🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.1

Radius: 8.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.77 AU - 0.95 AU

Year: 561 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,585,754 km

• M1: 109,506 km (0.115 R)
• M2: 384,018 km (0.079 R)
• M3: 1,296,116 km (0.106 R)
• M4: 1,715,289 km (0.113 R)
• M5: 2,882,153 km (0.104 R)
• M6: 3,163,696 km (0.115 R)
• M7: 3,563,720 km (0.033 R)
• M8: 4,659,824 km (0.062 R)
• M9: 5,597,504 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 13

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.85 AU - 1.31 AU

Year: 789 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,585,754 km

• M1: 161,865 km (0.109 R)
• M2: 1,046,288 km (0.117 R)
• M3: 1,715,588 km (0.115 R)
• M4: 2,119,951 km (0.1 R)
• M5: 2,611,979 km (0.058 R)
• M6: 3,246,723 km (0.115 R)
• M7: 3,814,895 km (0.074 R)
• M8: 4,235,415 km (0.12 R)
• M9: 4,687,051 km (0.119 R)
• M10: 5,170,850 km (0.091 R)
• M11: 5,767,596 km (0.077 R)
• M12: 6,962,135 km (0.082 R)
• M13: 7,450,423 km (0.103 R)
• M14: 8,111,945 km (0.09 R)
• M15: 8,919,474 km (0.088 R)
• M16: 9,496,323 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.4

Radius: 13.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.2 AU - 1.38 AU

Year: 1030 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,585,754 km

• M1: 162,912 km (0.09 R)
• M2: 688,599 km (0.111 R)
• M3: 1,366,577 km (0.066 R)
• M4: 1,801,757 km (0.096 R)
• M5: 2,276,880 km (0.098 R)
• M6: 3,648,393 km (0.091 R)
• M7: 5,532,578 km (0.108 R)
• M8: 6,069,784 km (0.11 R)
• M9: 6,484,320 km (0.098 R)
• M10: 8,603,673 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 9.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.25 AU - 3.13 AU

Year: 3101 Days

Day: 6.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,585,754 km

• M1: 118,182 km (0.048 R)
• M2: 495,019 km (0.101 R)
• M3: 833,559 km (0.094 R)
• M4: 1,145,770 km (0.102 R)
• M5: 1,744,610 km (0.112 R)
• M6: 2,307,846 km (0.113 R)
• M7: 2,757,687 km (0.088 R)
• M8: 3,198,552 km (0.102 R)
• M9: 3,577,483 km (0.116 R)
• M10: 6,330,832 km (0.099 R)
• M11: 7,273,598 km (0.103 R)
• M12: 8,244,039 km (0.105 R)
• M13: 8,793,512 km (0.106 R)
• M14: 9,575,461 km (0.112 R)
• M15: 9,893,954 km (0.114 R)
• M16: 11,434,812 km (0.119 R)
• M17: 12,324,621 km (0.119 R)
• M18: 13,172,990 km (0.102 R)
• M19: 13,700,323 km (0.068 R)
• M20: 15,223,528 km (0.113 R)
• M21: 17,269,429 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 8.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.54 AU - 3.52 AU

Year: 3707 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,585,754 km

• M1: 109,506 km (0.103 R)
• M2: 389,104 km (0.111 R)
• M3: 809,923 km (0.113 R)
• M4: 1,256,622 km (0.083 R)
• M5: 1,933,253 km (0.109 R)
• M6: 2,502,024 km (0.056 R)
• M7: 4,091,951 km (0.118 R)
• M8: 5,763,856 km (0.11 R)
• M9: 6,130,222 km (0.102 R)
• M10: 6,484,320 km (0.105 R)
• M11: 8,331,704 km (0.106 R)
• M12: 8,732,776 km (0.096 R)
• M13: 9,041,995 km (0.071 R)
• M14: 11,133,074 km (0.047 R)
• M15: 13,482,059 km (0.086 R)
• M16: 14,270,290 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.4

Radius: 6.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.33 AU - 6.55 AU

Year: 11488 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,585,754 km

• M1: 79,586 km (0.103 R)
• M2: 403,316 km (0.095 R)
• M3: 628,461 km (0.111 R)
• M4: 1,039,406 km (0.095 R)
• M5: 1,528,142 km (0.037 R)
• M6: 1,735,335 km (0.118 R)
• M7: 2,255,637 km (0.103 R)
• M8: 2,991,658 km (0.099 R)
• M9: 3,318,829 km (0.09 R)
• M10: 4,628,259 km (0.052 R)
• M11: 6,121,096 km (0.118 R)
• M12: 6,514,239 km (0.108 R)
• M13: 6,820,017 km (0.067 R)
• M14: 7,135,370 km (0.048 R)
• M15: 7,909,090 km (0.101 R)
• M16: 10,940,541 km (0.112 R)
• M17: 15,312,240 km (0.087 R)
• M18: 15,792,598 km (0.066 R)
• M19: 18,413,553 km (0.078 R)
• M20: 18,888,227 km (0.086 R)
• M21: 19,163,188 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.2

Radius: 7.6

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.17 AU - 11.01 AU

Year: 22529 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,585,754 km

• M1: 94,546 km (0.115 R)
• M2: 370,255 km (0.11 R)
• M3: 855,251 km (0.12 R)
• M4: 1,138,141 km (0.093 R)
• M5: 1,935,647 km (0.062 R)
• M6: 2,173,807 km (0.081 R)
• M7: 2,983,730 km (0.119 R)
• M8: 4,171,836 km (0.062 R)
• M9: 4,711,735 km (0.04 R)
• M10: 9,474,482 km (0.082 R)
• M11: 10,526,604 km (0.099 R)
• M12: 12,517,901 km (0.074 R)
• M13: 16,894,686 km (0.075 R)
• M14: 17,483,653 km (0.099 R)
• M15: 17,912,699 km (0.084 R)
• M16: 19,060,863 km (0.048 R)
• M17: 19,791,499 km (0.108 R)
• M18: 20,163,699 km (0.075 R)
• M19: 21,601,185 km (0.087 R)
• M20: 23,208,614 km (0.092 R)
• M21: 24,041,425 km (0.104 R)
• M22: 26,886,029 km (0.05 R)
• M23: 31,561,710 km (0.082 R)
• M24: 38,601,337 km (0.094 R)
• M25: 44,360,855 km (0.112 R)
• M26: 45,642,310 km (0.097 R)
• M27: 52,067,688 km (0.114 R)
• M28: 52,599,210 km (0.082 R)
• M29: 58,115,182 km (0.086 R)
• M30: 70,712,071 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 19,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit