🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 13.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.59 AU - 0.93 AU

Year: 421 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,553,200 km

• M1: 169,195 km (0.118 R)
• M2: 680,371 km (0.106 R)
• M3: 1,111,811 km (0.044 R)
• M4: 1,549,684 km (0.047 R)
• M5: 2,538,975 km (0.088 R)
• M6: 3,032,498 km (0.113 R)
• M7: 3,590,349 km (0.071 R)
• M8: 4,049,614 km (0.075 R)
• M9: 4,504,093 km (0.107 R)
• M10: 5,365,627 km (0.118 R)
• M11: 5,898,046 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 10.3

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1.02 AU

Year: 481 Days

Day: 11.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,553,200 km

• M1: 128,505 km (0.079 R)
• M2: 556,354 km (0.079 R)
• M3: 934,239 km (0.091 R)
• M4: 1,324,839 km (0.085 R)
• M5: 1,725,163 km (0.09 R)
• M6: 2,059,963 km (0.118 R)
• M7: 2,794,488 km (0.03 R)
• M8: 3,163,696 km (0.04 R)
• M9: 3,496,252 km (0.048 R)
• M10: 3,963,596 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.8

Radius: 9.8

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1 AU - 1.56 AU

Year: 921 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,553,200 km

• M1: 122,221 km (0.105 R)
• M2: 430,692 km (0.097 R)
• M3: 866,770 km (0.112 R)
• M4: 1,591,721 km (0.102 R)
• M5: 2,323,853 km (0.096 R)
• M6: 2,741,680 km (0.065 R)
• M7: 4,322,331 km (0.061 R)
• M8: 4,678,075 km (0.106 R)
• M9: 5,509,839 km (0.117 R)
• M10: 6,102,546 km (0.104 R)
• M11: 7,900,712 km (0.091 R)
• M12: 8,710,336 km (0.05 R)
• M13: 9,309,326 km (0.103 R)
• M14: 9,753,781 km (0.118 R)
• M15: 10,088,731 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.4

Radius: 12.1

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.53 AU - 1.87 AU

Year: 1409 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,553,200 km

• M1: 150,495 km (0.076 R)
• M2: 606,619 km (0.074 R)
• M3: 1,149,660 km (0.066 R)
• M4: 1,613,712 km (0.093 R)
• M5: 2,191,310 km (0.043 R)
• M6: 2,889,483 km (0.117 R)
• M7: 3,629,992 km (0.084 R)
• M8: 4,027,773 km (0.098 R)
• M9: 4,749,583 km (0.057 R)
• M10: 6,500,626 km (0.071 R)
• M11: 6,959,443 km (0.095 R)
• M12: 7,385,497 km (0.088 R)
• M13: 7,800,631 km (0.092 R)
• M14: 8,647,804 km (0.068 R)
• M15: 11,303,765 km (0.081 R)
• M16: 12,349,903 km (0.113 R)
• M17: 13,216,224 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.4

Radius: 4.5

Gravity: 16.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.85 AU - 11.45 AU

Year: 19060 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,553,200 km

• M1: 55,950 km (0.097 R)
• M2: 261,946 km (0.062 R)
• M3: 469,289 km (0.057 R)
• M4: 1,175,091 km (0.059 R)
• M5: 1,922,482 km (0.094 R)
• M6: 3,063,914 km (0.119 R)
• M7: 3,961,052 km (0.03 R)
• M8: 5,365,627 km (0.047 R)
• M9: 6,335,470 km (0.119 R)
• M10: 7,286,314 km (0.077 R)
• M11: 9,312,467 km (0.053 R)
• M12: 12,413,332 km (0.114 R)
• M13: 13,235,522 km (0.066 R)
• M14: 13,627,020 km (0.037 R)
• M15: 15,628,490 km (0.111 R)
• M16: 17,041,142 km (0.114 R)
• M17: 17,194,630 km (0.102 R)
• M18: 23,639,755 km (0.064 R)
• M19: 24,119,066 km (0.106 R)
• M20: 26,305,290 km (0.051 R)
• M21: 27,236,536 km (0.085 R)
• M22: 28,404,297 km (0.081 R)
• M23: 31,411,364 km (0.08 R)
• M24: 33,170,336 km (0.115 R)
• M25: 34,993,934 km (0.107 R)
• M26: 38,706,803 km (0.092 R)
• M27: 39,506,554 km (0.089 R)
• M28: 44,391,822 km (0.05 R)
• M29: 45,858,180 km (0.08 R)
• M30: 53,183,988 km (0.08 R)
• M31: 53,676,464 km (0.097 R)
• M32: 55,507,991 km (0.088 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: 422 - 16,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit