🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.8

Radius: 8.6

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.23 AU - 1.83 AU

Year: 1284 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,737,258 km

• M1: 106,962 km (0.064 R)
• M2: 429,944 km (0.112 R)
• M3: 713,432 km (0.081 R)
• M4: 1,023,100 km (0.03 R)
• M5: 1,383,631 km (0.066 R)
• M6: 1,857,258 km (0.088 R)
• M7: 3,086,802 km (0.101 R)
• M8: 3,882,065 km (0.07 R)
• M9: 4,371,699 km (0.093 R)
• M10: 4,732,977 km (0.07 R)
• M11: 5,766,400 km (0.058 R)
• M12: 6,658,452 km (0.083 R)
• M13: 7,310,698 km (0.109 R)
• M14: 7,691,126 km (0.114 R)
• M15: 8,218,907 km (0.05 R)
• M16: 9,287,933 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 11.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.36 AU - 1.84 AU

Year: 1373 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,737,258 km

• M1: 138,079 km (0.081 R)
• M2: 664,663 km (0.117 R)
• M3: 1,779,467 km (0.119 R)
• M4: 2,576,225 km (0.051 R)
• M5: 3,206,780 km (0.116 R)
• M6: 3,687,438 km (0.116 R)
• M7: 4,249,328 km (0.047 R)
• M8: 4,667,154 km (0.109 R)
• M9: 5,504,902 km (0.108 R)
• M10: 6,131,568 km (0.087 R)
• M11: 6,969,316 km (0.111 R)
• M12: 7,403,748 km (0.116 R)
• M13: 7,933,325 km (0.108 R)
• M14: 8,461,106 km (0.09 R)
• M15: 9,012,075 km (0.111 R)
• M16: 10,003,759 km (0.113 R)
• M17: 10,526,005 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 10.8

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.52 AU - 1.98 AU

Year: 1570 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,737,258 km

• M1: 134,339 km (0.08 R)
• M2: 628,311 km (0.079 R)
• M3: 1,167,761 km (0.101 R)
• M4: 1,567,636 km (0.059 R)
• M5: 1,968,708 km (0.054 R)
• M6: 2,707,572 km (0.086 R)
• M7: 3,323,466 km (0.038 R)
• M8: 3,939,062 km (0.096 R)
• M9: 5,398,389 km (0.061 R)
• M10: 7,327,603 km (0.056 R)
• M11: 15,305,059 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.9

Radius: 10.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.72 AU - 2.32 AU

Year: 1947 Days

Day: 6 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,737,258 km

• M1: 132,544 km (0.1 R)
• M2: 542,591 km (0.112 R)
• M3: 927,806 km (0.096 R)
• M4: 1,367,025 km (0.025 R)
• M5: 2,246,511 km (0.071 R)
• M6: 2,677,054 km (0.079 R)
• M7: 3,401,856 km (0.081 R)
• M8: 4,290,916 km (0.06 R)
• M9: 5,283,647 km (0.09 R)
• M10: 5,716,583 km (0.055 R)
• M11: 6,347,288 km (0.073 R)
• M12: 6,837,071 km (0.079 R)
• M13: 10,150,664 km (0.115 R)
• M14: 11,334,582 km (0.104 R)
• M15: 13,550,725 km (0.072 R)
• M16: 14,583,698 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.8

Radius: 14

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.69 AU - 4.07 AU

Year: 5184 Days

Day: 10.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,737,258 km

• M1: 174,132 km (0.109 R)
• M2: 678,426 km (0.066 R)
• M3: 2,318,917 km (0.111 R)
• M4: 2,814,684 km (0.096 R)
• M5: 3,321,522 km (0.119 R)
• M6: 4,399,524 km (0.062 R)
• M7: 5,414,845 km (0.109 R)
• M8: 7,800,781 km (0.069 R)
• M9: 10,464,670 km (0.097 R)
• M10: 11,181,394 km (0.106 R)
• M11: 11,740,142 km (0.076 R)
• M12: 16,845,169 km (0.088 R)
• M13: 18,918,895 km (0.029 R)
• M14: 20,807,867 km (0.081 R)
• M15: 21,369,906 km (0.107 R)
• M16: 25,036,550 km (0.092 R)
• M17: 26,156,888 km (0.067 R)
• M18: 28,669,684 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.2

Radius: 7

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.31 AU - 6.67 AU

Year: 9943 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,737,258 km

• M1: 233,073 km (0.056 R)
• M2: 501,452 km (0.086 R)
• M3: 719,566 km (0.104 R)
• M4: 955,781 km (0.106 R)
• M5: 1,267,094 km (0.087 R)
• M6: 1,617,901 km (0.089 R)
• M7: 1,906,924 km (0.094 R)
• M8: 2,316,673 km (0.057 R)
• M9: 3,071,693 km (0.069 R)
• M10: 3,379,416 km (0.057 R)
• M11: 3,904,654 km (0.071 R)
• M12: 4,428,097 km (0.071 R)
• M13: 6,669,372 km (0.1 R)
• M14: 7,611,988 km (0.03 R)
• M15: 7,850,747 km (0.066 R)
• M16: 8,640,474 km (0.084 R)
• M17: 11,902,755 km (0.089 R)
• M18: 15,140,950 km (0.099 R)
• M19: 15,968,825 km (0.112 R)
• M20: 16,893,788 km (0.109 R)
• M21: 19,214,500 km (0.063 R)
• M22: 20,489,224 km (0.081 R)
• M23: 23,878,663 km (0.118 R)
• M24: 26,154,196 km (0.113 R)
• M25: 32,363,555 km (0.117 R)
• M26: 34,706,108 km (0.075 R)
• M27: 36,591,938 km (0.053 R)
• M28: 36,818,280 km (0.12 R)
• M29: 39,014,676 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.1

Radius: 6.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.38 AU - 7.88 AU

Year: 12913 Days

Day: 18.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,737,258 km

• M1: 76,295 km (0.066 R)
• M2: 361,428 km (0.119 R)
• M3: 657,034 km (0.079 R)
• M4: 1,243,009 km (0.108 R)
• M5: 1,616,555 km (0.092 R)
• M6: 1,837,810 km (0.07 R)
• M7: 2,079,111 km (0.11 R)
• M8: 4,001,743 km (0.114 R)
• M9: 5,632,360 km (0.118 R)
• M10: 6,576,023 km (0.089 R)
• M11: 10,735,442 km (0.035 R)
• M12: 12,973,726 km (0.088 R)
• M13: 16,714,271 km (0.101 R)
• M14: 19,470,013 km (0.093 R)
• M15: 19,853,881 km (0.092 R)
• M16: 22,767,450 km (0.111 R)
• M17: 24,061,322 km (0.079 R)
• M18: 29,526,581 km (0.108 R)
• M19: 30,033,269 km (0.113 R)
• M20: 32,331,241 km (0.11 R)
• M21: 32,545,914 km (0.108 R)
• M22: 36,922,101 km (0.113 R)
• M23: 37,865,764 km (0.082 R)
• M24: 40,543,865 km (0.085 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: 232 - 12,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit