🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 14.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.68 AU - 0.76 AU

Year: 422 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,297,320 km

• M1: 181,612 km (0.085 R)
• M2: 676,930 km (0.047 R)
• M3: 1,162,974 km (0.12 R)
• M4: 1,806,693 km (0.098 R)
• M5: 2,418,549 km (0.042 R)
• M6: 3,030,853 km (0.089 R)
• M7: 3,806,219 km (0.07 R)
• M8: 4,739,111 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 14.7

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.88 AU - 1 AU

Year: 629 Days

Day: 11.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,297,320 km

• M1: 182,809 km (0.065 R)
• M2: 654,640 km (0.11 R)
• M3: 1,145,920 km (0.053 R)
• M4: 1,787,545 km (0.106 R)
• M5: 2,719,839 km (0.106 R)
• M6: 3,512,708 km (0.06 R)
• M7: 3,971,973 km (0.094 R)
• M8: 4,487,338 km (0.111 R)
• M9: 5,238,469 km (0.091 R)
• M10: 5,709,852 km (0.119 R)
• M11: 6,249,301 km (0.094 R)
• M12: 7,342,263 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 14.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.76 AU - 1.2 AU

Year: 670 Days

Day: 7 Hours

Environment

Temp: -173 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,297,320 km

• M1: 184,155 km (0.059 R)
• M2: 752,178 km (0.118 R)
• M3: 1,292,077 km (0.092 R)
• M4: 1,798,765 km (0.093 R)
• M5: 2,420,045 km (0.06 R)
• M6: 3,281,429 km (0.062 R)
• M7: 3,805,471 km (0.086 R)
• M8: 4,665,359 km (0.061 R)
• M9: 5,193,290 km (0.11 R)
• M10: 6,390,223 km (0.114 R)
• M11: 7,214,058 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 12.2

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.75 AU - 2.87 AU

Year: 2423 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,297,320 km

• M1: 152,739 km (0.052 R)
• M2: 603,029 km (0.105 R)
• M3: 1,165,367 km (0.061 R)
• M4: 1,944,024 km (0.1 R)
• M5: 2,678,849 km (0.072 R)
• M6: 3,480,394 km (0.119 R)
• M7: 4,307,671 km (0.09 R)
• M8: 5,045,936 km (0.111 R)
• M9: 5,583,890 km (0.107 R)
• M10: 9,185,908 km (0.117 R)
• M11: 10,293,979 km (0.118 R)
• M12: 11,121,255 km (0.112 R)
• M13: 12,466,589 km (0.12 R)
• M14: 14,538,071 km (0.081 R)
• M15: 16,144,453 km (0.06 R)
• M16: 18,944,626 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.9

Radius: 11.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.36 AU - 3.52 AU

Year: 3480 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,297,320 km

• M1: 150,346 km (0.107 R)
• M2: 549,473 km (0.05 R)
• M3: 1,056,161 km (0.049 R)
• M4: 1,896,751 km (0.059 R)
• M5: 2,562,163 km (0.053 R)
• M6: 3,088,448 km (0.075 R)
• M7: 3,491,315 km (0.067 R)
• M8: 4,013,112 km (0.09 R)
• M9: 4,941,666 km (0.069 R)
• M10: 5,366,674 km (0.104 R)
• M11: 5,788,839 km (0.102 R)
• M12: 6,290,441 km (0.106 R)
• M13: 6,820,915 km (0.088 R)
• M14: 7,348,995 km (0.061 R)
• M15: 8,073,049 km (0.057 R)
• M16: 9,701,721 km (0.105 R)
• M17: 10,290,538 km (0.117 R)
• M18: 11,496,447 km (0.105 R)
• M19: 12,022,134 km (0.099 R)
• M20: 13,503,003 km (0.107 R)
• M21: 13,891,359 km (0.112 R)
• M22: 14,589,233 km (0.118 R)
• M23: 15,310,295 km (0.116 R)
• M24: 16,823,627 km (0.073 R)
• M25: 18,732,645 km (0.118 R)
• M26: 19,584,755 km (0.112 R)
• M27: 21,960,967 km (0.037 R)

Asteroid Belt

Center: 3.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 12.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.76 AU - 4.52 AU

Year: 5814 Days

Day: 5.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,297,320 km

• M1: 151,842 km (0.084 R)
• M2: 637,736 km (0.068 R)
• M3: 1,211,144 km (0.11 R)
• M4: 1,861,596 km (0.101 R)
• M5: 2,629,781 km (0.109 R)
• M6: 3,577,633 km (0.113 R)
• M7: 5,198,376 km (0.114 R)
• M8: 5,656,146 km (0.119 R)
• M9: 7,368,742 km (0.051 R)
• M10: 8,172,681 km (0.11 R)
• M11: 9,869,271 km (0.112 R)
• M12: 10,483,968 km (0.114 R)
• M13: 16,056,639 km (0.095 R)
• M14: 21,184,554 km (0.057 R)
• M15: 21,986,100 km (0.114 R)
• M16: 24,591,496 km (0.058 R)
• M17: 27,912,569 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.4

Radius: 13.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.06 AU - 6.42 AU

Year: 8280 Days

Day: 11.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,297,320 km

• M1: 165,455 km (0.077 R)
• M2: 646,861 km (0.116 R)
• M3: 1,459,178 km (0.07 R)
• M4: 2,028,996 km (0.102 R)
• M5: 2,501,276 km (0.094 R)
• M6: 3,239,542 km (0.028 R)
• M7: 4,973,082 km (0.109 R)
• M8: 8,677,873 km (0.066 R)
• M9: 9,566,933 km (0.12 R)
• M10: 9,986,555 km (0.119 R)
• M11: 10,614,268 km (0.028 R)
• M12: 12,880,077 km (0.025 R)
• M13: 14,518,773 km (0.096 R)
• M14: 16,095,833 km (0.104 R)
• M15: 18,563,749 km (0.089 R)
• M16: 22,071,670 km (0.033 R)
• M17: 22,889,073 km (0.104 R)
• M18: 26,727,006 km (0.083 R)
• M19: 28,127,990 km (0.1 R)
• M20: 28,894,978 km (0.038 R)
• M21: 30,671,603 km (0.08 R)
• M22: 31,792,539 km (0.109 R)
• M23: 32,311,046 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.5

Radius: 7.3

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 7.67 AU - 12.03 AU

Year: 21339 Days

Day: 20.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,297,320 km

• M1: 94,396 km (0.095 R)
• M2: 382,971 km (0.063 R)
• M3: 634,893 km (0.075 R)
• M4: 976,724 km (0.037 R)
• M5: 3,218,897 km (0.028 R)
• M6: 4,136,830 km (0.037 R)
• M7: 4,913,542 km (0.114 R)
• M8: 7,928,538 km (0.04 R)
• M9: 9,466,404 km (0.11 R)
• M10: 11,722,938 km (0.068 R)
• M11: 12,689,939 km (0.117 R)
• M12: 14,703,227 km (0.114 R)
• M13: 16,158,066 km (0.074 R)
• M14: 16,493,913 km (0.084 R)
• M15: 17,795,116 km (0.094 R)
• M16: 22,626,379 km (0.083 R)
• M17: 25,908,855 km (0.082 R)
• M18: 27,306,249 km (0.092 R)
• M19: 28,508,417 km (0.114 R)
• M20: 29,122,666 km (0.09 R)
• M21: 33,944,954 km (0.042 R)
• M22: 34,357,844 km (0.068 R)
• M23: 35,475,041 km (0.104 R)
• M24: 35,900,347 km (0.041 R)
• M25: 40,494,797 km (0.05 R)
• M26: 43,658,343 km (0.055 R)
• M27: 46,982,707 km (0.087 R)
• M28: 58,748,879 km (0.106 R)
• M29: 62,174,670 km (0.109 R)
• M30: 65,306,202 km (0.058 R)
• M31: 75,796,454 km (0.105 R)
• M32: 77,687,072 km (0.115 R)
• M33: 81,808,643 km (0.188 R)
• M34: 82,550,648 km (0.091 R)
• M35: 83,047,912 km (0.044 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 16,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit