🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.4

Radius: 12.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.6 AU - 0.9 AU

Year: 457 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,704,160 km

• M1: 183,108 km (0.062 R)
• M2: 652,546 km (0.094 R)
• M3: 1,152,352 km (0.031 R)
• M4: 1,883,736 km (0.059 R)
• M5: 2,683,636 km (0.078 R)
• M6: 3,129,438 km (0.075 R)
• M7: 3,612,639 km (0.119 R)
• M8: 4,745,095 km (0.062 R)
• M9: 5,579,253 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.92 AU - 1.12 AU

Year: 724 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,704,160 km

• M1: 181,612 km (0.07 R)
• M2: 650,152 km (0.112 R)
• M3: 1,189,153 km (0.113 R)
• M4: 1,692,550 km (0.093 R)
• M5: 2,988,068 km (0.103 R)
• M6: 3,930,534 km (0.105 R)
• M7: 4,398,626 km (0.084 R)
• M8: 4,992,081 km (0.089 R)
• M9: 5,913,005 km (0.056 R)
• M10: 6,403,986 km (0.102 R)
• M11: 7,101,261 km (0.047 R)
• M12: 7,728,525 km (0.111 R)
• M13: 8,882,673 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.5

Radius: 14.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.71 AU - 2.63 AU

Year: 2247 Days

Day: 14.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,704,160 km

• M1: 175,329 km (0.058 R)
• M2: 1,297,762 km (0.047 R)
• M3: 1,891,815 km (0.057 R)
• M4: 2,737,491 km (0.117 R)
• M5: 3,264,974 km (0.102 R)
• M6: 4,955,429 km (0.033 R)
• M7: 5,481,116 km (0.096 R)
• M8: 5,993,339 km (0.107 R)
• M9: 6,835,875 km (0.055 R)
• M10: 7,489,169 km (0.101 R)
• M11: 9,020,602 km (0.057 R)
• M12: 9,913,552 km (0.11 R)
• M13: 10,418,445 km (0.104 R)
• M14: 11,054,535 km (0.111 R)
• M15: 11,836,034 km (0.083 R)
• M16: 12,612,297 km (0.036 R)
• M17: 14,176,044 km (0.086 R)
• M18: 15,914,371 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.2

Radius: 9.7

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.6 AU - 2.7 AU

Year: 3032 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,704,160 km

• M1: 121,773 km (0.107 R)
• M2: 510,428 km (0.078 R)
• M3: 888,911 km (0.037 R)
• M4: 1,385,276 km (0.065 R)
• M5: 2,126,534 km (0.038 R)
• M6: 3,006,917 km (0.088 R)
• M7: 4,156,577 km (0.111 R)
• M8: 7,107,245 km (0.112 R)
• M9: 7,918,814 km (0.039 R)
• M10: 9,999,122 km (0.119 R)
• M11: 14,386,378 km (0.079 R)
• M12: 14,844,447 km (0.101 R)
• M13: 17,857,498 km (0.095 R)
• M14: 18,865,787 km (0.059 R)
• M15: 23,003,365 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.4

Radius: 5.5

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.16 AU - 8.32 AU

Year: 12300 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,704,160 km

• M1: 68,366 km (0.096 R)
• M2: 628,909 km (0.089 R)
• M3: 1,365,230 km (0.095 R)
• M4: 1,750,594 km (0.089 R)
• M5: 1,951,654 km (0.045 R)
• M6: 2,400,447 km (0.115 R)
• M7: 2,585,500 km (0.068 R)
• M8: 3,199,150 km (0.11 R)
• M9: 3,767,024 km (0.058 R)
• M10: 4,615,394 km (0.093 R)
• M11: 6,211,752 km (0.097 R)
• M12: 6,443,928 km (0.068 R)
• M13: 7,782,231 km (0.081 R)
• M14: 8,422,211 km (0.092 R)
• M15: 13,017,109 km (0.037 R)
• M16: 15,484,876 km (0.113 R)
• M17: 16,347,756 km (0.048 R)
• M18: 18,564,946 km (0.09 R)
• M19: 18,966,467 km (0.117 R)
• M20: 22,936,196 km (0.056 R)
• M21: 24,341,518 km (0.103 R)
• M22: 25,408,002 km (0.113 R)
• M23: 28,157,162 km (0.067 R)
• M24: 33,878,831 km (0.088 R)
• M25: 46,072,554 km (0.104 R)
• M26: 47,701,226 km (0.119 R)
• M27: 52,497,184 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.6

Radius: 8

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.18 AU - 8.8 AU

Year: 17389 Days

Day: 16.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,704,160 km

• M1: 114,742 km (0.088 R)
• M2: 453,282 km (0.114 R)
• M3: 705,354 km (0.108 R)
• M4: 1,019,061 km (0.108 R)
• M5: 1,634,207 km (0.043 R)
• M6: 2,237,087 km (0.115 R)
• M7: 4,559,145 km (0.084 R)
• M8: 5,470,345 km (0.084 R)
• M9: 7,173,367 km (0.096 R)
• M10: 7,649,089 km (0.115 R)
• M11: 7,994,510 km (0.084 R)
• M12: 8,610,704 km (0.109 R)
• M13: 9,707,705 km (0.062 R)
• M14: 11,523,674 km (0.071 R)
• M15: 12,991,827 km (0.055 R)
• M16: 14,061,751 km (0.089 R)
• M17: 15,735,452 km (0.11 R)
• M18: 17,368,612 km (0.065 R)
• M19: 20,399,315 km (0.066 R)
• M20: 22,138,390 km (0.028 R)
• M21: 27,829,692 km (0.066 R)
• M22: 29,002,838 km (0.067 R)
• M23: 30,331,118 km (0.111 R)
• M24: 31,952,460 km (0.107 R)
• M25: 32,591,243 km (0.09 R)
• M26: 34,826,833 km (0.101 R)
• M27: 36,882,457 km (0.049 R)
• M28: 37,303,127 km (0.033 R)
• M29: 38,440,519 km (0.085 R)
• M30: 41,535,849 km (0.06 R)
• M31: 42,449,892 km (0.052 R)
• M32: 44,317,920 km (0.111 R)
• M33: 64,875,061 km (0.048 R)
• M34: 65,283,314 km (0.042 R)
• M35: 65,898,909 km (0.102 R)
• M36: 69,460,535 km (0.072 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: 524 - 17,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit