 R)
• M27: 44,017,677 km (0.114 R)
• M28: 47,784,253 km (0.049 R)
• M29: 49,314,639 km (0.111 R)
• M30: 53,919,112 km (0.072 R)
• M31: 57,459,495 km (0.111 R)
• M32: 61,350,236 km (0.088 R)
• M33: 61,549,202 km (0.118 R)
• M34: 63,766,840 km (0.086 R)
• M35: 66,246,275 km (0.114 R)
• M36: 76,807,137 km (0.094 R)
• M37: 77,269,993 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.5

Radius: 6.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.92 AU - 10.84 AU

Year: 22682 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 94,054,839 km

• M1: 86,019 km (0.089 R)
• M2: 305,778 km (0.108 R)
• M3: 664,963 km (0.112 R)
• M4: 1,288,038 km (0.117 R)
• M5: 1,572,124 km (0.11 R)
• M6: 2,533,290 km (0.108 R)
• M7: 2,751,703 km (0.069 R)
• M8: 3,201,843 km (0.116 R)
• M9: 3,699,855 km (0.113 R)
• M10: 4,128,452 km (0.08 R)
• M11: 5,327,928 km (0.114 R)
• M12: 9,756,624 km (0.104 R)
• M13: 11,028,505 km (0.096 R)
• M14: 13,170,597 km (0.062 R)
• M15: 15,358,615 km (0.074 R)
• M16: 15,648,087 km (0.096 R)
• M17: 16,312,900 km (0.083 R)
• M18: 17,384,170 km (0.073 R)
• M19: 18,912,013 km (0.075 R)
• M20: 20,266,323 km (0.082 R)
• M21: 21,234,071 km (0.118 R)
• M22: 22,883,687 km (0.074 R)
• M23: 23,932,817 km (0.097 R)
• M24: 25,414,584 km (0.1 R)
• M25: 26,229,443 km (0.041 R)
• M26: 29,551,713 km (0.12 R)
• M27: 30,112,555 km (0.112 R)
• M28: 33,871,651 km (0.094 R)
• M29: 34,485,900 km (0.059 R)
• M30: 39,534,678 km (0.092 R)
• M31: 41,321,325 km (0.047 R)
• M32: 44,612,927 km (0.112 R)
• M33: 57,592,936 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.1

Radius: 6.3

Gravity: 23.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.04 AU - 12.3 AU

Year: 23639 Days

Day: 22 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,054,839 km

• M1: 228,885 km (0.079 R)
• M2: 830,119 km (0.102 R)
• M3: 1,267,094 km (0.065 R)
• M4: 1,546,692 km (0.112 R)
• M5: 2,011,493 km (0.072 R)
• M6: 3,304,318 km (0.096 R)
• M7: 4,536,406 km (0.101 R)
• M8: 4,994,624 km (0.051 R)
• M9: 5,695,939 km (0.069 R)
• M10: 6,650,523 km (0.114 R)
• M11: 13,676,985 km (0.104 R)
• M12: 17,666,013 km (0.099 R)
• M13: 25,886,715 km (0.106 R)
• M14: 28,342,962 km (0.096 R)
• M15: 28,724,437 km (0.071 R)
• M16: 37,852,001 km (0.108 R)
• M17: 38,469,541 km (0.111 R)
• M18: 49,836,586 km (0.078 R)
• M19: 61,324,206 km (0.078 R)
• M20: 63,467,944 km (0.049 R)
• M21: 65,661,198 km (0.102 R)
• M22: 72,780,561 km (0.165 R)
• M23: 76,402,924 km (0.133 R)
• M24: 79,134,431 km (0.065 R)
• M25: 85,848,084 km (0.061 R)
• M26: 89,070,871 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 17,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit