🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.51 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 9.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.58 AU - 3.44 AU

Year: 3482 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,933,250 km

• M1: 113,246 km (0.091 R)
• M2: 463,454 km (0.108 R)
• M3: 814,112 km (0.082 R)
• M4: 1,434,943 km (0.118 R)
• M5: 1,855,462 km (0.042 R)
• M6: 2,478,687 km (0.113 R)
• M7: 2,869,886 km (0.093 R)
• M8: 4,157,474 km (0.116 R)
• M9: 5,176,685 km (0.065 R)
• M10: 5,599,000 km (0.109 R)
• M11: 6,380,349 km (0.11 R)
• M12: 6,701,685 km (0.067 R)
• M13: 8,252,567 km (0.062 R)
• M14: 9,195,931 km (0.113 R)
• M15: 10,649,872 km (0.09 R)
• M16: 11,608,346 km (0.087 R)
• M17: 12,169,637 km (0.116 R)
• M18: 14,875,414 km (0.065 R)
• M19: 16,972,028 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 8.1

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.56 AU - 3.78 AU

Year: 3764 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,933,250 km

• M1: 101,128 km (0.087 R)
• M2: 385,663 km (0.069 R)
• M3: 1,444,218 km (0.118 R)
• M4: 2,076,568 km (0.064 R)
• M5: 5,592,567 km (0.059 R)
• M6: 6,815,529 km (0.092 R)
• M7: 7,791,955 km (0.104 R)
• M8: 9,779,961 km (0.073 R)
• M9: 10,182,080 km (0.058 R)
• M10: 12,594,196 km (0.088 R)
• M11: 13,459,919 km (0.061 R)
• M12: 14,008,045 km (0.08 R)
• M13: 17,615,299 km (0.12 R)
• M14: 23,256,186 km (0.083 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.7

Radius: 7.8

Gravity: 15.72 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.53 AU - 6.15 AU

Year: 9411 Days

Day: 23.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,933,250 km

• M1: 97,089 km (0.076 R)
• M2: 443,707 km (0.088 R)
• M3: 763,548 km (0.096 R)
• M4: 1,525,749 km (0.108 R)
• M5: 2,151,367 km (0.051 R)
• M6: 2,414,210 km (0.081 R)
• M7: 3,166,987 km (0.063 R)
• M8: 3,433,421 km (0.094 R)
• M9: 4,039,591 km (0.108 R)
• M10: 4,324,426 km (0.072 R)
• M11: 4,714,876 km (0.087 R)
• M12: 4,998,813 km (0.093 R)
• M13: 7,443,990 km (0.113 R)
• M14: 7,873,635 km (0.039 R)
• M15: 9,020,004 km (0.119 R)
• M16: 9,608,222 km (0.1 R)
• M17: 10,431,759 km (0.096 R)
• M18: 14,397,449 km (0.095 R)
• M19: 16,174,522 km (0.088 R)
• M20: 17,788,384 km (0.118 R)
• M21: 18,246,602 km (0.069 R)
• M22: 22,464,364 km (0.064 R)
• M23: 30,212,188 km (0.089 R)
• M24: 34,620,986 km (0.084 R)
• M25: 37,288,017 km (0.061 R)
• M26: 46,248,930 km (0.084 R)
• M27: 48,286,902 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.9

Radius: 4.5

Gravity: 34.37 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.47 AU - 8.77 AU

Year: 16877 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 95.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,933,250 km

• M1: 56,249 km (0.111 R)
• M2: 277,205 km (0.11 R)
• M3: 802,742 km (0.103 R)
• M4: 1,035,217 km (0.062 R)
• M5: 1,538,165 km (0.04 R)
• M6: 1,772,585 km (0.107 R)
• M7: 2,030,641 km (0.114 R)
• M8: 2,271,344 km (0.077 R)
• M9: 3,007,216 km (0.102 R)
• M10: 3,742,041 km (0.12 R)
• M11: 4,522,792 km (0.067 R)
• M12: 7,556,637 km (0.108 R)
• M13: 10,331,977 km (0.059 R)
• M14: 10,862,451 km (0.04 R)
• M15: 11,849,797 km (0.09 R)
• M16: 19,766,367 km (0.074 R)
• M17: 19,945,735 km (0.092 R)
• M18: 20,674,426 km (0.09 R)
• M19: 22,184,915 km (0.088 R)
• M20: 25,849,166 km (0.109 R)
• M21: 28,848,154 km (0.098 R)
• M22: 30,133,649 km (0.086 R)
• M23: 31,334,920 km (0.037 R)
• M24: 39,788,845 km (0.104 R)
• M25: 50,810,468 km (0.096 R)
• M26: 54,246,432 km (0.079 R)
• M27: 67,082,827 km (0.065 R)
• M28: 67,285,382 km (0.074 R)
• M29: 68,303,994 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.8

Radius: 5.8

Gravity: 24.49 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.94 AU - 9.34 AU

Year: 18427 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,933,250 km

• M1: 72,256 km (0.068 R)
• M2: 362,775 km (0.11 R)
• M3: 588,817 km (0.12 R)
• M4: 1,156,990 km (0.099 R)
• M5: 2,222,576 km (0.112 R)
• M6: 3,001,681 km (0.118 R)
• M7: 3,824,769 km (0.095 R)
• M8: 4,508,581 km (0.117 R)
• M9: 4,825,279 km (0.1 R)
• M10: 5,347,525 km (0.076 R)
• M11: 6,243,018 km (0.092 R)
• M12: 15,632,977 km (0.116 R)
• M13: 16,114,234 km (0.046 R)
• M14: 22,581,649 km (0.102 R)
• M15: 22,990,201 km (0.04 R)
• M16: 23,612,378 km (0.091 R)
• M17: 26,213,736 km (0.086 R)
• M18: 27,236,536 km (0.12 R)
• M19: 30,838,105 km (0.102 R)
• M20: 36,957,107 km (0.115 R)
• M21: 39,852,574 km (0.093 R)
• M22: 48,927,330 km (0.119 R)
• M23: 50,823,782 km (0.12 R)
• M24: 54,946,550 km (0.067 R)
• M25: 63,646,863 km (0.115 R)
• M26: 64,666,672 km (0.074 R)
• M27: 65,283,912 km (0.095 R)
• M28: 67,791,771 km (0.084 R)
• M29: 68,215,881 km (0.12 R)
• M30: 72,776,671 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.2

Radius: 6.3

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.38 AU - 11.88 AU

Year: 19928 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,933,250 km

• M1: 78,988 km (0.075 R)
• M2: 1,988,006 km (0.104 R)
• M3: 3,019,184 km (0.114 R)
• M4: 5,961,774 km (0.116 R)
• M5: 8,278,447 km (0.052 R)
• M6: 8,562,833 km (0.08 R)
• M7: 14,451,454 km (0.106 R)
• M8: 17,739,914 km (0.106 R)
• M9: 21,762,900 km (0.098 R)
• M10: 23,889,733 km (0.034 R)
• M11: 26,558,708 km (0.093 R)
• M12: 39,893,115 km (0.081 R)
• M13: 42,500,905 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.4

Radius: 6.4

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.68 AU - 12.62 AU

Year: 21564 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,933,250 km

• M1: 79,885 km (0.095 R)
• M2: 2,109,779 km (0.047 R)
• M3: 2,767,261 km (0.084 R)
• M4: 3,553,398 km (0.114 R)
• M5: 5,107,271 km (0.111 R)
• M6: 5,328,975 km (0.099 R)
• M7: 12,656,429 km (0.083 R)
• M8: 13,619,989 km (0.067 R)
• M9: 18,915,903 km (0.069 R)
• M10: 19,448,172 km (0.108 R)
• M11: 23,865,348 km (0.078 R)
• M12: 36,766,369 km (0.083 R)
• M13: 39,720,479 km (0.048 R)
• M14: 41,033,649 km (0.119 R)
• M15: 45,461,596 km (0.112 R)
• M16: 52,946,576 km (0.068 R)
• M17: 57,624,501 km (0.084 R)
• M18: 64,346,682 km (0.104 R)
• M19: 65,347,641 km (0.047 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 17,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit