🌌 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: 625

Radius: 13.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.44 AU - 0.64 AU

Year: 279 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 116.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,152,641 km

• M1: 167,849 km (0.116 R)
• M2: 591,660 km (0.115 R)
• M3: 1,132,755 km (0.116 R)
• M4: 1,631,963 km (0.108 R)
• M5: 2,170,366 km (0.101 R)
• M6: 3,112,982 km (0.042 R)
• M7: 3,579,877 km (0.11 R)
• M8: 4,034,355 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 8.8

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.99 AU - 1.05 AU

Year: 724 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,152,641 km

• M1: 109,506 km (0.118 R)
• M2: 430,991 km (0.089 R)
• M3: 748,289 km (0.079 R)
• M4: 1,200,972 km (0.092 R)
• M5: 1,538,614 km (0.057 R)
• M6: 1,896,303 km (0.119 R)
• M7: 2,408,975 km (0.102 R)
• M8: 3,291,752 km (0.059 R)
• M9: 4,005,034 km (0.039 R)
• M10: 4,883,174 km (0.055 R)
• M11: 5,536,318 km (0.055 R)
• M12: 6,266,056 km (0.082 R)
• M13: 7,337,028 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 11.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.53 AU - 2.45 AU

Year: 1973 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,152,641 km

• M1: 141,819 km (0.093 R)
• M2: 1,399,189 km (0.096 R)
• M3: 1,797,568 km (0.112 R)
• M4: 2,355,119 km (0.078 R)
• M5: 3,245,975 km (0.042 R)
• M6: 4,966,051 km (0.03 R)
• M7: 6,400,694 km (0.102 R)
• M8: 10,102,494 km (0.098 R)
• M9: 12,124,010 km (0.071 R)
• M10: 12,611,699 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.1

Radius: 12.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.13 AU - 2.17 AU

Year: 2216 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,152,641 km

• M1: 157,975 km (0.093 R)
• M2: 640,129 km (0.091 R)
• M3: 1,431,053 km (0.044 R)
• M4: 2,489,608 km (0.08 R)
• M5: 2,937,055 km (0.09 R)
• M6: 3,421,902 km (0.109 R)
• M7: 6,191,257 km (0.083 R)
• M8: 6,994,149 km (0.109 R)
• M9: 8,495,663 km (0.094 R)
• M10: 9,789,535 km (0.087 R)
• M11: 11,285,215 km (0.089 R)
• M12: 15,177,153 km (0.103 R)
• M13: 15,731,114 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 11.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.3 AU - 3.34 AU

Year: 3329 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,152,641 km

• M1: 147,204 km (0.112 R)
• M2: 847,173 km (0.115 R)
• M3: 1,366,427 km (0.115 R)
• M4: 1,787,545 km (0.071 R)
• M5: 2,408,675 km (0.043 R)
• M6: 2,802,567 km (0.076 R)
• M7: 3,840,327 km (0.088 R)
• M8: 6,235,987 km (0.096 R)
• M9: 6,633,020 km (0.037 R)
• M10: 7,509,514 km (0.091 R)
• M11: 8,495,813 km (0.112 R)
• M12: 8,949,244 km (0.116 R)
• M13: 9,529,384 km (0.047 R)
• M14: 10,886,387 km (0.059 R)
• M15: 11,505,722 km (0.056 R)
• M16: 12,018,095 km (0.097 R)
• M17: 13,552,969 km (0.1 R)
• M18: 14,318,910 km (0.091 R)
• M19: 18,070,226 km (0.114 R)
• M20: 20,202,295 km (0.073 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 11.7

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.16 AU - 3.56 AU

Year: 4329 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,152,641 km

• M1: 145,559 km (0.072 R)
• M2: 609,013 km (0.089 R)
• M3: 1,152,801 km (0.112 R)
• M4: 1,578,258 km (0.03 R)
• M5: 2,286,454 km (0.051 R)
• M6: 2,863,004 km (0.097 R)
• M7: 3,853,641 km (0.086 R)
• M8: 5,007,340 km (0.056 R)
• M9: 5,693,097 km (0.037 R)
• M10: 6,661,144 km (0.098 R)
• M11: 8,961,212 km (0.036 R)
• M12: 10,141,539 km (0.04 R)
• M13: 10,880,104 km (0.066 R)
• M14: 11,747,622 km (0.105 R)
• M15: 12,415,875 km (0.074 R)
• M16: 13,776,169 km (0.119 R)
• M17: 14,251,142 km (0.081 R)
• M18: 16,260,690 km (0.086 R)
• M19: 17,030,820 km (0.1 R)
• M20: 17,825,035 km (0.062 R)
• M21: 18,325,889 km (0.051 R)
• M22: 19,159,897 km (0.074 R)
• M23: 21,885,420 km (0.071 R)
• M24: 24,320,724 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.1

Radius: 11.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.36 AU - 3.44 AU

Year: 4407 Days

Day: 11.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,152,641 km

• M1: 138,228 km (0.074 R)
• M2: 695,181 km (0.1 R)
• M3: 1,518,568 km (0.102 R)
• M4: 2,053,680 km (0.098 R)
• M5: 2,626,639 km (0.113 R)
• M6: 3,780,937 km (0.089 R)
• M7: 4,545,980 km (0.11 R)
• M8: 5,219,021 km (0.109 R)
• M9: 6,476,840 km (0.108 R)
• M10: 7,363,806 km (0.051 R)
• M11: 7,926,593 km (0.12 R)
• M12: 10,040,560 km (0.03 R)
• M13: 11,182,142 km (0.03 R)
• M14: 11,643,501 km (0.1 R)
• M15: 14,197,436 km (0.088 R)
• M16: 15,406,636 km (0.112 R)
• M17: 16,564,374 km (0.058 R)
• M18: 19,578,322 km (0.113 R)
• M19: 20,046,414 km (0.089 R)
• M20: 21,566,627 km (0.042 R)
• M21: 22,500,268 km (0.084 R)
• M22: 23,610,733 km (0.039 R)
• M23: 24,913,132 km (0.103 R)
• M24: 25,542,191 km (0.07 R)
• M25: 26,262,654 km (0.092 R)
• M26: 26,914,452 km (0.115 R)
• M27: 27,912,270 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.2

Radius: 8

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.64 AU - 5.12 AU

Year: 7578 Days

Day: 10.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,152,641 km

• M1: 99,483 km (0.054 R)
• M2: 360,531 km (0.093 R)
• M3: 611,107 km (0.089 R)
• M4: 910,303 km (0.087 R)
• M5: 1,405,771 km (0.084 R)
• M6: 1,941,631 km (0.114 R)
• M7: 2,345,844 km (0.115 R)
• M8: 2,665,385 km (0.113 R)
• M9: 3,486,378 km (0.096 R)
• M10: 4,245,887 km (0.054 R)
• M11: 5,111,161 km (0.113 R)
• M12: 5,717,032 km (0.072 R)
• M13: 8,540,542 km (0.079 R)
• M14: 9,208,946 km (0.116 R)
• M15: 11,006,663 km (0.066 R)
• M16: 12,797,051 km (0.045 R)
• M17: 13,911,704 km (0.109 R)
• M18: 18,287,143 km (0.106 R)
• M19: 18,651,863 km (0.051 R)
• M20: 20,392,434 km (0.076 R)
• M21: 21,022,390 km (0.112 R)
• M22: 22,570,728 km (0.087 R)
• M23: 23,586,797 km (0.06 R)
• M24: 27,478,885 km (0.101 R)
• M25: 29,626,662 km (0.105 R)
• M26: 36,506,967 km (0.1 R)
• M27: 38,737,770 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.8

Radius: 7.5

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.96 AU - 6.9 AU

Year: 10151 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,152,641 km

• M1: 93,349 km (0.057 R)
• M2: 405,261 km (0.078 R)
• M3: 648,656 km (0.101 R)
• M4: 943,514 km (0.068 R)
• M5: 1,571,077 km (0.059 R)
• M6: 2,061,907 km (0.084 R)
• M7: 2,841,612 km (0.042 R)
• M8: 3,347,103 km (0.12 R)
• M9: 3,965,391 km (0.089 R)
• M10: 5,597,952 km (0.069 R)
• M11: 6,429,567 km (0.114 R)
• M12: 7,892,933 km (0.111 R)
• M13: 8,609,657 km (0.056 R)
• M14: 9,467,002 km (0.073 R)
• M15: 12,380,421 km (0.044 R)
• M16: 13,470,989 km (0.101 R)
• M17: 14,297,667 km (0.11 R)
• M18: 15,023,067 km (0.105 R)
• M19: 23,498,385 km (0.066 R)
• M20: 27,912,270 km (0.069 R)
• M21: 32,622,957 km (0.107 R)
• M22: 34,811,275 km (0.09 R)
• M23: 44,407,081 km (0.097 R)
• M24: 44,823,860 km (0.104 R)
• M25: 49,284,121 km (0.106 R)
• M26: 49,880,418 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.1

Radius: 6.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.89 AU - 9.81 AU

Year: 18506 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,152,641 km

• M1: 90,058 km (0.108 R)
• M2: 510,877 km (0.103 R)
• M3: 1,161,478 km (0.113 R)
• M4: 1,410,708 km (0.084 R)
• M5: 2,965,329 km (0.062 R)
• M6: 3,511,212 km (0.109 R)
• M7: 4,178,568 km (0.116 R)
• M8: 4,409,098 km (0.092 R)
• M9: 5,350,517 km (0.098 R)
• M10: 11,008,758 km (0.089 R)
• M11: 12,664,507 km (0.109 R)
• M12: 12,965,947 km (0.09 R)
• M13: 13,333,957 km (0.083 R)
• M14: 23,391,123 km (0.107 R)
• M15: 43,419,884 km (0.071 R)
• M16: 43,693,200 km (0.112 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: 168 - 19,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit