🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.5

Radius: 12.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.6 AU - 0.96 AU

Year: 484 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 158.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,013,868 km

• M1: 160,369 km (0.106 R)
• M2: 817,403 km (0.027 R)
• M3: 1,334,114 km (0.041 R)
• M4: 1,998,777 km (0.089 R)
• M5: 2,709,666 km (0.103 R)
• M6: 3,309,254 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 11.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.8 AU - 1.3 AU

Year: 756 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,013,868 km

• M1: 147,952 km (0.03 R)
• M2: 517,609 km (0.034 R)
• M3: 885,470 km (0.057 R)
• M4: 1,339,200 km (0.089 R)
• M5: 1,822,252 km (0.118 R)
• M6: 2,695,454 km (0.091 R)
• M7: 3,416,217 km (0.098 R)
• M8: 4,577,396 km (0.077 R)
• M9: 5,018,261 km (0.074 R)
• M10: 5,897,447 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 10.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.37 AU - 1.85 AU

Year: 1436 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,013,868 km

• M1: 134,488 km (0.11 R)
• M2: 521,199 km (0.095 R)
• M3: 911,799 km (0.066 R)
• M4: 1,254,827 km (0.092 R)
• M5: 1,779,616 km (0.056 R)
• M6: 2,190,562 km (0.096 R)
• M7: 2,540,022 km (0.104 R)
• M8: 3,000,634 km (0.078 R)
• M9: 3,528,415 km (0.075 R)
• M10: 4,157,026 km (0.119 R)
• M11: 4,640,376 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 11.8

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.05 AU - 2.59 AU

Year: 2484 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,013,868 km

• M1: 146,756 km (0.106 R)
• M2: 856,448 km (0.051 R)
• M3: 1,370,167 km (0.083 R)
• M4: 2,175,303 km (0.119 R)
• M5: 3,206,780 km (0.116 R)
• M6: 3,577,483 km (0.107 R)
• M7: 3,946,242 km (0.044 R)
• M8: 4,472,378 km (0.115 R)
• M9: 5,510,886 km (0.072 R)
• M10: 6,107,931 km (0.114 R)
• M11: 6,925,633 km (0.11 R)
• M12: 8,621,325 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 9.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.47 AU - 3.53 AU

Year: 4603 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,013,868 km

• M1: 120,576 km (0.063 R)
• M2: 457,919 km (0.114 R)
• M3: 1,017,116 km (0.093 R)
• M4: 1,560,605 km (0.099 R)
• M5: 3,516,298 km (0.056 R)
• M6: 3,878,026 km (0.104 R)
• M7: 4,264,287 km (0.056 R)
• M8: 5,823,995 km (0.097 R)
• M9: 6,279,969 km (0.032 R)
• M10: 7,883,359 km (0.033 R)
• M11: 10,570,586 km (0.102 R)
• M12: 11,758,991 km (0.047 R)
• M13: 12,201,502 km (0.085 R)
• M14: 12,571,607 km (0.118 R)
• M15: 13,034,313 km (0.071 R)
• M16: 13,377,939 km (0.096 R)
• M17: 14,490,798 km (0.041 R)
• M18: 15,377,016 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 12.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.33 AU - 5.99 AU

Year: 8239 Days

Day: 9.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,013,868 km

• M1: 160,369 km (0.113 R)
• M2: 1,572,423 km (0.071 R)
• M3: 2,551,541 km (0.056 R)
• M4: 3,729,625 km (0.083 R)
• M5: 4,940,619 km (0.107 R)
• M6: 5,429,505 km (0.058 R)
• M7: 6,831,836 km (0.037 R)
• M8: 9,624,379 km (0.117 R)
• M9: 13,687,008 km (0.088 R)
• M10: 15,995,902 km (0.108 R)
• M11: 17,625,920 km (0.098 R)
• M12: 18,992,796 km (0.058 R)
• M13: 23,945,682 km (0.102 R)
• M14: 30,604,134 km (0.032 R)
• M15: 31,527,602 km (0.099 R)
• M16: 32,364,003 km (0.051 R)
• M17: 39,235,632 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.4

Radius: 5.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.8 AU - 7.2 AU

Year: 11649 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,013,868 km

• M1: 67,169 km (0.117 R)
• M2: 775,964 km (0.099 R)
• M3: 1,065,735 km (0.103 R)
• M4: 1,311,674 km (0.109 R)
• M5: 1,595,162 km (0.109 R)
• M6: 1,834,070 km (0.049 R)
• M7: 2,502,324 km (0.101 R)
• M8: 2,788,504 km (0.112 R)
• M9: 3,076,480 km (0.115 R)
• M10: 4,743,000 km (0.115 R)
• M11: 5,353,360 km (0.083 R)
• M12: 6,204,123 km (0.063 R)
• M13: 6,830,489 km (0.097 R)
• M14: 8,441,808 km (0.094 R)
• M15: 9,589,822 km (0.115 R)
• M16: 11,598,173 km (0.102 R)
• M17: 11,941,650 km (0.106 R)
• M18: 13,170,746 km (0.089 R)
• M19: 14,482,121 km (0.104 R)
• M20: 15,698,801 km (0.119 R)
• M21: 18,267,994 km (0.088 R)
• M22: 20,175,218 km (0.044 R)
• M23: 22,361,591 km (0.12 R)
• M24: 24,141,207 km (0.095 R)
• M25: 24,943,650 km (0.117 R)
• M26: 30,043,142 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 10,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit