🌌 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 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.1

Radius: 13.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.52 AU - 0.56 AU

Year: 265 Days

Day: 11.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,742,876 km

• M1: 167,849 km (0.044 R)
• M2: 665,112 km (0.06 R)
• M3: 1,157,588 km (0.11 R)
• M4: 1,601,445 km (0.089 R)
• M5: 2,282,415 km (0.102 R)
• M6: 2,842,060 km (0.059 R)
• M7: 3,389,439 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 14.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.87 AU - 1.91 AU

Year: 1733 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,742,876 km

• M1: 181,761 km (0.101 R)
• M2: 680,670 km (0.117 R)
• M3: 1,300,903 km (0.069 R)
• M4: 2,830,541 km (0.054 R)
• M5: 3,332,741 km (0.051 R)
• M6: 3,862,767 km (0.059 R)
• M7: 4,519,950 km (0.118 R)
• M8: 7,616,925 km (0.098 R)
• M9: 9,937,039 km (0.115 R)
• M10: 10,623,992 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.6

Radius: 10.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.02 AU - 3.34 AU

Year: 2926 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,742,876 km

• M1: 132,993 km (0.115 R)
• M2: 532,120 km (0.093 R)
• M3: 1,313,170 km (0.079 R)
• M4: 2,277,927 km (0.081 R)
• M5: 2,980,438 km (0.079 R)
• M6: 4,059,637 km (0.071 R)
• M7: 5,158,284 km (0.026 R)
• M8: 5,682,475 km (0.069 R)
• M9: 6,574,078 km (0.11 R)
• M10: 7,442,793 km (0.091 R)
• M11: 8,791,418 km (0.109 R)
• M12: 10,086,487 km (0.094 R)
• M13: 11,695,711 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.4

Radius: 10.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.45 AU - 3.55 AU

Year: 3465 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,742,876 km

• M1: 137,032 km (0.096 R)
• M2: 520,750 km (0.108 R)
• M3: 942,018 km (0.119 R)
• M4: 1,306,588 km (0.112 R)
• M5: 1,875,957 km (0.117 R)
• M6: 2,576,524 km (0.086 R)
• M7: 2,911,474 km (0.064 R)
• M8: 3,242,833 km (0.11 R)
• M9: 3,963,596 km (0.104 R)
• M10: 4,352,251 km (0.073 R)
• M11: 4,830,814 km (0.047 R)
• M12: 5,507,595 km (0.066 R)
• M13: 5,844,490 km (0.118 R)
• M14: 6,428,071 km (0.085 R)
• M15: 7,741,241 km (0.093 R)
• M16: 10,195,394 km (0.051 R)
• M17: 11,385,595 km (0.094 R)
• M18: 12,215,414 km (0.087 R)
• M19: 13,000,504 km (0.063 R)
• M20: 13,600,242 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 14.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.96 AU - 3.32 AU

Year: 3710 Days

Day: 6.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,742,876 km

• M1: 182,958 km (0.029 R)
• M2: 1,054,964 km (0.037 R)
• M3: 2,319,964 km (0.084 R)
• M4: 2,960,093 km (0.075 R)
• M5: 3,445,538 km (0.071 R)
• M6: 5,412,750 km (0.068 R)
• M7: 6,863,251 km (0.107 R)
• M8: 8,467,239 km (0.089 R)
• M9: 11,627,195 km (0.115 R)
• M10: 14,595,965 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 11.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.19 AU - 3.43 AU

Year: 4016 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,742,876 km

• M1: 148,700 km (0.066 R)
• M2: 516,711 km (0.102 R)
• M3: 1,175,390 km (0.038 R)
• M4: 1,801,906 km (0.118 R)
• M5: 2,565,005 km (0.078 R)
• M6: 3,383,156 km (0.118 R)
• M7: 4,006,231 km (0.091 R)
• M8: 4,891,252 km (0.119 R)
• M9: 6,986,221 km (0.094 R)
• M10: 8,714,375 km (0.059 R)
• M11: 9,509,488 km (0.101 R)
• M12: 13,889,714 km (0.04 R)
• M13: 18,162,079 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 11.7

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.12 AU - 4.62 AU

Year: 6092 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,742,876 km

• M1: 145,858 km (0.088 R)
• M2: 520,900 km (0.076 R)
• M3: 916,287 km (0.063 R)
• M4: 1,377,348 km (0.101 R)
• M5: 1,917,845 km (0.1 R)
• M6: 2,597,019 km (0.117 R)
• M7: 3,801,581 km (0.106 R)
• M8: 4,250,823 km (0.082 R)
• M9: 5,137,640 km (0.117 R)
• M10: 6,077,264 km (0.09 R)
• M11: 6,729,361 km (0.104 R)
• M12: 7,503,979 km (0.038 R)
• M13: 8,295,950 km (0.083 R)
• M14: 8,882,972 km (0.116 R)
• M15: 13,913,350 km (0.096 R)
• M16: 14,863,895 km (0.111 R)
• M17: 16,960,659 km (0.114 R)
• M18: 18,463,519 km (0.078 R)
• M19: 20,277,094 km (0.087 R)
• M20: 22,768,198 km (0.101 R)
• M21: 23,421,491 km (0.116 R)
• M22: 25,023,385 km (0.113 R)
• M23: 25,719,165 km (0.115 R)
• M24: 26,427,810 km (0.055 R)
• M25: 27,607,240 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 12.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.16 AU - 5.78 AU

Year: 7389 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,742,876 km

• M1: 246,088 km (0.109 R)
• M2: 674,836 km (0.1 R)
• M3: 1,088,175 km (0.08 R)
• M4: 2,809,598 km (0.071 R)
• M5: 4,232,124 km (0.045 R)
• M6: 4,816,902 km (0.086 R)
• M7: 5,795,122 km (0.048 R)
• M8: 8,253,614 km (0.113 R)
• M9: 9,129,958 km (0.108 R)
• M10: 12,133,584 km (0.072 R)
• M11: 13,165,211 km (0.118 R)
• M12: 20,280,235 km (0.108 R)
• M13: 20,756,555 km (0.083 R)
• M14: 26,100,341 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.8

Radius: 3.9

Gravity: 40.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.97 AU - 6.37 AU

Year: 10220 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,742,876 km

• M1: 48,619 km (0.119 R)
• M2: 199,863 km (0.097 R)
• M3: 373,995 km (0.104 R)
• M4: 988,543 km (0.107 R)
• M5: 1,522,458 km (0.091 R)
• M6: 1,820,307 km (0.083 R)
• M7: 1,950,008 km (0.075 R)
• M8: 2,414,510 km (0.061 R)
• M9: 3,893,434 km (0.118 R)
• M10: 5,748,298 km (0.053 R)
• M11: 7,905,051 km (0.109 R)
• M12: 8,974,975 km (0.087 R)
• M13: 9,115,297 km (0.086 R)
• M14: 10,239,226 km (0.097 R)
• M15: 11,127,239 km (0.088 R)
• M16: 12,236,059 km (0.104 R)
• M17: 13,355,948 km (0.032 R)
• M18: 15,865,153 km (0.063 R)
• M19: 16,555,697 km (0.116 R)
• M20: 16,979,508 km (0.097 R)
• M21: 21,875,846 km (0.1 R)
• M22: 22,300,555 km (0.063 R)
• M23: 22,730,648 km (0.087 R)
• M24: 24,144,199 km (0.103 R)
• M25: 24,324,913 km (0.106 R)
• M26: 26,277,315 km (0.095 R)
• M27: 29,141,516 km (0.069 R)
• M28: 29,346,465 km (0.077 R)
• M29: 30,175,536 km (0.104 R)
• M30: 31,020,166 km (0.051 R)
• M31: 34,328,074 km (0.053 R)
• M32: 34,901,333 km (0.097 R)
• M33: 36,421,546 km (0.113 R)
• M34: 38,229,736 km (0.094 R)
• M35: 38,475,376 km (0.053 R)
• M36: 44,688,474 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.6

Radius: 4.2

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.58 AU - 7.92 AU

Year: 11695 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,742,876 km

• M1: 52,509 km (0.111 R)
• M2: 199,713 km (0.101 R)
• M3: 704,606 km (0.114 R)
• M4: 1,062,893 km (0.113 R)
• M5: 1,277,267 km (0.046 R)
• M6: 1,571,974 km (0.073 R)
• M7: 1,987,109 km (0.079 R)
• M8: 2,178,893 km (0.113 R)
• M9: 2,365,442 km (0.101 R)
• M10: 2,888,735 km (0.09 R)
• M11: 3,373,432 km (0.079 R)
• M12: 3,910,339 km (0.11 R)
• M13: 5,959,082 km (0.092 R)
• M14: 7,322,666 km (0.108 R)
• M15: 8,421,313 km (0.113 R)
• M16: 11,691,074 km (0.071 R)
• M17: 14,680,338 km (0.088 R)
• M18: 15,407,533 km (0.113 R)
• M19: 15,968,526 km (0.106 R)
• M20: 16,222,244 km (0.106 R)
• M21: 20,356,381 km (0.118 R)
• M22: 21,031,516 km (0.099 R)
• M23: 21,643,970 km (0.057 R)
• M24: 23,389,477 km (0.11 R)
• M25: 29,185,497 km (0.106 R)
• M26: 29,755,465 km (0.079 R)
• M27: 33,642,467 km (0.057 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 13,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit