🌌 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: 715.2

Radius: 14

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.5 AU - 0.58 AU

Year: 265 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,053,813 km

• M1: 174,282 km (0.066 R)
• M2: 612,603 km (0.083 R)
• M3: 1,096,403 km (0.057 R)
• M4: 1,577,360 km (0.051 R)
• M5: 2,186,373 km (0.117 R)
• M6: 2,865,398 km (0.086 R)
• M7: 3,390,486 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 14.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.68 AU - 1.68 AU

Year: 1452 Days

Day: 8.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,053,813 km

• M1: 176,525 km (0.096 R)
• M2: 624,870 km (0.096 R)
• M3: 1,534,874 km (0.086 R)
• M4: 2,168,870 km (0.098 R)
• M5: 3,028,459 km (0.058 R)
• M6: 3,907,048 km (0.091 R)
• M7: 4,487,039 km (0.079 R)
• M8: 5,007,490 km (0.105 R)
• M9: 5,485,604 km (0.06 R)
• M10: 6,193,053 km (0.091 R)
• M11: 7,009,259 km (0.09 R)
• M12: 7,558,283 km (0.12 R)
• M13: 9,232,732 km (0.108 R)
• M14: 9,801,652 km (0.116 R)
• M15: 10,457,789 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 8.9

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.39 AU - 2.17 AU

Year: 1584 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,053,813 km

• M1: 110,852 km (0.11 R)
• M2: 534,962 km (0.103 R)
• M3: 854,952 km (0.044 R)
• M4: 1,290,132 km (0.074 R)
• M5: 1,780,364 km (0.119 R)
• M6: 3,006,917 km (0.059 R)
• M7: 4,039,890 km (0.058 R)
• M8: 6,384,837 km (0.114 R)
• M9: 6,910,075 km (0.116 R)
• M10: 7,858,227 km (0.078 R)
• M11: 8,717,218 km (0.087 R)
• M12: 9,637,544 km (0.118 R)
• M13: 11,705,435 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.3

Radius: 8.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.03 AU - 2.35 AU

Year: 2161 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,053,813 km

• M1: 110,702 km (0.043 R)
• M2: 477,516 km (0.058 R)
• M3: 775,665 km (0.051 R)
• M4: 1,075,908 km (0.094 R)
• M5: 1,463,815 km (0.106 R)
• M6: 1,743,862 km (0.049 R)
• M7: 2,060,112 km (0.118 R)
• M8: 2,665,086 km (0.027 R)
• M9: 3,145,445 km (0.113 R)
• M10: 3,914,079 km (0.096 R)
• M11: 4,443,206 km (0.078 R)
• M12: 6,923,988 km (0.072 R)
• M13: 7,565,613 km (0.104 R)
• M14: 8,134,683 km (0.111 R)
• M15: 8,615,940 km (0.118 R)
• M16: 9,206,403 km (0.106 R)
• M17: 10,045,946 km (0.096 R)
• M18: 11,522,178 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 8.3

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.43 AU - 4.81 AU

Year: 5577 Days

Day: 5.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,053,813 km

• M1: 103,223 km (0.083 R)
• M2: 391,198 km (0.109 R)
• M3: 770,728 km (0.114 R)
• M4: 1,051,374 km (0.076 R)
• M5: 1,497,325 km (0.082 R)
• M6: 2,675,109 km (0.115 R)
• M7: 3,022,775 km (0.074 R)
• M8: 4,099,879 km (0.114 R)
• M9: 4,483,897 km (0.114 R)
• M10: 4,808,225 km (0.084 R)
• M11: 5,413,797 km (0.112 R)
• M12: 6,637,358 km (0.11 R)
• M13: 9,620,938 km (0.051 R)
• M14: 9,889,018 km (0.092 R)
• M15: 10,818,918 km (0.084 R)
• M16: 11,255,893 km (0.106 R)
• M17: 11,603,858 km (0.104 R)
• M18: 13,452,738 km (0.112 R)
• M19: 18,263,506 km (0.112 R)
• M20: 19,731,510 km (0.028 R)
• M21: 23,299,270 km (0.103 R)
• M22: 26,481,067 km (0.118 R)
• M23: 34,623,530 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.2

Radius: 4.5

Gravity: 41.54 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.95 AU - 8.45 AU

Year: 12883 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,053,813 km

• M1: 55,950 km (0.106 R)
• M2: 205,398 km (0.061 R)
• M3: 472,430 km (0.098 R)
• M4: 626,366 km (0.102 R)
• M5: 1,237,922 km (0.061 R)
• M6: 1,403,228 km (0.082 R)
• M7: 1,900,043 km (0.118 R)
• M8: 2,400,597 km (0.118 R)
• M9: 3,855,137 km (0.114 R)
• M10: 4,554,507 km (0.07 R)
• M11: 7,691,425 km (0.103 R)
• M12: 8,301,335 km (0.073 R)
• M13: 9,095,551 km (0.097 R)
• M14: 10,379,998 km (0.105 R)
• M15: 11,479,093 km (0.104 R)
• M16: 12,337,037 km (0.119 R)
• M17: 16,653,983 km (0.115 R)
• M18: 18,073,667 km (0.111 R)
• M19: 21,879,736 km (0.047 R)
• M20: 25,061,682 km (0.1 R)
• M21: 27,239,528 km (0.095 R)
• M22: 29,427,846 km (0.072 R)
• M23: 37,741,000 km (0.119 R)
• M24: 41,293,051 km (0.083 R)
• M25: 43,005,199 km (0.097 R)
• M26: 47,491,190 km (0.105 R)
• M27: 52,940,891 km (0.091 R)
• M28: 55,472,237 km (0.111 R)
• M29: 56,506,856 km (0.08 R)
• M30: 58,614,839 km (0.101 R)
• M31: 60,048,884 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.8

Radius: 4.4

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.16 AU - 10.96 AU

Year: 21278 Days

Day: 19.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,053,813 km

• M1: 55,052 km (0.084 R)
• M2: 194,328 km (0.081 R)
• M3: 961,017 km (0.115 R)
• M4: 1,716,486 km (0.083 R)
• M5: 2,235,291 km (0.085 R)
• M6: 3,390,337 km (0.086 R)
• M7: 3,602,167 km (0.071 R)
• M8: 4,321,134 km (0.089 R)
• M9: 5,737,078 km (0.058 R)
• M10: 5,999,772 km (0.098 R)
• M11: 9,086,425 km (0.045 R)
• M12: 10,077,511 km (0.059 R)
• M13: 11,785,769 km (0.111 R)
• M14: 13,677,883 km (0.093 R)
• M15: 15,618,018 km (0.069 R)
• M16: 15,763,128 km (0.026 R)
• M17: 18,131,112 km (0.065 R)
• M18: 19,778,334 km (0.099 R)
• M19: 21,612,704 km (0.083 R)
• M20: 27,157,100 km (0.116 R)
• M21: 28,218,347 km (0.08 R)
• M22: 33,337,885 km (0.118 R)
• M23: 33,942,261 km (0.106 R)
• M24: 38,247,239 km (0.065 R)
• M25: 42,054,804 km (0.116 R)
• M26: 44,631,328 km (0.078 R)
• M27: 51,368,618 km (0.077 R)
• M28: 55,821,099 km (0.039 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 13,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit