🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 8.9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.07 AU - 1.21 AU

Year: 856 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,895,928 km

• M1: 110,702 km (0.065 R)
• M2: 398,379 km (0.091 R)
• M3: 718,219 km (0.025 R)
• M4: 1,097,450 km (0.112 R)
• M5: 1,379,442 km (0.081 R)
• M6: 1,863,541 km (0.09 R)
• M7: 2,335,672 km (0.101 R)
• M8: 2,641,749 km (0.067 R)
• M9: 3,252,856 km (0.057 R)
• M10: 3,606,954 km (0.115 R)
• M11: 4,844,577 km (0.034 R)
• M12: 5,462,117 km (0.034 R)
• M13: 6,026,401 km (0.105 R)
• M14: 6,876,565 km (0.102 R)
• M15: 7,200,594 km (0.089 R)
• M16: 8,259,897 km (0.07 R)
• M17: 9,307,531 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 10.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.38 AU - 1.58 AU

Year: 1266 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,895,928 km

• M1: 133,142 km (0.065 R)
• M2: 519,105 km (0.065 R)
• M3: 915,090 km (0.119 R)
• M4: 1,285,943 km (0.081 R)
• M5: 2,102,897 km (0.086 R)
• M6: 2,492,749 km (0.069 R)
• M7: 2,902,797 km (0.112 R)
• M8: 3,404,399 km (0.042 R)
• M9: 3,792,755 km (0.088 R)
• M10: 4,835,452 km (0.071 R)
• M11: 5,921,682 km (0.09 R)
• M12: 7,137,614 km (0.117 R)
• M13: 7,559,779 km (0.117 R)
• M14: 10,320,757 km (0.089 R)
• M15: 10,724,522 km (0.099 R)
• M16: 11,492,408 km (0.072 R)
• M17: 12,334,045 km (0.084 R)
• M18: 13,137,835 km (0.106 R)

Asteroid Belt

Center: 2.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.2

Radius: 9.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.54 AU - 3.94 AU

Year: 4099 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,895,928 km

• M1: 129,402 km (0.088 R)
• M2: 448,195 km (0.11 R)
• M3: 887,115 km (0.054 R)
• M4: 1,308,981 km (0.069 R)
• M5: 1,895,405 km (0.097 R)
• M6: 2,789,551 km (0.108 R)
• M7: 3,323,765 km (0.095 R)
• M8: 3,676,068 km (0.102 R)
• M9: 4,319,190 km (0.047 R)
• M10: 6,729,959 km (0.094 R)
• M11: 8,131,691 km (0.115 R)
• M12: 10,621,299 km (0.094 R)
• M13: 13,162,219 km (0.036 R)
• M14: 14,485,263 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.9

Radius: 7.4

Gravity: 17.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.73 AU - 6.27 AU

Year: 10331 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,895,928 km

• M1: 92,152 km (0.071 R)
• M2: 447,298 km (0.09 R)
• M3: 797,207 km (0.042 R)
• M4: 1,297,762 km (0.102 R)
• M5: 1,618,649 km (0.118 R)
• M6: 2,362,450 km (0.119 R)
• M7: 2,866,894 km (0.111 R)
• M8: 3,466,482 km (0.064 R)
• M9: 4,978,019 km (0.1 R)
• M10: 7,131,929 km (0.102 R)
• M11: 7,514,301 km (0.108 R)
• M12: 10,476,488 km (0.117 R)
• M13: 11,082,958 km (0.037 R)
• M14: 11,712,466 km (0.052 R)
• M15: 12,125,356 km (0.113 R)
• M16: 14,071,475 km (0.101 R)
• M17: 14,946,323 km (0.108 R)
• M18: 18,650,815 km (0.11 R)
• M19: 18,890,770 km (0.084 R)
• M20: 20,205,736 km (0.053 R)
• M21: 24,707,136 km (0.04 R)
• M22: 25,484,446 km (0.107 R)
• M23: 26,478,823 km (0.065 R)
• M24: 28,439,004 km (0.117 R)
• M25: 34,655,244 km (0.081 R)
• M26: 35,875,065 km (0.065 R)
• M27: 38,529,231 km (0.117 R)
• M28: 39,311,029 km (0.098 R)
• M29: 39,970,457 km (0.117 R)
• M30: 42,267,981 km (0.074 R)
• M31: 42,960,170 km (0.107 R)
• M32: 52,181,532 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.5

Radius: 6.4

Gravity: 18.05 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.37 AU - 7.09 AU

Year: 10931 Days

Day: 15.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,895,928 km

• M1: 79,586 km (0.118 R)
• M2: 309,368 km (0.119 R)
• M3: 747,092 km (0.092 R)
• M4: 953,686 km (0.087 R)
• M5: 1,210,995 km (0.102 R)
• M6: 1,572,274 km (0.088 R)
• M7: 1,818,961 km (0.076 R)
• M8: 2,020,768 km (0.053 R)
• M9: 3,075,882 km (0.103 R)
• M10: 3,438,806 km (0.049 R)
• M11: 3,857,231 km (0.103 R)
• M12: 6,513,940 km (0.071 R)
• M13: 6,789,051 km (0.09 R)
• M14: 7,923,750 km (0.025 R)
• M15: 8,842,132 km (0.071 R)
• M16: 9,880,790 km (0.049 R)
• M17: 11,502,131 km (0.037 R)
• M18: 13,106,269 km (0.079 R)
• M19: 13,355,948 km (0.025 R)
• M20: 16,101,817 km (0.096 R)
• M21: 17,268,531 km (0.083 R)
• M22: 18,647,075 km (0.092 R)
• M23: 19,605,848 km (0.098 R)
• M24: 24,612,739 km (0.097 R)
• M25: 29,760,552 km (0.041 R)
• M26: 32,413,670 km (0.025 R)
• M27: 33,797,600 km (0.086 R)
• M28: 34,032,020 km (0.056 R)
• M29: 39,209,153 km (0.045 R)
• M30: 42,119,580 km (0.094 R)
• M31: 42,391,100 km (0.04 R)
• M32: 44,184,479 km (0.071 R)
• M33: 49,112,981 km (0.109 R)
• M34: 51,090,216 km (0.097 R)
• M35: 52,176,596 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.7

Radius: 6.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.84 AU - 6.84 AU

Year: 12575 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,895,928 km

• M1: 84,523 km (0.112 R)
• M2: 301,739 km (0.038 R)
• M3: 522,845 km (0.053 R)
• M4: 959,820 km (0.116 R)
• M5: 1,766,601 km (0.035 R)
• M6: 2,603,601 km (0.112 R)
• M7: 3,957,163 km (0.056 R)
• M8: 5,206,903 km (0.053 R)
• M9: 6,459,935 km (0.084 R)
• M10: 8,844,376 km (0.062 R)
• M11: 12,608,707 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.8

Radius: 5.2

Gravity: 25.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.84 AU - 9.8 AU

Year: 20000 Days

Day: 23.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,895,928 km

• M1: 65,225 km (0.098 R)
• M2: 1,292,675 km (0.099 R)
• M3: 2,412,266 km (0.116 R)
• M4: 3,428,634 km (0.115 R)
• M5: 4,459,961 km (0.087 R)
• M6: 4,738,213 km (0.06 R)
• M7: 5,763,557 km (0.068 R)
• M8: 16,773,960 km (0.105 R)
• M9: 17,446,852 km (0.115 R)
• M10: 21,471,932 km (0.069 R)
• M11: 22,465,860 km (0.101 R)
• M12: 22,974,194 km (0.092 R)
• M13: 30,174,639 km (0.076 R)
• M14: 32,700,150 km (0.09 R)
• M15: 35,912,315 km (0.053 R)
• M16: 42,645,117 km (0.063 R)
• M17: 51,917,941 km (0.092 R)
• M18: 54,429,390 km (0.117 R)
• M19: 55,900,236 km (0.114 R)
• M20: 60,667,472 km (0.085 R)
• M21: 61,652,274 km (0.099 R)
• M22: 73,198,687 km (0.074 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: 333 - 12,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit