🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 13.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.32 AU

Year: 836 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,011,603 km

• M1: 165,754 km (0.107 R)
• M2: 601,084 km (0.099 R)
• M3: 1,051,523 km (0.086 R)
• M4: 1,500,467 km (0.069 R)
• M5: 2,033,035 km (0.09 R)
• M6: 2,700,690 km (0.078 R)
• M7: 3,124,052 km (0.075 R)
• M8: 3,650,936 km (0.039 R)
• M9: 4,532,516 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858

Radius: 9.3

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.16 AU - 1.84 AU

Year: 1246 Days

Day: 7.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,011,603 km

• M1: 115,789 km (0.093 R)
• M2: 471,084 km (0.084 R)
• M3: 1,035,367 km (0.065 R)
• M4: 1,591,123 km (0.103 R)
• M5: 2,093,772 km (0.113 R)
• M6: 2,673,164 km (0.052 R)
• M7: 3,058,229 km (0.114 R)
• M8: 3,771,512 km (0.042 R)
• M9: 4,516,061 km (0.059 R)
• M10: 5,376,547 km (0.093 R)
• M11: 5,767,596 km (0.119 R)
• M12: 7,419,755 km (0.079 R)
• M13: 7,768,468 km (0.089 R)
• M14: 9,151,500 km (0.06 R)
• M15: 9,710,248 km (0.098 R)
• M16: 10,258,674 km (0.111 R)
• M17: 10,793,636 km (0.096 R)
• M18: 11,559,427 km (0.117 R)
• M19: 12,661,365 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.5

Radius: 9.2

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.31 AU - 1.73 AU

Year: 1271 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,011,603 km

• M1: 114,442 km (0.091 R)
• M2: 486,492 km (0.098 R)
• M3: 784,342 km (0.102 R)
• M4: 1,314,965 km (0.056 R)
• M5: 1,954,646 km (0.099 R)
• M6: 2,607,790 km (0.108 R)
• M7: 3,616,678 km (0.105 R)
• M8: 4,079,534 km (0.094 R)
• M9: 4,562,735 km (0.083 R)
• M10: 5,063,589 km (0.096 R)
• M11: 5,665,271 km (0.038 R)
• M12: 6,572,283 km (0.109 R)
• M13: 8,816,999 km (0.109 R)
• M14: 9,969,202 km (0.112 R)
• M15: 10,647,479 km (0.083 R)
• M16: 11,014,891 km (0.078 R)
• M17: 11,425,238 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.8

Radius: 9.5

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.18 AU - 2.18 AU

Year: 2183 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,011,603 km

• M1: 119,080 km (0.112 R)
• M2: 420,370 km (0.085 R)
• M3: 1,298,510 km (0.107 R)
• M4: 1,730,249 km (0.081 R)
• M5: 2,977,746 km (0.081 R)
• M6: 3,556,839 km (0.1 R)
• M7: 4,092,100 km (0.037 R)
• M8: 5,050,574 km (0.082 R)
• M9: 6,543,560 km (0.086 R)
• M10: 7,879,769 km (0.091 R)
• M11: 9,119,935 km (0.101 R)
• M12: 9,699,477 km (0.081 R)
• M13: 13,014,566 km (0.118 R)
• M14: 13,793,223 km (0.114 R)
• M15: 14,149,266 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 11.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.31 AU - 5.55 AU

Year: 7424 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,011,603 km

• M1: 148,401 km (0.109 R)
• M2: 589,715 km (0.1 R)
• M3: 1,804,150 km (0.073 R)
• M4: 2,876,318 km (0.093 R)
• M5: 4,333,102 km (0.045 R)
• M6: 7,273,598 km (0.116 R)
• M7: 8,980,510 km (0.076 R)
• M8: 11,497,494 km (0.095 R)
• M9: 13,918,137 km (0.112 R)
• M10: 15,123,746 km (0.084 R)
• M11: 15,624,899 km (0.054 R)
• M12: 16,594,593 km (0.072 R)
• M13: 22,294,870 km (0.094 R)
• M14: 29,470,033 km (0.109 R)
• M15: 34,916,592 km (0.088 R)
• M16: 35,572,578 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.8

Radius: 7.9

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.4 AU - 9.56 AU

Year: 18252 Days

Day: 21.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,011,603 km

• M1: 98,286 km (0.103 R)
• M2: 443,707 km (0.091 R)
• M3: 1,215,483 km (0.073 R)
• M4: 2,133,714 km (0.095 R)
• M5: 2,434,257 km (0.037 R)
• M6: 3,121,210 km (0.069 R)
• M7: 3,777,197 km (0.108 R)
• M8: 4,089,707 km (0.103 R)
• M9: 4,802,540 km (0.082 R)
• M10: 5,094,855 km (0.079 R)
• M11: 5,961,026 km (0.065 R)
• M12: 6,605,494 km (0.074 R)
• M13: 7,391,032 km (0.113 R)
• M14: 8,604,271 km (0.082 R)
• M15: 11,101,209 km (0.093 R)
• M16: 11,548,806 km (0.101 R)
• M17: 13,677,883 km (0.081 R)
• M18: 20,166,242 km (0.116 R)
• M19: 20,450,179 km (0.111 R)
• M20: 21,026,130 km (0.078 R)
• M21: 27,510,300 km (0.107 R)
• M22: 27,976,747 km (0.117 R)
• M23: 28,567,509 km (0.059 R)
• M24: 33,595,493 km (0.112 R)
• M25: 34,667,362 km (0.079 R)
• M26: 36,178,151 km (0.042 R)
• M27: 42,816,855 km (0.049 R)
• M28: 59,405,763 km (0.11 R)
• M29: 69,430,167 km (0.09 R)
• M30: 74,050,796 km (0.086 R)
• M31: 75,635,487 km (0.218 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: 227 - 11,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit