🌌 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: 357.8

Radius: 11.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.54 AU - 0.54 AU

Year: 265 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,769,141 km

• M1: 141,819 km (0.099 R)
• M2: 706,551 km (0.115 R)
• M3: 1,078,002 km (0.11 R)
• M4: 1,441,226 km (0.115 R)
• M5: 1,980,227 km (0.108 R)
• M6: 2,411,817 km (0.1 R)
• M7: 3,085,606 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 9.2

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.81 AU - 0.87 AU

Year: 513 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,769,141 km

• M1: 114,442 km (0.099 R)
• M2: 522,097 km (0.113 R)
• M3: 816,356 km (0.106 R)
• M4: 1,231,789 km (0.091 R)
• M5: 1,633,160 km (0.118 R)
• M6: 2,045,302 km (0.082 R)
• M7: 3,542,178 km (0.076 R)
• M8: 4,075,794 km (0.082 R)
• M9: 4,603,874 km (0.04 R)
• M10: 4,991,034 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 11.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.54 AU - 3.24 AU

Year: 3276 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,769,141 km

• M1: 145,559 km (0.094 R)
• M2: 568,173 km (0.051 R)
• M3: 1,133,353 km (0.076 R)
• M4: 1,652,907 km (0.115 R)
• M5: 2,531,645 km (0.118 R)
• M6: 3,433,122 km (0.105 R)
• M7: 4,040,788 km (0.027 R)
• M8: 4,953,485 km (0.066 R)
• M9: 5,370,264 km (0.074 R)
• M10: 6,387,530 km (0.077 R)
• M11: 7,247,119 km (0.089 R)
• M12: 7,883,658 km (0.078 R)
• M13: 8,488,034 km (0.096 R)
• M14: 8,872,500 km (0.081 R)
• M15: 10,096,360 km (0.114 R)
• M16: 10,809,643 km (0.112 R)
• M17: 12,695,175 km (0.102 R)
• M18: 14,492,144 km (0.048 R)
• M19: 15,144,241 km (0.107 R)
• M20: 16,292,106 km (0.03 R)
• M21: 17,779,109 km (0.115 R)
• M22: 18,236,579 km (0.075 R)
• M23: 18,643,335 km (0.113 R)
• M24: 19,838,922 km (0.105 R)
• M25: 20,393,331 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 9.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.76 AU - 6 AU

Year: 7189 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,769,141 km

• M1: 125,812 km (0.089 R)
• M2: 508,334 km (0.084 R)
• M3: 825,032 km (0.095 R)
• M4: 1,334,413 km (0.031 R)
• M5: 3,006,020 km (0.09 R)
• M6: 3,422,799 km (0.095 R)
• M7: 3,901,512 km (0.043 R)
• M8: 5,765,053 km (0.11 R)
• M9: 9,705,760 km (0.113 R)
• M10: 11,000,829 km (0.066 R)
• M11: 11,790,706 km (0.099 R)
• M12: 12,407,647 km (0.093 R)
• M13: 12,830,710 km (0.105 R)
• M14: 14,561,857 km (0.112 R)
• M15: 14,914,010 km (0.084 R)
• M16: 15,635,670 km (0.097 R)
• M17: 16,570,059 km (0.102 R)
• M18: 23,132,768 km (0.11 R)
• M19: 27,516,135 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 12.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.27 AU - 5.85 AU

Year: 7590 Days

Day: 8.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,769,141 km

• M1: 154,834 km (0.047 R)
• M2: 905,067 km (0.064 R)
• M3: 2,743,775 km (0.095 R)
• M4: 3,721,696 km (0.081 R)
• M5: 4,618,086 km (0.101 R)
• M6: 5,117,743 km (0.092 R)
• M7: 5,531,232 km (0.072 R)
• M8: 6,392,167 km (0.07 R)
• M9: 9,041,247 km (0.047 R)
• M10: 9,916,244 km (0.068 R)
• M11: 12,935,728 km (0.117 R)
• M12: 17,036,056 km (0.118 R)
• M13: 18,030,134 km (0.115 R)
• M14: 18,438,536 km (0.092 R)
• M15: 25,928,453 km (0.081 R)
• M16: 32,747,123 km (0.109 R)
• M17: 33,560,188 km (0.112 R)
• M18: 35,651,865 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.8

Radius: 4

Gravity: 52.8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.49 AU - 7.69 AU

Year: 12589 Days

Day: 16.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,769,141 km

• M1: 49,816 km (0.08 R)
• M2: 251,773 km (0.081 R)
• M3: 410,796 km (0.065 R)
• M4: 543,339 km (0.11 R)
• M5: 704,905 km (0.071 R)
• M6: 1,378,395 km (0.107 R)
• M7: 2,260,873 km (0.118 R)
• M8: 2,445,177 km (0.08 R)
• M9: 5,150,655 km (0.1 R)
• M10: 5,362,186 km (0.109 R)
• M11: 5,690,404 km (0.099 R)
• M12: 8,567,171 km (0.08 R)
• M13: 9,168,106 km (0.111 R)
• M14: 10,067,039 km (0.101 R)
• M15: 10,850,184 km (0.09 R)
• M16: 13,244,647 km (0.059 R)
• M17: 17,265,389 km (0.108 R)
• M18: 17,979,420 km (0.1 R)
• M19: 18,712,749 km (0.09 R)
• M20: 23,826,602 km (0.12 R)
• M21: 24,315,189 km (0.111 R)
• M22: 25,923,516 km (0.114 R)
• M23: 27,815,929 km (0.105 R)
• M24: 29,350,055 km (0.106 R)
• M25: 31,991,355 km (0.114 R)
• M26: 35,415,202 km (0.063 R)
• M27: 38,404,167 km (0.101 R)
• M28: 39,075,413 km (0.083 R)
• M29: 39,346,185 km (0.114 R)
• M30: 41,276,147 km (0.115 R)
• M31: 55,551,524 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918

Radius: 4.6

Gravity: 43.38 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.64 AU - 8.66 AU

Year: 15516 Days

Day: 24.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,769,141 km

• M1: 57,745 km (0.087 R)
• M2: 223,649 km (0.066 R)
• M3: 550,371 km (0.057 R)
• M4: 712,535 km (0.05 R)
• M5: 1,481,318 km (0.05 R)
• M6: 1,712,746 km (0.041 R)
• M7: 2,025,854 km (0.085 R)
• M8: 2,789,851 km (0.116 R)
• M9: 5,842,395 km (0.117 R)
• M10: 6,723,377 km (0.053 R)
• M11: 9,667,463 km (0.032 R)
• M12: 12,286,772 km (0.107 R)
• M13: 13,936,687 km (0.104 R)
• M14: 14,225,262 km (0.072 R)
• M15: 14,964,425 km (0.118 R)
• M16: 19,853,133 km (0.089 R)
• M17: 22,704,319 km (0.047 R)
• M18: 23,103,895 km (0.092 R)
• M19: 24,960,554 km (0.114 R)
• M20: 26,142,826 km (0.106 R)
• M21: 27,137,503 km (0.035 R)
• M22: 29,793,613 km (0.052 R)
• M23: 39,077,058 km (0.105 R)
• M24: 45,701,402 km (0.098 R)
• M25: 47,956,290 km (0.107 R)
• M26: 48,120,100 km (0.106 R)
• M27: 48,284,358 km (0.115 R)
• M28: 53,739,146 km (0.037 R)
• M29: 61,889,836 km (0.046 R)
• M30: 66,664,551 km (0.055 R)
• M31: 66,868,603 km (0.119 R)
• M32: 67,689,297 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.1

Radius: 5.3

Gravity: 31.94 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.36 AU - 8.98 AU

Year: 17024 Days

Day: 21 Hours

Environment

Temp: -243 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,769,141 km

• M1: 68,665 km (0.096 R)
• M2: 446,101 km (0.112 R)
• M3: 709,543 km (0.029 R)
• M4: 1,456,186 km (0.084 R)
• M5: 1,759,121 km (0.062 R)
• M6: 2,334,774 km (0.102 R)
• M7: 2,513,843 km (0.11 R)
• M8: 2,824,408 km (0.047 R)
• M9: 3,080,519 km (0.111 R)
• M10: 3,351,890 km (0.102 R)
• M11: 3,522,282 km (0.064 R)
• M12: 3,788,865 km (0.08 R)
• M13: 4,005,333 km (0.086 R)
• M14: 4,991,782 km (0.064 R)
• M15: 5,521,807 km (0.085 R)
• M16: 7,772,357 km (0.11 R)
• M17: 12,562,631 km (0.09 R)
• M18: 13,114,797 km (0.117 R)
• M19: 16,855,940 km (0.041 R)
• M20: 17,527,485 km (0.108 R)
• M21: 22,133,903 km (0.111 R)
• M22: 27,257,480 km (0.108 R)
• M23: 29,007,476 km (0.111 R)
• M24: 29,727,939 km (0.063 R)
• M25: 32,088,294 km (0.096 R)
• M26: 36,064,606 km (0.116 R)
• M27: 41,254,904 km (0.111 R)
• M28: 50,282,986 km (0.112 R)
• M29: 51,846,732 km (0.116 R)
• M30: 52,729,360 km (0.103 R)
• M31: 60,737,334 km (0.115 R)
• M32: 61,717,948 km (0.093 R)
• M33: 68,880,096 km (0.072 R)
• M34: 69,305,253 km (0.072 R)
• M35: 72,331,019 km (0.065 R)
• M36: 74,769,165 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 12,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit