🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 10.6

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.6 AU - 0.98 AU

Year: 476 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 135.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,698,449 km

• M1: 131,796 km (0.041 R)
• M2: 924,515 km (0.112 R)
• M3: 1,341,145 km (0.117 R)
• M4: 1,763,908 km (0.109 R)
• M5: 2,165,280 km (0.044 R)
• M6: 2,669,275 km (0.092 R)
• M7: 3,097,424 km (0.12 R)
• M8: 3,713,468 km (0.11 R)
• M9: 4,619,283 km (0.112 R)
• M10: 5,239,815 km (0.112 R)
• M11: 5,789,587 km (0.053 R)
• M12: 6,453,951 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 11.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.82 AU - 1.18 AU

Year: 678 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,698,449 km

• M1: 139,425 km (0.077 R)
• M2: 510,877 km (0.114 R)
• M3: 882,478 km (0.084 R)
• M4: 1,261,708 km (0.102 R)
• M5: 1,664,276 km (0.104 R)
• M6: 2,089,882 km (0.054 R)
• M7: 2,471,806 km (0.099 R)
• M8: 2,880,806 km (0.079 R)
• M9: 3,411,879 km (0.095 R)
• M10: 4,297,947 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 13.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.93 AU - 1.25 AU

Year: 772 Days

Day: 13.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,698,449 km

• M1: 162,912 km (0.086 R)
• M2: 646,861 km (0.102 R)
• M3: 1,129,614 km (0.098 R)
• M4: 1,876,406 km (0.079 R)
• M5: 2,389,377 km (0.097 R)
• M6: 2,810,794 km (0.025 R)
• M7: 3,350,095 km (0.113 R)
• M8: 3,777,047 km (0.105 R)
• M9: 4,953,634 km (0.067 R)
• M10: 6,840,662 km (0.09 R)
• M11: 7,461,942 km (0.085 R)
• M12: 7,896,823 km (0.074 R)
• M13: 8,477,263 km (0.117 R)
• M14: 8,924,560 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 8.3

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.56 AU - 1.64 AU

Year: 1373 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,698,449 km

• M1: 103,223 km (0.056 R)
• M2: 380,876 km (0.037 R)
• M3: 674,836 km (0.093 R)
• M4: 1,026,690 km (0.113 R)
• M5: 1,472,791 km (0.08 R)
• M6: 2,043,357 km (0.107 R)
• M7: 2,411,518 km (0.108 R)
• M8: 2,712,808 km (0.119 R)
• M9: 3,068,851 km (0.114 R)
• M10: 3,520,786 km (0.093 R)
• M11: 3,857,830 km (0.108 R)
• M12: 4,234,817 km (0.049 R)
• M13: 4,735,521 km (0.113 R)
• M14: 6,601,156 km (0.071 R)
• M15: 7,168,132 km (0.111 R)
• M16: 8,972,132 km (0.09 R)
• M17: 10,162,483 km (0.092 R)
• M18: 10,604,694 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 13.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.82 AU - 2.52 AU

Year: 2168 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,698,449 km

• M1: 167,849 km (0.106 R)
• M2: 621,878 km (0.112 R)
• M3: 1,091,017 km (0.116 R)
• M4: 1,589,477 km (0.053 R)
• M5: 2,077,166 km (0.092 R)
• M6: 2,518,031 km (0.086 R)
• M7: 2,977,596 km (0.107 R)
• M8: 3,543,226 km (0.107 R)
• M9: 4,646,360 km (0.032 R)
• M10: 6,184,825 km (0.059 R)
• M11: 6,688,820 km (0.039 R)
• M12: 7,302,321 km (0.073 R)
• M13: 8,277,849 km (0.099 R)
• M14: 9,534,770 km (0.102 R)
• M15: 9,969,501 km (0.111 R)
• M16: 10,771,495 km (0.113 R)
• M17: 11,767,219 km (0.072 R)
• M18: 12,543,781 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 11.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.41 AU - 5.47 AU

Year: 6345 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,698,449 km

• M1: 158,275 km (0.11 R)
• M2: 569,369 km (0.084 R)
• M3: 1,110,914 km (0.065 R)
• M4: 1,628,672 km (0.069 R)
• M5: 2,508,756 km (0.114 R)
• M6: 3,832,548 km (0.119 R)
• M7: 4,500,652 km (0.099 R)
• M8: 5,137,640 km (0.106 R)
• M9: 5,548,136 km (0.025 R)
• M10: 9,833,517 km (0.109 R)
• M11: 10,818,768 km (0.07 R)
• M12: 11,495,998 km (0.119 R)
• M13: 13,854,558 km (0.036 R)
• M14: 14,762,168 km (0.095 R)
• M15: 15,370,433 km (0.089 R)
• M16: 15,995,154 km (0.11 R)
• M17: 16,814,801 km (0.115 R)
• M18: 17,539,453 km (0.094 R)
• M19: 18,729,354 km (0.061 R)
• M20: 25,576,299 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 13.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.99 AU - 5.07 AU

Year: 6539 Days

Day: 7.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,698,449 km

• M1: 171,738 km (0.088 R)
• M2: 796,010 km (0.068 R)
• M3: 1,580,352 km (0.09 R)
• M4: 2,120,999 km (0.033 R)
• M5: 3,387,494 km (0.086 R)
• M6: 4,612,402 km (0.063 R)
• M7: 6,925,633 km (0.108 R)
• M8: 7,807,064 km (0.057 R)
• M9: 8,886,862 km (0.11 R)
• M10: 11,391,728 km (0.087 R)
• M11: 12,098,129 km (0.1 R)
• M12: 12,940,814 km (0.058 R)
• M13: 15,279,777 km (0.104 R)
• M14: 19,333,131 km (0.073 R)
• M15: 20,558,936 km (0.116 R)
• M16: 24,630,541 km (0.068 R)
• M17: 25,556,103 km (0.086 R)
• M18: 28,289,406 km (0.04 R)
• M19: 29,398,076 km (0.117 R)
• M20: 31,407,475 km (0.099 R)
• M21: 33,609,256 km (0.045 R)
• M22: 34,747,845 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 16,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit