🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 9.6

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 9.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,460,242 km

• M1: 119,379 km (0.11 R)
• M2: 442,660 km (0.082 R)
• M3: 802,293 km (0.087 R)
• M4: 1,251,536 km (0.037 R)
• M5: 1,644,978 km (0.088 R)
• M6: 1,976,936 km (0.119 R)
• M7: 2,506,213 km (0.105 R)
• M8: 2,938,551 km (0.072 R)
• M9: 3,993,964 km (0.112 R)
• M10: 4,382,619 km (0.091 R)
• M11: 4,720,561 km (0.096 R)
• M12: 5,203,612 km (0.085 R)
• M13: 5,549,483 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 8.9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.84 AU - 0.94 AU

Year: 551 Days

Day: 7.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,460,242 km

• M1: 110,702 km (0.103 R)
• M2: 444,006 km (0.087 R)
• M3: 755,469 km (0.081 R)
• M4: 1,082,490 km (0.116 R)
• M5: 1,430,455 km (0.093 R)
• M6: 2,236,638 km (0.086 R)
• M7: 2,561,116 km (0.057 R)
• M8: 2,939,149 km (0.111 R)
• M9: 3,463,789 km (0.109 R)
• M10: 3,873,986 km (0.105 R)
• M11: 4,402,965 km (0.081 R)
• M12: 4,869,411 km (0.109 R)
• M13: 5,553,671 km (0.101 R)
• M14: 6,098,806 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.3

Radius: 12.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.02 AU - 3.16 AU

Year: 2734 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,460,242 km

• M1: 159,172 km (0.077 R)
• M2: 625,917 km (0.11 R)
• M3: 1,213,987 km (0.111 R)
• M4: 2,219,434 km (0.109 R)
• M5: 4,036,300 km (0.104 R)
• M6: 4,526,682 km (0.053 R)
• M7: 5,673,798 km (0.12 R)
• M8: 7,355,877 km (0.075 R)
• M9: 8,476,664 km (0.109 R)
• M10: 9,349,269 km (0.055 R)
• M11: 9,907,717 km (0.113 R)
• M12: 11,457,252 km (0.104 R)
• M13: 13,001,252 km (0.101 R)
• M14: 13,449,148 km (0.095 R)
• M15: 14,204,467 km (0.116 R)
• M16: 14,636,057 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 13

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.1 AU - 5.94 AU

Year: 7378 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,460,242 km

• M1: 161,715 km (0.041 R)
• M2: 1,317,060 km (0.034 R)
• M3: 4,356,290 km (0.071 R)
• M4: 5,020,505 km (0.106 R)
• M5: 5,885,479 km (0.065 R)
• M6: 6,336,218 km (0.103 R)
• M7: 6,772,744 km (0.077 R)
• M8: 7,994,660 km (0.091 R)
• M9: 8,992,627 km (0.052 R)
• M10: 9,830,076 km (0.082 R)
• M11: 11,932,076 km (0.057 R)
• M12: 13,411,150 km (0.102 R)
• M13: 13,950,600 km (0.089 R)
• M14: 15,073,182 km (0.119 R)
• M15: 17,286,483 km (0.106 R)
• M16: 18,070,076 km (0.102 R)
• M17: 18,507,501 km (0.034 R)
• M18: 20,328,107 km (0.063 R)
• M19: 21,040,791 km (0.076 R)
• M20: 23,710,215 km (0.118 R)
• M21: 25,763,296 km (0.114 R)
• M22: 26,504,404 km (0.115 R)
• M23: 27,355,167 km (0.109 R)
• M24: 28,517,692 km (0.029 R)
• M25: 31,357,958 km (0.091 R)
• M26: 38,189,494 km (0.105 R)
• M27: 42,397,383 km (0.055 R)
• M28: 43,041,252 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 10.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.96 AU - 6.12 AU

Year: 8554 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,460,242 km

• M1: 133,142 km (0.048 R)
• M2: 510,727 km (0.079 R)
• M3: 1,067,231 km (0.066 R)
• M4: 1,494,632 km (0.1 R)
• M5: 2,067,742 km (0.041 R)
• M6: 2,570,989 km (0.065 R)
• M7: 3,219,795 km (0.069 R)
• M8: 3,899,268 km (0.119 R)
• M9: 5,049,676 km (0.111 R)
• M10: 6,102,247 km (0.111 R)
• M11: 6,955,553 km (0.044 R)
• M12: 7,528,064 km (0.117 R)
• M13: 8,131,691 km (0.094 R)
• M14: 8,509,127 km (0.095 R)
• M15: 9,481,513 km (0.112 R)
• M16: 10,137,949 km (0.062 R)
• M17: 10,575,672 km (0.043 R)
• M18: 10,924,833 km (0.118 R)
• M19: 12,787,776 km (0.085 R)
• M20: 14,853,722 km (0.109 R)
• M21: 15,739,192 km (0.098 R)
• M22: 17,615,448 km (0.114 R)
• M23: 18,248,995 km (0.073 R)
• M24: 19,561,567 km (0.116 R)
• M25: 27,268,101 km (0.117 R)
• M26: 28,690,927 km (0.108 R)
• M27: 29,078,535 km (0.06 R)
• M28: 32,726,479 km (0.081 R)
• M29: 35,878,656 km (0.049 R)
• M30: 39,585,691 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.8

Radius: 4.4

Gravity: 41.62 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.31 AU - 7.41 AU

Year: 11787 Days

Day: 15.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 56,460,242 km

• M1: 54,902 km (0.059 R)
• M2: 193,430 km (0.082 R)
• M3: 607,517 km (0.077 R)
• M4: 805,585 km (0.119 R)
• M5: 1,012,179 km (0.053 R)
• M6: 1,202,318 km (0.043 R)
• M7: 2,045,152 km (0.044 R)
• M8: 2,350,781 km (0.099 R)
• M9: 2,578,170 km (0.1 R)
• M10: 2,865,697 km (0.099 R)
• M11: 3,374,928 km (0.099 R)
• M12: 3,942,203 km (0.097 R)
• M13: 5,263,451 km (0.106 R)
• M14: 5,726,008 km (0.108 R)
• M15: 7,804,222 km (0.101 R)
• M16: 8,031,610 km (0.087 R)
• M17: 8,692,085 km (0.113 R)
• M18: 8,887,310 km (0.117 R)
• M19: 9,439,177 km (0.044 R)
• M20: 9,749,742 km (0.106 R)
• M21: 10,834,027 km (0.081 R)
• M22: 12,299,339 km (0.116 R)
• M23: 12,545,427 km (0.115 R)
• M24: 14,841,156 km (0.081 R)
• M25: 16,717,412 km (0.07 R)
• M26: 16,943,604 km (0.106 R)
• M27: 17,095,446 km (0.06 R)
• M28: 17,325,079 km (0.111 R)
• M29: 18,026,244 km (0.086 R)
• M30: 18,504,060 km (0.111 R)
• M31: 26,107,820 km (0.055 R)
• M32: 26,514,427 km (0.104 R)
• M33: 26,719,227 km (0.102 R)
• M34: 27,235,938 km (0.07 R)
• M35: 30,701,971 km (0.108 R)
• M36: 33,248,276 km (0.042 R)
• M37: 34,208,096 km (0.056 R)
• M38: 36,561,271 km (0.109 R)
• M39: 46,308,769 km (0.096 R)
• M40: 48,568,295 km (0.068 R)
• M41: 49,492,361 km (0.03 R)
• M42: 53,143,148 km (0.083 R)
• M43: 55,117,241 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 13,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit