🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.51 AU - 0.55 AU

Year: 245 Days

Day: 44.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.3

Radius: 10.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.77 AU - 1.01 AU

Year: 534 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,055,285 km

• M1: 130,001 km (0.074 R)
• M2: 484,996 km (0.069 R)
• M3: 1,270,236 km (0.096 R)
• M4: 1,621,491 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 8.3

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.98 AU - 1.6 AU

Year: 932 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 140.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,055,285 km

• M1: 103,223 km (0.103 R)
• M2: 623,973 km (0.088 R)
• M3: 920,476 km (0.071 R)
• M4: 1,246,001 km (0.112 R)
• M5: 1,784,852 km (0.087 R)
• M6: 2,287,351 km (0.095 R)
• M7: 2,701,887 km (0.1 R)
• M8: 3,439,105 km (0.049 R)
• M9: 4,956,776 km (0.044 R)
• M10: 5,927,516 km (0.119 R)
• M11: 6,829,143 km (0.092 R)
• M12: 7,312,793 km (0.117 R)
• M13: 7,949,332 km (0.119 R)
• M14: 8,294,604 km (0.107 R)
• M15: 8,622,223 km (0.072 R)
• M16: 9,777,268 km (0.05 R)
• M17: 10,143,035 km (0.054 R)
• M18: 10,454,797 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 13.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.18 AU - 2.88 AU

Year: 2559 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,055,285 km

• M1: 164,258 km (0.119 R)
• M2: 945,459 km (0.113 R)
• M3: 1,617,602 km (0.109 R)
• M4: 2,138,502 km (0.06 R)
• M5: 2,801,071 km (0.074 R)
• M6: 3,226,078 km (0.12 R)
• M7: 5,429,505 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459

Radius: 14.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.49 AU - 2.61 AU

Year: 2589 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,055,285 km

• M1: 208,390 km (0.069 R)
• M2: 675,285 km (0.088 R)
• M3: 1,256,921 km (0.094 R)
• M4: 2,803,464 km (0.038 R)
• M5: 3,267,666 km (0.073 R)
• M6: 3,911,536 km (0.037 R)
• M7: 4,515,462 km (0.087 R)
• M8: 6,366,885 km (0.078 R)
• M9: 7,756,051 km (0.093 R)
• M10: 8,649,749 km (0.103 R)
• M11: 10,864,994 km (0.105 R)
• M12: 11,434,663 km (0.115 R)
• M13: 12,387,601 km (0.058 R)
• M14: 13,051,965 km (0.117 R)
• M15: 13,915,744 km (0.089 R)
• M16: 14,588,336 km (0.096 R)
• M17: 15,376,716 km (0.11 R)
• M18: 16,787,125 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222

Radius: 13.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.34 AU - 4.26 AU

Year: 4710 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,055,285 km

• M1: 171,738 km (0.096 R)
• M2: 962,064 km (0.037 R)
• M3: 1,699,133 km (0.095 R)
• M4: 3,335,135 km (0.099 R)
• M5: 4,271,169 km (0.076 R)
• M6: 4,926,557 km (0.118 R)
• M7: 5,698,781 km (0.057 R)
• M8: 6,634,516 km (0.091 R)
• M9: 11,924,895 km (0.09 R)
• M10: 17,219,912 km (0.08 R)
• M11: 19,577,425 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.9

Radius: 8.8

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.21 AU - 5.25 AU

Year: 5532 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,055,285 km

• M1: 110,403 km (0.074 R)
• M2: 419,323 km (0.116 R)
• M3: 732,431 km (0.069 R)
• M4: 1,186,012 km (0.081 R)
• M5: 1,993,840 km (0.042 R)
• M6: 2,570,540 km (0.082 R)
• M7: 2,849,839 km (0.091 R)
• M8: 3,191,222 km (0.061 R)
• M9: 3,470,521 km (0.113 R)
• M10: 4,593,851 km (0.081 R)
• M11: 5,065,085 km (0.116 R)
• M12: 8,195,121 km (0.102 R)
• M13: 8,476,215 km (0.102 R)
• M14: 10,628,330 km (0.091 R)
• M15: 12,583,425 km (0.073 R)
• M16: 13,786,341 km (0.12 R)
• M17: 14,590,729 km (0.075 R)
• M18: 17,061,188 km (0.119 R)
• M19: 19,158,102 km (0.064 R)
• M20: 22,421,280 km (0.06 R)
• M21: 25,522,893 km (0.071 R)
• M22: 29,929,597 km (0.094 R)
• M23: 30,887,323 km (0.086 R)
• M24: 32,362,059 km (0.09 R)
• M25: 32,763,130 km (0.12 R)
• M26: 35,557,619 km (0.117 R)

Asteroid Belt

Center: 4.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 10.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.9 AU - 5.68 AU

Year: 6666 Days

Day: 6.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 119.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,055,285 km

• M1: 136,433 km (0.089 R)
• M2: 511,475 km (0.11 R)
• M3: 1,217,128 km (0.1 R)
• M4: 2,759,782 km (0.046 R)
• M5: 3,224,133 km (0.101 R)
• M6: 3,672,927 km (0.078 R)
• M7: 4,565,577 km (0.064 R)
• M8: 6,410,269 km (0.077 R)
• M9: 8,349,356 km (0.116 R)
• M10: 8,910,049 km (0.078 R)
• M11: 10,884,292 km (0.111 R)
• M12: 11,263,523 km (0.043 R)
• M13: 11,799,532 km (0.114 R)
• M14: 12,870,204 km (0.117 R)
• M15: 15,145,139 km (0.108 R)
• M16: 15,618,466 km (0.091 R)
• M17: 16,408,792 km (0.091 R)
• M18: 18,003,057 km (0.107 R)
• M19: 18,871,771 km (0.116 R)
• M20: 21,055,900 km (0.046 R)
• M21: 27,549,645 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.4

Radius: 13

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.16 AU - 6.28 AU

Year: 7583 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,055,285 km

• M1: 161,865 km (0.104 R)
• M2: 607,068 km (0.073 R)
• M3: 1,178,083 km (0.119 R)
• M4: 1,821,803 km (0.041 R)
• M5: 3,580,027 km (0.102 R)
• M6: 6,708,417 km (0.082 R)
• M7: 13,150,550 km (0.035 R)
• M8: 14,224,214 km (0.09 R)
• M9: 14,782,514 km (0.086 R)
• M10: 18,154,898 km (0.105 R)
• M11: 23,265,162 km (0.103 R)
• M12: 24,303,371 km (0.102 R)
• M13: 26,286,590 km (0.112 R)
• M14: 29,460,757 km (0.055 R)
• M15: 33,749,728 km (0.1 R)
• M16: 36,675,414 km (0.04 R)
• M17: 41,124,604 km (0.115 R)
• M18: 42,131,847 km (0.043 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.8

Radius: 14.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.19 AU - 5.89 AU

Year: 8291 Days

Day: 14.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,055,285 km

• M1: 185,950 km (0.117 R)
• M2: 691,142 km (0.102 R)
• M3: 1,214,136 km (0.098 R)
• M4: 2,011,343 km (0.096 R)
• M5: 2,559,470 km (0.109 R)
• M6: 3,140,209 km (0.088 R)
• M7: 4,232,573 km (0.114 R)
• M8: 5,401,231 km (0.118 R)
• M9: 8,638,828 km (0.119 R)
• M10: 10,615,914 km (0.106 R)
• M11: 11,355,675 km (0.057 R)
• M12: 12,529,719 km (0.063 R)
• M13: 13,296,109 km (0.034 R)
• M14: 13,844,834 km (0.093 R)
• M15: 14,472,248 km (0.094 R)
• M16: 16,330,702 km (0.043 R)
• M17: 16,889,749 km (0.08 R)
• M18: 19,643,846 km (0.093 R)
• M19: 22,171,900 km (0.08 R)
• M20: 25,186,298 km (0.082 R)
• M21: 30,520,210 km (0.05 R)
• M22: 36,208,369 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 12,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit