🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 8.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.55 AU - 0.57 AU

Year: 289 Days

Day: 7.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,085,598 km

• M1: 104,719 km (0.112 R)
• M2: 377,585 km (0.072 R)
• M3: 877,990 km (0.065 R)
• M4: 1,407,417 km (0.076 R)
• M5: 1,846,935 km (0.109 R)
• M6: 2,389,676 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 11

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.55 AU - 0.57 AU

Year: 289 Days

Day: 5.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 160.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,085,598 km

• M1: 136,732 km (0.054 R)
• M2: 603,029 km (0.102 R)
• M3: 1,109,717 km (0.055 R)
• M4: 1,701,377 km (0.099 R)
• M5: 2,613,176 km (0.048 R)
• M6: 3,146,492 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.3

Radius: 9.4

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.76 AU - 1.24 AU

Year: 690 Days

Day: 10.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,085,598 km

• M1: 121,174 km (0.095 R)
• M2: 415,882 km (0.074 R)
• M3: 712,684 km (0.075 R)
• M4: 1,565,691 km (0.118 R)
• M5: 2,007,304 km (0.067 R)
• M6: 2,620,506 km (0.094 R)
• M7: 3,065,560 km (0.082 R)
• M8: 3,504,629 km (0.102 R)
• M9: 4,076,991 km (0.111 R)
• M10: 4,918,329 km (0.093 R)
• M11: 5,445,961 km (0.103 R)
• M12: 6,153,110 km (0.111 R)
• M13: 7,121,457 km (0.038 R)
• M14: 7,701,598 km (0.081 R)
• M15: 8,515,410 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 12.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.86 AU - 2.64 AU

Year: 2330 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,085,598 km

• M1: 159,771 km (0.079 R)
• M2: 610,509 km (0.046 R)
• M3: 1,049,579 km (0.117 R)
• M4: 1,499,120 km (0.065 R)
• M5: 2,127,731 km (0.1 R)
• M6: 2,717,595 km (0.072 R)
• M7: 3,197,056 km (0.088 R)
• M8: 3,862,168 km (0.096 R)
• M9: 4,534,012 km (0.092 R)
• M10: 5,009,285 km (0.088 R)
• M11: 5,638,045 km (0.106 R)
• M12: 6,188,864 km (0.078 R)
• M13: 6,802,963 km (0.064 R)
• M14: 8,278,896 km (0.075 R)
• M15: 10,138,397 km (0.054 R)
• M16: 11,458,150 km (0.068 R)
• M17: 11,895,723 km (0.067 R)
• M18: 12,974,623 km (0.106 R)
• M19: 13,892,705 km (0.072 R)
• M20: 14,528,646 km (0.079 R)
• M21: 15,326,751 km (0.046 R)
• M22: 16,005,775 km (0.062 R)
• M23: 17,319,993 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637

Radius: 8

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.6 AU - 2.94 AU

Year: 3182 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,085,598 km

• M1: 100,829 km (0.06 R)
• M2: 430,543 km (0.113 R)
• M3: 697,425 km (0.119 R)
• M4: 1,054,366 km (0.119 R)
• M5: 1,328,728 km (0.119 R)
• M6: 1,874,013 km (0.029 R)
• M7: 2,240,079 km (0.03 R)
• M8: 2,716,398 km (0.073 R)
• M9: 4,077,440 km (0.09 R)
• M10: 4,835,452 km (0.095 R)
• M11: 6,060,958 km (0.118 R)
• M12: 7,046,359 km (0.1 R)
• M13: 7,705,936 km (0.06 R)
• M14: 9,932,850 km (0.061 R)
• M15: 11,172,268 km (0.083 R)
• M16: 11,894,228 km (0.113 R)
• M17: 13,619,989 km (0.051 R)
• M18: 14,246,804 km (0.065 R)
• M19: 18,711,253 km (0.095 R)
• M20: 21,418,974 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.3

Radius: 9.4

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.29 AU - 3.63 AU

Year: 4442 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,085,598 km

• M1: 116,986 km (0.118 R)
• M2: 751,580 km (0.082 R)
• M3: 1,268,740 km (0.068 R)
• M4: 1,748,650 km (0.084 R)
• M5: 2,143,289 km (0.077 R)
• M6: 2,579,666 km (0.109 R)
• M7: 2,902,797 km (0.105 R)
• M8: 4,630,503 km (0.081 R)
• M9: 5,863,189 km (0.034 R)
• M10: 7,372,482 km (0.083 R)
• M11: 8,525,882 km (0.053 R)
• M12: 9,752,734 km (0.092 R)
• M13: 11,233,903 km (0.049 R)
• M14: 12,351,249 km (0.091 R)
• M15: 12,654,633 km (0.084 R)
• M16: 13,223,704 km (0.094 R)
• M17: 14,081,648 km (0.101 R)
• M18: 15,671,873 km (0.1 R)
• M19: 16,267,721 km (0.072 R)
• M20: 17,504,896 km (0.028 R)
• M21: 20,728,131 km (0.054 R)
• M22: 21,301,241 km (0.12 R)
• M23: 21,884,972 km (0.106 R)
• M24: 26,190,548 km (0.077 R)
• M25: 26,607,926 km (0.054 R)
• M26: 28,234,653 km (0.12 R)
• M27: 29,745,442 km (0.088 R)
• M28: 30,751,189 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 12.6

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.5 AU - 5.16 AU

Year: 6219 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,085,598 km

• M1: 177,573 km (0.117 R)
• M2: 612,902 km (0.096 R)
• M3: 1,161,927 km (0.03 R)
• M4: 1,662,930 km (0.109 R)
• M5: 2,717,745 km (0.094 R)
• M6: 3,176,860 km (0.103 R)
• M7: 3,572,248 km (0.085 R)
• M8: 4,075,495 km (0.114 R)
• M9: 4,680,768 km (0.111 R)
• M10: 6,305,849 km (0.116 R)
• M11: 7,117,717 km (0.081 R)
• M12: 9,297,807 km (0.077 R)
• M13: 10,208,260 km (0.04 R)
• M14: 12,853,898 km (0.102 R)
• M15: 14,752,744 km (0.059 R)
• M16: 17,030,222 km (0.076 R)
• M17: 20,948,489 km (0.106 R)
• M18: 21,409,250 km (0.116 R)
• M19: 27,572,982 km (0.064 R)
• M20: 33,870,005 km (0.074 R)
• M21: 34,826,085 km (0.09 R)
• M22: 35,800,117 km (0.112 R)
• M23: 37,915,880 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.5

Radius: 5.2

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.07 AU - 7.13 AU

Year: 13059 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,085,598 km

• M1: 64,776 km (0.111 R)
• M2: 1,653,206 km (0.115 R)
• M3: 2,006,257 km (0.102 R)
• M4: 2,723,579 km (0.089 R)
• M5: 3,066,607 km (0.108 R)
• M6: 4,375,439 km (0.044 R)
• M7: 4,648,305 km (0.062 R)
• M8: 4,932,242 km (0.088 R)
• M9: 6,424,929 km (0.093 R)
• M10: 9,258,313 km (0.085 R)
• M11: 9,799,857 km (0.101 R)
• M12: 13,050,021 km (0.058 R)
• M13: 16,558,091 km (0.064 R)
• M14: 18,246,751 km (0.089 R)
• M15: 32,252,852 km (0.104 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: 327 - 14,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit