🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.5

Radius: 10.9

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,636,401 km

• M1: 135,536 km (0.119 R)
• M2: 508,483 km (0.101 R)
• M3: 930,648 km (0.1 R)
• M4: 1,283,251 km (0.093 R)
• M5: 1,664,426 km (0.119 R)
• M6: 2,567,997 km (0.09 R)
• M7: 2,950,968 km (0.048 R)
• M8: 3,591,546 km (0.058 R)
• M9: 4,047,221 km (0.094 R)
• M10: 4,582,931 km (0.086 R)
• M11: 5,045,188 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 8.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.62 AU - 0.82 AU

Year: 414 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 152.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,636,401 km

• M1: 103,223 km (0.095 R)
• M2: 412,591 km (0.057 R)
• M3: 769,382 km (0.111 R)
• M4: 1,127,370 km (0.074 R)
• M5: 1,392,607 km (0.076 R)
• M6: 1,720,376 km (0.104 R)
• M7: 2,317,869 km (0.088 R)
• M8: 2,642,198 km (0.027 R)
• M9: 3,036,837 km (0.117 R)
• M10: 4,091,502 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 14.4

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.24 AU - 1.28 AU

Year: 959 Days

Day: 11.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 62,636,401 km

• M1: 179,069 km (0.063 R)
• M2: 1,250,788 km (0.07 R)
• M3: 2,456,696 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.1

Radius: 12.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.48 AU - 4.08 AU

Year: 4029 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,636,401 km

• M1: 158,424 km (0.099 R)
• M2: 916,885 km (0.069 R)
• M3: 1,386,323 km (0.049 R)
• M4: 1,799,363 km (0.078 R)
• M5: 2,266,707 km (0.118 R)
• M6: 3,470,222 km (0.1 R)
• M7: 4,202,653 km (0.107 R)
• M8: 6,004,260 km (0.094 R)
• M9: 6,412,962 km (0.09 R)
• M10: 9,738,971 km (0.104 R)
• M11: 13,275,315 km (0.04 R)
• M12: 15,009,304 km (0.093 R)
• M13: 16,097,180 km (0.084 R)
• M14: 20,913,334 km (0.083 R)
• M15: 22,617,852 km (0.035 R)
• M16: 25,232,673 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356

Radius: 8

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.74 AU - 9.07 AU

Year: 13653 Days

Day: 22.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,636,401 km

• M1: 99,483 km (0.112 R)
• M2: 413,937 km (0.06 R)
• M3: 1,083,837 km (0.079 R)
• M4: 1,403,078 km (0.087 R)
• M5: 1,847,235 km (0.116 R)
• M6: 2,994,351 km (0.115 R)
• M7: 3,995,310 km (0.098 R)
• M8: 7,185,784 km (0.07 R)
• M9: 12,858,984 km (0.105 R)
• M10: 14,850,581 km (0.098 R)
• M11: 15,113,125 km (0.056 R)
• M12: 16,825,422 km (0.117 R)
• M13: 21,040,492 km (0.075 R)
• M14: 24,332,243 km (0.1 R)
• M15: 28,051,994 km (0.084 R)
• M16: 29,268,524 km (0.099 R)
• M17: 30,098,942 km (0.082 R)
• M18: 31,589,834 km (0.1 R)
• M19: 35,648,275 km (0.081 R)
• M20: 43,029,434 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.4

Radius: 7.2

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.08 AU - 8.9 AU

Year: 15318 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,636,401 km

• M1: 89,908 km (0.098 R)
• M2: 350,508 km (0.058 R)
• M3: 652,396 km (0.116 R)
• M4: 901,327 km (0.053 R)
• M5: 1,989,203 km (0.098 R)
• M6: 2,357,812 km (0.101 R)
• M7: 2,725,524 km (0.059 R)
• M8: 3,521,683 km (0.07 R)
• M9: 5,751,141 km (0.109 R)
• M10: 9,037,207 km (0.091 R)
• M11: 10,270,343 km (0.049 R)
• M12: 13,532,175 km (0.047 R)
• M13: 15,803,818 km (0.108 R)
• M14: 19,756,344 km (0.074 R)
• M15: 21,451,287 km (0.112 R)
• M16: 23,924,739 km (0.116 R)
• M17: 25,537,853 km (0.096 R)
• M18: 25,848,268 km (0.116 R)
• M19: 29,316,994 km (0.069 R)
• M20: 32,475,155 km (0.117 R)
• M21: 33,452,777 km (0.064 R)
• M22: 36,112,178 km (0.081 R)
• M23: 45,686,143 km (0.045 R)
• M24: 48,953,061 km (0.047 R)
• M25: 57,528,160 km (0.116 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: 336 - 17,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit