🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.5

Radius: 9.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.88 AU - 1.08 AU

Year: 636 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,172,424 km

• M1: 119,828 km (0.057 R)
• M2: 514,617 km (0.118 R)
• M3: 1,525,150 km (0.117 R)
• M4: 1,974,991 km (0.093 R)
• M5: 2,306,949 km (0.094 R)
• M6: 3,050,301 km (0.066 R)
• M7: 3,729,625 km (0.114 R)
• M8: 4,212,227 km (0.063 R)
• M9: 4,909,353 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.4

Radius: 8.6

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.9 AU - 3.82 AU

Year: 4040 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,172,424 km

• M1: 110,702 km (0.103 R)
• M2: 388,206 km (0.081 R)
• M3: 707,748 km (0.08 R)
• M4: 1,216,979 km (0.098 R)
• M5: 1,765,704 km (0.107 R)
• M6: 2,421,840 km (0.074 R)
• M7: 3,211,717 km (0.116 R)
• M8: 3,797,692 km (0.116 R)
• M9: 4,403,862 km (0.077 R)
• M10: 4,756,165 km (0.047 R)
• M11: 5,778,816 km (0.115 R)
• M12: 6,048,392 km (0.071 R)
• M13: 7,631,137 km (0.078 R)
• M14: 8,328,113 km (0.095 R)
• M15: 8,634,041 km (0.11 R)
• M16: 9,806,290 km (0.072 R)
• M17: 11,219,242 km (0.099 R)
• M18: 11,498,691 km (0.104 R)
• M19: 12,612,896 km (0.104 R)
• M20: 17,050,268 km (0.072 R)
• M21: 18,821,207 km (0.084 R)
• M22: 21,062,034 km (0.084 R)
• M23: 22,503,409 km (0.03 R)
• M24: 24,396,122 km (0.093 R)
• M25: 25,421,166 km (0.113 R)
• M26: 27,810,992 km (0.076 R)
• M27: 28,237,645 km (0.1 R)
• M28: 28,582,020 km (0.058 R)
• M29: 29,191,631 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 14.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.61 AU - 5.89 AU

Year: 6791 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,172,424 km

• M1: 185,352 km (0.07 R)
• M2: 757,863 km (0.025 R)
• M3: 1,244,953 km (0.085 R)
• M4: 2,732,854 km (0.087 R)
• M5: 3,434,917 km (0.119 R)
• M6: 3,898,521 km (0.099 R)
• M7: 5,578,654 km (0.053 R)
• M8: 6,614,919 km (0.117 R)
• M9: 8,230,576 km (0.074 R)
• M10: 9,110,510 km (0.114 R)
• M11: 10,140,940 km (0.103 R)
• M12: 12,639,524 km (0.115 R)
• M13: 13,866,376 km (0.098 R)
• M14: 15,112,826 km (0.108 R)
• M15: 16,994,318 km (0.096 R)
• M16: 21,439,469 km (0.035 R)
• M17: 28,707,383 km (0.118 R)
• M18: 30,354,306 km (0.097 R)
• M19: 32,647,043 km (0.061 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.6

Radius: 5.6

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.35 AU - 8.53 AU

Year: 13313 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,172,424 km

• M1: 69,713 km (0.093 R)
• M2: 281,693 km (0.088 R)
• M3: 559,047 km (0.091 R)
• M4: 794,065 km (0.112 R)
• M5: 1,149,360 km (0.114 R)
• M6: 1,549,236 km (0.042 R)
• M7: 2,953,960 km (0.051 R)
• M8: 3,266,769 km (0.11 R)
• M9: 4,200,409 km (0.106 R)
• M10: 4,985,798 km (0.076 R)
• M11: 5,561,151 km (0.12 R)
• M12: 7,113,379 km (0.117 R)
• M13: 7,350,791 km (0.082 R)
• M14: 13,283,842 km (0.095 R)
• M15: 15,412,769 km (0.104 R)
• M16: 17,257,461 km (0.094 R)
• M17: 19,397,608 km (0.096 R)
• M18: 20,571,054 km (0.052 R)
• M19: 21,874,051 km (0.113 R)
• M20: 22,376,550 km (0.081 R)
• M21: 23,842,161 km (0.084 R)
• M22: 24,914,329 km (0.116 R)
• M23: 28,225,079 km (0.105 R)
• M24: 29,222,149 km (0.101 R)
• M25: 30,449,450 km (0.086 R)
• M26: 33,116,032 km (0.07 R)
• M27: 33,446,194 km (0.108 R)
• M28: 34,901,931 km (0.087 R)
• M29: 35,129,619 km (0.083 R)
• M30: 37,819,389 km (0.082 R)
• M31: 39,030,533 km (0.096 R)
• M32: 40,643,348 km (0.119 R)
• M33: 44,667,680 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.8

Radius: 7.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.42 AU - 9.84 AU

Year: 18097 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,172,424 km

• M1: 96,191 km (0.055 R)
• M2: 476,768 km (0.069 R)
• M3: 998,715 km (0.065 R)
• M4: 1,515,726 km (0.092 R)
• M5: 2,767,561 km (0.1 R)
• M6: 3,916,622 km (0.105 R)
• M7: 4,998,364 km (0.091 R)
• M8: 6,084,295 km (0.056 R)
• M9: 6,721,432 km (0.111 R)
• M10: 8,994,422 km (0.097 R)
• M11: 9,280,454 km (0.072 R)
• M12: 10,123,886 km (0.092 R)
• M13: 11,126,042 km (0.1 R)
• M14: 15,869,941 km (0.082 R)
• M15: 17,001,349 km (0.115 R)
• M16: 22,675,896 km (0.084 R)
• M17: 24,476,755 km (0.097 R)
• M18: 27,552,936 km (0.095 R)
• M19: 29,079,881 km (0.115 R)
• M20: 30,877,749 km (0.117 R)
• M21: 31,202,525 km (0.115 R)
• M22: 35,044,348 km (0.074 R)
• M23: 35,872,672 km (0.042 R)
• M24: 36,714,010 km (0.074 R)
• M25: 39,063,744 km (0.06 R)
• M26: 41,380,566 km (0.109 R)
• M27: 44,060,612 km (0.091 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 18,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit