🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 14.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.1 AU - 1.46 AU

Year: 982 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,086,109 km

• M1: 175,777 km (0.117 R)
• M2: 845,228 km (0.099 R)
• M3: 1,692,102 km (0.112 R)
• M4: 2,468,215 km (0.1 R)
• M5: 3,182,246 km (0.046 R)
• M6: 4,682,862 km (0.072 R)
• M7: 5,167,858 km (0.093 R)
• M8: 5,998,276 km (0.068 R)
• M9: 6,635,713 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 8.3

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.21 AU - 1.59 AU

Year: 1124 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,086,109 km

• M1: 103,223 km (0.099 R)
• M2: 404,812 km (0.086 R)
• M3: 791,223 km (0.113 R)
• M4: 1,424,172 km (0.105 R)
• M5: 1,705,715 km (0.108 R)
• M6: 2,143,438 km (0.083 R)
• M7: 2,628,883 km (0.047 R)
• M8: 3,562,524 km (0.06 R)
• M9: 5,272,876 km (0.071 R)
• M10: 5,650,012 km (0.1 R)
• M11: 9,497,819 km (0.074 R)
• M12: 10,120,446 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.8

Radius: 8.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.78 AU - 2.46 AU

Year: 2094 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,086,109 km

• M1: 107,112 km (0.078 R)
• M2: 641,924 km (0.071 R)
• M3: 1,249,441 km (0.099 R)
• M4: 2,199,238 km (0.083 R)
• M5: 2,860,461 km (0.085 R)
• M6: 3,289,956 km (0.063 R)
• M7: 4,171,387 km (0.085 R)
• M8: 4,725,049 km (0.115 R)
• M9: 5,347,525 km (0.081 R)
• M10: 5,777,470 km (0.059 R)
• M11: 6,585,298 km (0.107 R)
• M12: 8,004,084 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.1

Radius: 13.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.28 AU - 2.7 AU

Year: 2665 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,086,109 km

• M1: 166,652 km (0.114 R)
• M2: 591,660 km (0.119 R)
• M3: 1,087,876 km (0.116 R)
• M4: 1,569,880 km (0.118 R)
• M5: 2,318,019 km (0.051 R)
• M6: 3,153,822 km (0.103 R)
• M7: 3,758,198 km (0.107 R)
• M8: 4,460,859 km (0.113 R)
• M9: 5,703,868 km (0.072 R)
• M10: 6,184,376 km (0.11 R)
• M11: 6,779,028 km (0.078 R)
• M12: 7,257,591 km (0.099 R)
• M13: 8,116,582 km (0.056 R)
• M14: 9,809,880 km (0.082 R)
• M15: 14,124,133 km (0.032 R)
• M16: 18,506,603 km (0.103 R)
• M17: 19,624,398 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 8.4

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.35 AU - 4.93 AU

Year: 6779 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,086,109 km

• M1: 104,569 km (0.107 R)
• M2: 735,423 km (0.03 R)
• M3: 1,304,643 km (0.119 R)
• M4: 1,591,123 km (0.109 R)
• M5: 3,081,567 km (0.062 R)
• M6: 4,798,501 km (0.067 R)
• M7: 5,812,176 km (0.115 R)
• M8: 6,925,185 km (0.09 R)
• M9: 7,848,802 km (0.065 R)
• M10: 9,027,633 km (0.115 R)
• M11: 9,567,382 km (0.102 R)
• M12: 9,938,983 km (0.097 R)
• M13: 11,522,926 km (0.079 R)
• M14: 11,837,680 km (0.054 R)
• M15: 12,158,118 km (0.107 R)
• M16: 12,984,796 km (0.03 R)
• M17: 13,268,434 km (0.079 R)
• M18: 13,789,483 km (0.117 R)
• M19: 14,934,355 km (0.044 R)
• M20: 16,469,529 km (0.094 R)
• M21: 18,390,365 km (0.108 R)
• M22: 19,111,128 km (0.101 R)
• M23: 21,942,417 km (0.08 R)
• M24: 23,667,879 km (0.114 R)
• M25: 26,106,624 km (0.086 R)
• M26: 26,559,157 km (0.059 R)
• M27: 33,032,107 km (0.082 R)
• M28: 35,624,788 km (0.079 R)
• M29: 37,771,368 km (0.072 R)
• M30: 39,763,712 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.4

Radius: 7.5

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.08 AU - 6.9 AU

Year: 9943 Days

Day: 23.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,086,109 km

• M1: 101,577 km (0.119 R)
• M2: 363,523 km (0.063 R)
• M3: 728,841 km (0.033 R)
• M4: 1,169,706 km (0.097 R)
• M5: 1,882,540 km (0.117 R)
• M6: 2,524,913 km (0.1 R)
• M7: 2,896,963 km (0.102 R)
• M8: 3,216,055 km (0.077 R)
• M9: 4,130,696 km (0.087 R)
• M10: 4,370,801 km (0.109 R)
• M11: 6,606,092 km (0.076 R)
• M12: 7,160,801 km (0.108 R)
• M13: 8,030,264 km (0.04 R)
• M14: 9,190,994 km (0.098 R)
• M15: 10,072,425 km (0.065 R)
• M16: 11,368,092 km (0.115 R)
• M17: 12,056,092 km (0.088 R)
• M18: 12,437,866 km (0.055 R)
• M19: 12,715,520 km (0.092 R)
• M20: 13,168,203 km (0.104 R)
• M21: 13,867,423 km (0.108 R)
• M22: 14,286,746 km (0.079 R)
• M23: 14,652,663 km (0.062 R)
• M24: 18,376,602 km (0.077 R)
• M25: 19,471,808 km (0.104 R)
• M26: 20,455,714 km (0.062 R)
• M27: 21,872,256 km (0.047 R)
• M28: 22,358,599 km (0.113 R)
• M29: 22,935,149 km (0.084 R)
• M30: 24,376,375 km (0.086 R)
• M31: 26,148,212 km (0.118 R)
• M32: 34,096,646 km (0.033 R)
• M33: 34,860,343 km (0.067 R)
• M34: 35,523,959 km (0.119 R)
• M35: 36,990,617 km (0.103 R)
• M36: 37,334,692 km (0.078 R)
• M37: 38,968,899 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.6

Radius: 4.1

Gravity: 33.83 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.78 AU - 9.26 AU

Year: 15405 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,086,109 km

• M1: 51,462 km (0.068 R)
• M2: 245,640 km (0.082 R)
• M3: 538,552 km (0.048 R)
• M4: 791,074 km (0.118 R)
• M5: 2,410,620 km (0.116 R)
• M6: 2,759,632 km (0.044 R)
• M7: 2,946,330 km (0.081 R)
• M8: 3,779,141 km (0.118 R)
• M9: 5,377,146 km (0.117 R)
• M10: 10,039,364 km (0.104 R)
• M11: 14,708,014 km (0.108 R)
• M12: 15,278,131 km (0.044 R)
• M13: 15,568,501 km (0.078 R)
• M14: 18,026,543 km (0.079 R)
• M15: 18,679,239 km (0.119 R)
• M16: 20,554,897 km (0.119 R)
• M17: 20,731,423 km (0.045 R)
• M18: 21,177,075 km (0.113 R)
• M19: 22,458,979 km (0.096 R)
• M20: 22,740,223 km (0.103 R)
• M21: 27,245,961 km (0.041 R)
• M22: 37,443,001 km (0.07 R)
• M23: 44,255,688 km (0.059 R)
• M24: 57,950,625 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 12,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit