🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 8.5

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.54 AU - 0.82 AU

Year: 380 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,701,683 km

• M1: 105,766 km (0.087 R)
• M2: 408,851 km (0.054 R)
• M3: 734,825 km (0.09 R)
• M4: 1,047,634 km (0.107 R)
• M5: 2,009,698 km (0.059 R)
• M6: 2,607,640 km (0.032 R)
• M7: 3,447,633 km (0.094 R)
• M8: 3,714,515 km (0.11 R)
• M9: 4,074,298 km (0.079 R)
• M10: 4,715,923 km (0.072 R)
• M11: 5,138,388 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 8.3

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.69 AU - 0.91 AU

Year: 485 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,701,683 km

• M1: 104,270 km (0.117 R)
• M2: 364,869 km (0.074 R)
• M3: 841,488 km (0.111 R)
• M4: 1,270,236 km (0.099 R)
• M5: 1,561,353 km (0.069 R)
• M6: 1,839,455 km (0.116 R)
• M7: 2,114,566 km (0.051 R)
• M8: 2,558,572 km (0.104 R)
• M9: 2,880,806 km (0.117 R)
• M10: 4,213,873 km (0.066 R)
• M11: 4,618,685 km (0.103 R)
• M12: 5,065,683 km (0.113 R)
• M13: 5,576,410 km (0.061 R)
• M14: 5,917,194 km (0.102 R)
• M15: 6,640,799 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 12.1

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.97 AU - 1.05 AU

Year: 688 Days

Day: 14.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,701,683 km

• M1: 150,495 km (0.07 R)
• M2: 566,527 km (0.088 R)
• M3: 963,111 km (0.096 R)
• M4: 1,712,746 km (0.113 R)
• M5: 2,300,217 km (0.118 R)
• M6: 3,008,712 km (0.06 R)
• M7: 3,598,278 km (0.102 R)
• M8: 4,037,796 km (0.108 R)
• M9: 4,414,932 km (0.12 R)
• M10: 5,010,182 km (0.097 R)
• M11: 5,543,947 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.4

Radius: 11.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.13 AU - 1.39 AU

Year: 959 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,701,683 km

• M1: 145,559 km (0.032 R)
• M2: 582,085 km (0.114 R)
• M3: 958,324 km (0.038 R)
• M4: 2,024,807 km (0.114 R)
• M5: 2,686,778 km (0.065 R)
• M6: 3,128,241 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 13.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.02 AU - 1.6 AU

Year: 1017 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 79.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,701,683 km

• M1: 163,510 km (0.057 R)
• M2: 682,914 km (0.115 R)
• M3: 1,094,308 km (0.109 R)
• M4: 1,579,903 km (0.112 R)
• M5: 1,989,203 km (0.112 R)
• M6: 2,414,809 km (0.055 R)
• M7: 3,257,942 km (0.114 R)
• M8: 3,718,704 km (0.089 R)
• M9: 4,808,674 km (0.033 R)
• M10: 5,707,458 km (0.112 R)
• M11: 7,369,939 km (0.109 R)
• M12: 7,863,462 km (0.047 R)

Asteroid Belt

Center: 2.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 13.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.94 AU - 4.82 AU

Year: 6217 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,701,683 km

• M1: 162,912 km (0.104 R)
• M2: 803,640 km (0.113 R)
• M3: 1,385,276 km (0.114 R)
• M4: 1,817,913 km (0.057 R)
• M5: 2,479,585 km (0.107 R)
• M6: 3,276,193 km (0.095 R)
• M7: 4,770,377 km (0.054 R)
• M8: 5,228,894 km (0.089 R)
• M9: 9,760,064 km (0.107 R)
• M10: 10,694,153 km (0.106 R)
• M11: 14,735,091 km (0.111 R)
• M12: 19,988,519 km (0.101 R)
• M13: 21,416,581 km (0.098 R)
• M14: 27,540,220 km (0.085 R)
• M15: 28,090,142 km (0.091 R)
• M16: 31,049,337 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 10.3

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.51 AU - 5.27 AU

Year: 7334 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 137.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,701,683 km

• M1: 130,150 km (0.12 R)
• M2: 503,995 km (0.107 R)
• M3: 880,832 km (0.093 R)
• M4: 1,367,325 km (0.094 R)
• M5: 2,286,304 km (0.1 R)
• M6: 3,393,927 km (0.09 R)
• M7: 5,569,529 km (0.12 R)
• M8: 6,454,699 km (0.085 R)
• M9: 8,134,833 km (0.112 R)
• M10: 15,022,768 km (0.075 R)
• M11: 15,640,757 km (0.096 R)
• M12: 17,461,512 km (0.114 R)
• M13: 22,225,456 km (0.091 R)
• M14: 24,946,791 km (0.034 R)
• M15: 25,291,166 km (0.065 R)
• M16: 26,165,864 km (0.12 R)
• M17: 33,693,480 km (0.099 R)
• M18: 37,834,648 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.5

Radius: 6

Gravity: 18.68 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.11 AU - 8.97 AU

Year: 15462 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 108.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,701,683 km

• M1: 74,649 km (0.1 R)
• M2: 280,945 km (0.073 R)
• M3: 638,933 km (0.117 R)
• M4: 910,901 km (0.106 R)
• M5: 1,129,614 km (0.072 R)
• M6: 2,619,758 km (0.059 R)
• M7: 2,849,690 km (0.098 R)
• M8: 3,168,632 km (0.093 R)
• M9: 3,429,980 km (0.059 R)
• M10: 4,025,828 km (0.114 R)
• M11: 4,239,005 km (0.099 R)
• M12: 4,556,751 km (0.046 R)
• M13: 7,468,973 km (0.073 R)
• M14: 7,838,629 km (0.119 R)
• M15: 10,893,268 km (0.035 R)
• M16: 12,297,394 km (0.115 R)
• M17: 13,142,323 km (0.081 R)
• M18: 14,587,887 km (0.113 R)
• M19: 15,534,093 km (0.098 R)
• M20: 15,758,191 km (0.102 R)
• M21: 16,443,349 km (0.12 R)
• M22: 17,628,912 km (0.069 R)
• M23: 17,872,757 km (0.112 R)
• M24: 23,823,311 km (0.06 R)
• M25: 24,221,242 km (0.081 R)
• M26: 25,235,814 km (0.116 R)
• M27: 26,490,043 km (0.082 R)
• M28: 29,122,517 km (0.098 R)
• M29: 33,638,727 km (0.115 R)
• M30: 34,265,691 km (0.066 R)
• M31: 34,772,978 km (0.099 R)
• M32: 35,028,341 km (0.097 R)
• M33: 39,011,834 km (0.104 R)
• M34: 47,864,288 km (0.069 R)
• M35: 50,432,434 km (0.058 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: 158 - 17,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit