🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 13.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1 AU - 1.18 AU

Year: 786 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,492,902 km

• M1: 165,455 km (0.072 R)
• M2: 608,863 km (0.065 R)
• M3: 1,024,446 km (0.113 R)
• M4: 1,503,459 km (0.093 R)
• M5: 2,104,842 km (0.096 R)
• M6: 2,577,571 km (0.07 R)
• M7: 3,033,845 km (0.108 R)
• M8: 3,828,060 km (0.112 R)
• M9: 4,859,388 km (0.091 R)
• M10: 6,311,684 km (0.118 R)
• M11: 6,906,186 km (0.051 R)
• M12: 7,376,222 km (0.089 R)
• M13: 8,182,854 km (0.101 R)

Asteroid Belt

Center: 1.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 12

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.67 AU - 2.57 AU

Year: 2131 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,492,902 km

• M1: 161,566 km (0.078 R)
• M2: 568,771 km (0.086 R)
• M3: 1,585,438 km (0.103 R)
• M4: 2,166,925 km (0.119 R)
• M5: 3,078,724 km (0.062 R)
• M6: 4,050,512 km (0.042 R)
• M7: 5,169,354 km (0.104 R)
• M8: 6,162,535 km (0.098 R)
• M9: 9,836,060 km (0.051 R)
• M10: 11,517,241 km (0.069 R)
• M11: 12,426,347 km (0.099 R)
• M12: 16,088,204 km (0.105 R)
• M13: 17,013,467 km (0.085 R)
• M14: 17,973,885 km (0.051 R)
• M15: 18,745,660 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.6

Radius: 12.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.39 AU - 4.17 AU

Year: 5073 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,492,902 km

• M1: 160,369 km (0.084 R)
• M2: 591,959 km (0.106 R)
• M3: 1,103,883 km (0.035 R)
• M4: 1,573,919 km (0.084 R)
• M5: 1,985,014 km (0.109 R)
• M6: 2,519,976 km (0.12 R)
• M7: 3,170,428 km (0.071 R)
• M8: 3,837,784 km (0.116 R)
• M9: 5,937,689 km (0.118 R)
• M10: 6,514,987 km (0.079 R)
• M11: 8,514,662 km (0.047 R)
• M12: 9,419,280 km (0.107 R)
• M13: 10,895,063 km (0.096 R)
• M14: 12,263,884 km (0.11 R)
• M15: 16,679,714 km (0.041 R)
• M16: 20,010,062 km (0.112 R)
• M17: 21,384,417 km (0.106 R)
• M18: 24,079,273 km (0.085 R)
• M19: 25,300,889 km (0.086 R)
• M20: 27,079,758 km (0.119 R)
• M21: 27,603,051 km (0.116 R)
• M22: 30,980,223 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.6

Radius: 4.8

Gravity: 27.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.89 AU - 6.19 AU

Year: 10246 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,492,902 km

• M1: 60,587 km (0.057 R)
• M2: 349,311 km (0.088 R)
• M3: 939,175 km (0.071 R)
• M4: 1,413,700 km (0.117 R)
• M5: 1,773,483 km (0.075 R)
• M6: 1,950,008 km (0.106 R)
• M7: 2,156,005 km (0.112 R)
• M8: 2,338,813 km (0.038 R)
• M9: 2,862,854 km (0.045 R)
• M10: 3,152,626 km (0.101 R)
• M11: 3,560,878 km (0.113 R)
• M12: 3,816,840 km (0.103 R)
• M13: 6,002,315 km (0.109 R)
• M14: 7,255,646 km (0.076 R)
• M15: 8,270,069 km (0.116 R)
• M16: 8,719,461 km (0.078 R)
• M17: 9,327,726 km (0.067 R)
• M18: 14,272,684 km (0.11 R)
• M19: 15,583,909 km (0.096 R)
• M20: 21,050,664 km (0.119 R)
• M21: 22,142,130 km (0.088 R)
• M22: 25,173,731 km (0.101 R)
• M23: 25,360,130 km (0.072 R)
• M24: 26,210,744 km (0.039 R)
• M25: 28,369,890 km (0.057 R)
• M26: 29,699,964 km (0.119 R)
• M27: 29,908,205 km (0.091 R)
• M28: 30,117,343 km (0.078 R)
• M29: 34,394,944 km (0.103 R)
• M30: 36,618,268 km (0.107 R)
• M31: 39,687,118 km (0.077 R)
• M32: 41,738,554 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.3

Radius: 8

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.91 AU - 9.69 AU

Year: 16505 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,492,902 km

• M1: 99,483 km (0.104 R)
• M2: 408,701 km (0.061 R)
• M3: 688,001 km (0.059 R)
• M4: 1,215,034 km (0.076 R)
• M5: 1,473,689 km (0.069 R)
• M6: 2,955,306 km (0.119 R)
• M7: 3,804,423 km (0.12 R)
• M8: 5,935,595 km (0.089 R)
• M9: 9,131,155 km (0.063 R)
• M10: 10,195,992 km (0.08 R)
• M11: 13,044,635 km (0.117 R)
• M12: 13,601,289 km (0.055 R)
• M13: 14,029,139 km (0.103 R)
• M14: 14,319,359 km (0.115 R)
• M15: 16,787,275 km (0.082 R)
• M16: 17,114,595 km (0.057 R)
• M17: 19,525,514 km (0.083 R)
• M18: 19,887,391 km (0.117 R)
• M19: 20,531,709 km (0.053 R)
• M20: 21,094,796 km (0.053 R)
• M21: 25,977,221 km (0.088 R)
• M22: 33,849,211 km (0.095 R)
• M23: 44,098,909 km (0.093 R)
• M24: 47,927,567 km (0.092 R)
• M25: 49,084,557 km (0.117 R)
• M26: 55,874,206 km (0.112 R)
• M27: 59,587,225 km (0.095 R)
• M28: 66,883,862 km (0.06 R)
• M29: 71,065,421 km (0.113 R)
• M30: 71,492,972 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 10,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit