🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 9.4

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.95 AU - 5.25 AU

Year: 6579 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,472,753 km

• M1: 125,662 km (0.072 R)
• M2: 463,903 km (0.076 R)
• M3: 860,188 km (0.083 R)
• M4: 1,456,485 km (0.095 R)
• M5: 1,913,058 km (0.102 R)
• M6: 2,341,805 km (0.079 R)
• M7: 2,644,142 km (0.101 R)
• M8: 3,220,693 km (0.113 R)
• M9: 3,712,271 km (0.077 R)
• M10: 5,804,996 km (0.058 R)
• M11: 6,431,512 km (0.111 R)
• M12: 9,441,271 km (0.1 R)
• M13: 9,754,529 km (0.027 R)
• M14: 12,410,191 km (0.095 R)
• M15: 13,004,842 km (0.11 R)
• M16: 14,018,966 km (0.03 R)
• M17: 14,486,160 km (0.052 R)
• M18: 15,762,380 km (0.113 R)
• M19: 16,331,600 km (0.097 R)
• M20: 17,244,296 km (0.109 R)
• M21: 17,984,955 km (0.088 R)
• M22: 23,940,596 km (0.102 R)
• M23: 24,862,119 km (0.104 R)
• M24: 25,547,128 km (0.034 R)
• M25: 27,044,303 km (0.108 R)
• M26: 27,677,551 km (0.093 R)
• M27: 33,516,954 km (0.079 R)
• M28: 36,833,240 km (0.069 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.1

Radius: 4.6

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.82 AU - 7.4 AU

Year: 11333 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,472,753 km

• M1: 57,146 km (0.114 R)
• M2: 386,710 km (0.058 R)
• M3: 579,393 km (0.112 R)
• M4: 1,317,808 km (0.111 R)
• M5: 1,805,497 km (0.083 R)
• M6: 2,012,690 km (0.097 R)
• M7: 2,302,311 km (0.089 R)
• M8: 5,893,558 km (0.095 R)
• M9: 6,086,689 km (0.118 R)
• M10: 6,937,152 km (0.057 R)
• M11: 7,980,598 km (0.086 R)
• M12: 8,337,089 km (0.085 R)
• M13: 10,560,712 km (0.094 R)
• M14: 19,683,639 km (0.042 R)
• M15: 21,829,620 km (0.113 R)
• M16: 22,761,466 km (0.107 R)
• M17: 26,231,837 km (0.049 R)
• M18: 26,405,371 km (0.071 R)
• M19: 28,823,620 km (0.12 R)
• M20: 29,567,570 km (0.089 R)
• M21: 30,611,315 km (0.104 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.9

Radius: 7.1

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.97 AU - 7.53 AU

Year: 13018 Days

Day: 20.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,472,753 km

• M1: 107,411 km (0.086 R)
• M2: 562,488 km (0.105 R)
• M3: 1,772,585 km (0.077 R)
• M4: 2,339,561 km (0.102 R)
• M5: 3,347,701 km (0.036 R)
• M6: 3,881,466 km (0.09 R)
• M7: 4,958,122 km (0.089 R)
• M8: 15,312,688 km (0.108 R)
• M9: 16,347,307 km (0.096 R)
• M10: 19,175,605 km (0.078 R)
• M11: 26,649,514 km (0.105 R)
• M12: 27,840,164 km (0.119 R)
• M13: 41,363,811 km (0.101 R)
• M14: 41,626,655 km (0.113 R)
• M15: 43,092,564 km (0.118 R)
• M16: 48,567,248 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.6

Radius: 4.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.45 AU - 8.93 AU

Year: 14221 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,472,753 km

• M1: 55,950 km (0.091 R)
• M2: 240,254 km (0.102 R)
• M3: 639,531 km (0.068 R)
• M4: 929,601 km (0.081 R)
• M5: 1,161,478 km (0.112 R)
• M6: 1,407,267 km (0.076 R)
• M7: 1,797,418 km (0.065 R)
• M8: 1,942,528 km (0.084 R)
• M9: 2,676,605 km (0.082 R)
• M10: 2,885,893 km (0.054 R)
• M11: 3,085,606 km (0.082 R)
• M12: 3,557,437 km (0.089 R)
• M13: 4,616,441 km (0.092 R)
• M14: 6,126,033 km (0.058 R)
• M15: 7,975,212 km (0.116 R)
• M16: 8,369,253 km (0.11 R)
• M17: 10,723,624 km (0.118 R)
• M18: 12,465,243 km (0.103 R)
• M19: 12,622,769 km (0.112 R)
• M20: 15,447,775 km (0.082 R)
• M21: 16,686,894 km (0.119 R)
• M22: 17,330,614 km (0.038 R)
• M23: 19,927,932 km (0.118 R)
• M24: 21,469,090 km (0.111 R)
• M25: 22,461,971 km (0.086 R)
• M26: 23,886,591 km (0.098 R)
• M27: 28,248,416 km (0.036 R)
• M28: 28,794,149 km (0.063 R)
• M29: 29,254,163 km (0.078 R)
• M30: 30,000,357 km (0.119 R)
• M31: 34,435,934 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.8

Radius: 3.6

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.72 AU - 10.72 AU

Year: 18669 Days

Day: 15.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,472,753 km

• M1: 44,879 km (0.118 R)
• M2: 271,969 km (0.106 R)
• M3: 1,295,966 km (0.11 R)
• M4: 1,561,503 km (0.058 R)
• M5: 1,975,889 km (0.087 R)
• M6: 2,129,077 km (0.078 R)
• M7: 2,253,842 km (0.111 R)
• M8: 2,637,261 km (0.117 R)
• M9: 4,075,046 km (0.105 R)
• M10: 4,582,931 km (0.114 R)
• M11: 5,037,409 km (0.065 R)
• M12: 6,432,260 km (0.082 R)
• M13: 9,233,181 km (0.112 R)
• M14: 9,662,227 km (0.06 R)
• M15: 10,005,106 km (0.095 R)
• M16: 14,968,314 km (0.1 R)
• M17: 16,859,830 km (0.03 R)
• M18: 18,230,296 km (0.051 R)
• M19: 24,636,974 km (0.118 R)
• M20: 27,162,934 km (0.104 R)
• M21: 32,178,203 km (0.098 R)
• M22: 35,074,118 km (0.063 R)
• M23: 36,349,889 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 11,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit