🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 14.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.73 AU - 0.79 AU

Year: 428 Days

Day: 12.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,658,956 km

• M1: 176,525 km (0.106 R)
• M2: 671,694 km (0.038 R)
• M3: 1,118,094 km (0.055 R)
• M4: 1,706,912 km (0.057 R)
• M5: 2,174,106 km (0.077 R)
• M6: 2,644,591 km (0.1 R)
• M7: 3,204,686 km (0.058 R)
• M8: 3,690,729 km (0.119 R)
• M9: 4,137,428 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 14.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.28 AU - 1.32 AU

Year: 957 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,658,956 km

• M1: 182,210 km (0.082 R)
• M2: 705,055 km (0.115 R)
• M3: 1,290,282 km (0.06 R)
• M4: 1,816,717 km (0.091 R)
• M5: 2,330,436 km (0.116 R)
• M6: 2,851,635 km (0.09 R)
• M7: 3,465,734 km (0.097 R)
• M8: 4,267,728 km (0.061 R)
• M9: 5,133,002 km (0.097 R)
• M10: 5,772,832 km (0.113 R)
• M11: 6,647,381 km (0.118 R)
• M12: 7,140,905 km (0.104 R)
• M13: 9,308,129 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 10.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.41 AU - 2.81 AU

Year: 2723 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,658,956 km

• M1: 133,740 km (0.105 R)
• M2: 523,892 km (0.055 R)
• M3: 932,743 km (0.116 R)
• M4: 1,775,128 km (0.099 R)
• M5: 2,592,681 km (0.104 R)
• M6: 4,524,288 km (0.068 R)
• M7: 5,048,779 km (0.078 R)
• M8: 6,757,336 km (0.119 R)
• M9: 7,152,125 km (0.053 R)
• M10: 7,712,668 km (0.102 R)
• M11: 11,472,212 km (0.114 R)
• M12: 11,953,767 km (0.099 R)
• M13: 12,407,049 km (0.108 R)
• M14: 13,000,354 km (0.115 R)
• M15: 15,131,675 km (0.116 R)
• M16: 15,711,068 km (0.083 R)
• M17: 17,017,356 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.5

Radius: 5.2

Gravity: 21.99 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.06 AU - 8.4 AU

Year: 11273 Days

Day: 19 Hours

Environment

Temp: -216 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,658,956 km

• M1: 64,626 km (0.098 R)
• M2: 238,309 km (0.114 R)
• M3: 484,548 km (0.07 R)
• M4: 674,387 km (0.096 R)
• M5: 1,581,249 km (0.101 R)
• M6: 1,991,447 km (0.078 R)
• M7: 2,909,230 km (0.075 R)
• M8: 3,625,355 km (0.081 R)
• M9: 4,364,518 km (0.087 R)
• M10: 4,601,780 km (0.076 R)
• M11: 5,432,497 km (0.089 R)
• M12: 5,990,946 km (0.118 R)
• M13: 7,896,075 km (0.08 R)
• M14: 8,070,955 km (0.112 R)
• M15: 9,320,845 km (0.064 R)
• M16: 12,024,078 km (0.116 R)
• M17: 13,710,046 km (0.064 R)
• M18: 13,899,587 km (0.118 R)
• M19: 15,006,761 km (0.079 R)
• M20: 17,174,883 km (0.12 R)
• M21: 18,067,384 km (0.103 R)
• M22: 18,756,880 km (0.072 R)
• M23: 19,623,052 km (0.112 R)
• M24: 20,106,552 km (0.105 R)
• M25: 25,865,472 km (0.066 R)
• M26: 26,154,944 km (0.111 R)
• M27: 28,755,553 km (0.104 R)
• M28: 29,066,268 km (0.052 R)
• M29: 31,633,218 km (0.116 R)
• M30: 32,075,279 km (0.077 R)
• M31: 33,425,999 km (0.035 R)
• M32: 34,231,284 km (0.114 R)
• M33: 34,463,759 km (0.044 R)
• M34: 43,686,169 km (0.098 R)
• M35: 44,096,815 km (0.082 R)
• M36: 48,932,566 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.1

Radius: 6.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.45 AU - 12.19 AU

Year: 22980 Days

Day: 21.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,658,956 km

• M1: 78,389 km (0.096 R)
• M2: 316,699 km (0.081 R)
• M3: 624,571 km (0.036 R)
• M4: 940,372 km (0.092 R)
• M5: 2,372,772 km (0.099 R)
• M6: 3,592,593 km (0.073 R)
• M7: 3,844,815 km (0.088 R)
• M8: 4,078,936 km (0.079 R)
• M9: 9,142,823 km (0.062 R)
• M10: 18,269,790 km (0.072 R)
• M11: 21,656,386 km (0.088 R)
• M12: 21,932,993 km (0.068 R)
• M13: 22,493,386 km (0.081 R)
• M14: 22,777,024 km (0.089 R)
• M15: 26,897,847 km (0.051 R)
• M16: 28,411,628 km (0.111 R)
• M17: 30,787,242 km (0.079 R)
• M18: 46,483,649 km (0.063 R)
• M19: 49,771,062 km (0.056 R)
• M20: 53,545,715 km (0.083 R)
• M21: 56,107,729 km (0.077 R)
• M22: 60,011,186 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 18,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit