🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 9.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.98 AU - 1.52 AU

Year: 948 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 31,517,186 km

• M1: 122,371 km (0.11 R)
• M2: 525,089 km (0.086 R)
• M3: 1,098,497 km (0.058 R)
• M4: 1,808,339 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 11.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.34 AU - 1.78 AU

Year: 1322 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,517,186 km

• M1: 150,495 km (0.079 R)
• M2: 614,548 km (0.111 R)
• M3: 1,370,765 km (0.109 R)
• M4: 2,214,497 km (0.116 R)
• M5: 5,035,913 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 11.9

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.84 AU - 1.94 AU

Year: 1762 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,517,186 km

• M1: 148,102 km (0.095 R)
• M2: 530,324 km (0.098 R)
• M3: 925,712 km (0.104 R)
• M4: 1,343,389 km (0.087 R)
• M5: 1,783,207 km (0.105 R)
• M6: 2,269,699 km (0.099 R)
• M7: 3,581,971 km (0.117 R)
• M8: 4,210,881 km (0.104 R)
• M9: 4,704,255 km (0.103 R)
• M10: 7,775,798 km (0.094 R)
• M11: 8,277,699 km (0.116 R)
• M12: 8,927,253 km (0.112 R)
• M13: 10,972,256 km (0.119 R)
• M14: 11,491,061 km (0.111 R)
• M15: 13,563,291 km (0.11 R)
• M16: 14,291,683 km (0.099 R)
• M17: 15,136,612 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 14.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.86 AU - 3.82 AU

Year: 4140 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,517,186 km

• M1: 184,005 km (0.107 R)
• M2: 730,935 km (0.046 R)
• M3: 1,243,607 km (0.095 R)
• M4: 1,829,732 km (0.118 R)
• M5: 2,930,921 km (0.103 R)
• M6: 3,493,709 km (0.105 R)
• M7: 4,813,611 km (0.101 R)
• M8: 5,460,472 km (0.116 R)
• M9: 6,412,962 km (0.114 R)
• M10: 6,929,373 km (0.109 R)
• M11: 7,756,350 km (0.114 R)
• M12: 8,842,431 km (0.106 R)
• M13: 9,732,239 km (0.079 R)
• M14: 10,592,277 km (0.085 R)
• M15: 11,455,756 km (0.114 R)
• M16: 12,513,712 km (0.106 R)
• M17: 14,329,830 km (0.078 R)
• M18: 15,216,198 km (0.104 R)
• M19: 16,080,126 km (0.086 R)
• M20: 16,855,192 km (0.06 R)
• M21: 17,406,161 km (0.113 R)
• M22: 18,159,536 km (0.08 R)
• M23: 19,396,860 km (0.103 R)
• M24: 22,995,736 km (0.11 R)
• M25: 26,032,423 km (0.104 R)
• M26: 26,686,764 km (0.099 R)
• M27: 27,268,401 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.1

Radius: 10.3

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.31 AU - 4.45 AU

Year: 5184 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,517,186 km

• M1: 136,882 km (0.03 R)
• M2: 860,038 km (0.107 R)
• M3: 2,151,965 km (0.026 R)
• M4: 2,910,726 km (0.109 R)
• M5: 3,269,013 km (0.083 R)
• M6: 3,932,180 km (0.052 R)
• M7: 5,008,387 km (0.104 R)
• M8: 5,437,135 km (0.12 R)
• M9: 6,206,217 km (0.109 R)
• M10: 6,735,495 km (0.038 R)
• M11: 7,258,638 km (0.105 R)
• M12: 8,152,037 km (0.1 R)
• M13: 9,758,120 km (0.071 R)
• M14: 10,428,617 km (0.114 R)
• M15: 11,321,866 km (0.07 R)
• M16: 11,861,765 km (0.042 R)
• M17: 13,046,281 km (0.072 R)
• M18: 14,138,944 km (0.107 R)
• M19: 15,649,284 km (0.034 R)
• M20: 17,264,492 km (0.074 R)
• M21: 18,378,846 km (0.082 R)
• M22: 22,773,882 km (0.076 R)
• M23: 23,476,693 km (0.105 R)
• M24: 33,272,661 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.9

Radius: 8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.24 AU - 6.22 AU

Year: 8112 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,517,186 km

• M1: 99,483 km (0.104 R)
• M2: 502,050 km (0.074 R)
• M3: 789,129 km (0.095 R)
• M4: 1,081,443 km (0.04 R)
• M5: 1,345,184 km (0.081 R)
• M6: 1,948,811 km (0.055 R)
• M7: 2,443,831 km (0.085 R)
• M8: 2,868,090 km (0.078 R)
• M9: 4,145,656 km (0.088 R)
• M10: 4,542,539 km (0.095 R)
• M11: 4,856,695 km (0.102 R)
• M12: 5,706,112 km (0.053 R)
• M13: 6,389,325 km (0.094 R)
• M14: 6,717,393 km (0.053 R)
• M15: 10,109,525 km (0.064 R)
• M16: 13,353,854 km (0.106 R)
• M17: 13,782,452 km (0.119 R)
• M18: 14,386,827 km (0.065 R)
• M19: 15,297,429 km (0.052 R)
• M20: 16,982,350 km (0.105 R)
• M21: 21,876,744 km (0.064 R)
• M22: 26,028,384 km (0.102 R)
• M23: 26,529,088 km (0.091 R)
• M24: 27,549,794 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 14,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit