🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.3

Radius: 12.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.63 AU - 0.81 AU

Year: 394 Days

Day: 7.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,685,291 km

• M1: 160,967 km (0.108 R)
• M2: 485,295 km (0.096 R)
• M3: 804,537 km (0.085 R)
• M4: 1,199,177 km (0.106 R)
• M5: 1,465,311 km (0.034 R)
• M6: 1,861,446 km (0.112 R)
• M7: 2,158,847 km (0.118 R)
• M8: 2,508,158 km (0.085 R)
• M9: 2,788,504 km (0.079 R)
• M10: 3,069,150 km (0.078 R)
• M11: 3,673,226 km (0.058 R)
• M12: 4,168,096 km (0.11 R)
• M13: 4,494,070 km (0.06 R)
• M14: 4,862,230 km (0.057 R)
• M15: 5,143,175 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.3

Radius: 10

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.24 AU - 1.92 AU

Year: 1282 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,685,291 km

• M1: 136,583 km (0.037 R)
• M2: 351,705 km (0.076 R)
• M3: 743,950 km (0.114 R)
• M4: 1,061,846 km (0.107 R)
• M5: 1,419,983 km (0.088 R)
• M6: 1,894,507 km (0.118 R)
• M7: 2,117,408 km (0.04 R)
• M8: 2,510,701 km (0.066 R)
• M9: 2,989,265 km (0.082 R)
• M10: 3,206,032 km (0.079 R)
• M11: 3,635,228 km (0.098 R)
• M12: 4,655,785 km (0.07 R)
• M13: 4,992,231 km (0.05 R)
• M14: 6,255,435 km (0.12 R)
• M15: 7,126,244 km (0.066 R)
• M16: 7,382,805 km (0.102 R)
• M17: 8,222,198 km (0.042 R)
• M18: 9,196,380 km (0.119 R)
• M19: 9,556,162 km (0.074 R)
• M20: 10,272,886 km (0.111 R)
• M21: 11,760,038 km (0.052 R)
• M22: 12,141,363 km (0.116 R)
• M23: 12,948,743 km (0.07 R)
• M24: 13,268,434 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 8.2

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.97 AU - 2.17 AU

Year: 1923 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,685,291 km

• M1: 133,441 km (0.103 R)
• M2: 289,173 km (0.064 R)
• M3: 664,364 km (0.102 R)
• M4: 938,727 km (0.11 R)
• M5: 2,041,712 km (0.086 R)
• M6: 2,426,477 km (0.093 R)
• M7: 2,631,875 km (0.08 R)
• M8: 3,329,600 km (0.027 R)
• M9: 3,679,210 km (0.113 R)
• M10: 5,071,517 km (0.063 R)
• M11: 5,238,169 km (0.081 R)
• M12: 6,503,019 km (0.09 R)
• M13: 7,122,055 km (0.098 R)
• M14: 7,953,072 km (0.105 R)
• M15: 9,002,052 km (0.072 R)
• M16: 9,224,654 km (0.089 R)
• M17: 9,806,140 km (0.051 R)
• M18: 11,379,910 km (0.114 R)
• M19: 12,485,139 km (0.075 R)
• M20: 12,747,534 km (0.106 R)
• M21: 12,953,530 km (0.079 R)
• M22: 13,220,712 km (0.101 R)
• M23: 13,551,174 km (0.086 R)
• M24: 13,824,489 km (0.108 R)
• M25: 14,441,879 km (0.08 R)
• M26: 15,555,037 km (0.032 R)
• M27: 16,542,084 km (0.075 R)
• M28: 16,844,271 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 10.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.45 AU - 2.51 AU

Year: 2522 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,685,291 km

• M1: 133,142 km (0.101 R)
• M2: 515,065 km (0.052 R)
• M3: 801,097 km (0.064 R)
• M4: 1,023,100 km (0.081 R)
• M5: 1,401,882 km (0.111 R)
• M6: 1,858,155 km (0.087 R)
• M7: 2,348,088 km (0.097 R)
• M8: 2,765,466 km (0.119 R)
• M9: 3,077,827 km (0.068 R)
• M10: 3,407,540 km (0.112 R)
• M11: 4,638,731 km (0.09 R)
• M12: 5,619,195 km (0.044 R)
• M13: 6,105,687 km (0.036 R)
• M14: 7,689,331 km (0.113 R)
• M15: 8,281,888 km (0.043 R)
• M16: 8,657,528 km (0.095 R)
• M17: 9,139,084 km (0.094 R)
• M18: 10,193,300 km (0.082 R)
• M19: 10,715,845 km (0.095 R)
• M20: 10,955,202 km (0.09 R)
• M21: 11,414,766 km (0.072 R)
• M22: 12,108,152 km (0.094 R)
• M23: 12,648,799 km (0.071 R)
• M24: 13,113,301 km (0.117 R)
• M25: 13,378,388 km (0.106 R)
• M26: 14,220,175 km (0.053 R)
• M27: 14,619,751 km (0.104 R)
• M28: 15,182,239 km (0.107 R)
• M29: 16,078,630 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 14.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.49 AU - 4.19 AU

Year: 4859 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,685,291 km

• M1: 184,454 km (0.116 R)
• M2: 578,196 km (0.065 R)
• M3: 1,236,875 km (0.039 R)
• M4: 1,549,236 km (0.1 R)
• M5: 1,876,406 km (0.04 R)
• M6: 2,666,283 km (0.05 R)
• M7: 3,117,620 km (0.044 R)
• M8: 3,588,404 km (0.074 R)
• M9: 4,410,594 km (0.117 R)
• M10: 4,929,250 km (0.037 R)
• M11: 5,798,413 km (0.067 R)
• M12: 6,200,084 km (0.07 R)
• M13: 6,665,333 km (0.047 R)
• M14: 6,968,269 km (0.083 R)
• M15: 8,814,606 km (0.086 R)
• M16: 9,340,592 km (0.109 R)
• M17: 13,067,374 km (0.111 R)
• M18: 18,335,463 km (0.11 R)
• M19: 19,179,793 km (0.091 R)
• M20: 20,881,469 km (0.031 R)
• M21: 21,194,727 km (0.039 R)
• M22: 22,056,560 km (0.083 R)
• M23: 23,311,088 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.3

Radius: 4.3

Gravity: 33.82 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.74 AU - 10.28 AU

Year: 16029 Days

Day: 15.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,685,291 km

• M1: 140,622 km (0.065 R)
• M2: 909,705 km (0.077 R)
• M3: 2,207,765 km (0.059 R)
• M4: 2,779,977 km (0.061 R)
• M5: 4,454,875 km (0.102 R)
• M6: 5,331,369 km (0.072 R)
• M7: 5,895,502 km (0.064 R)
• M8: 9,931,354 km (0.074 R)
• M9: 12,094,240 km (0.108 R)
• M10: 16,930,290 km (0.049 R)
• M11: 22,203,765 km (0.111 R)
• M12: 22,429,508 km (0.099 R)
• M13: 25,469,486 km (0.101 R)
• M14: 25,792,318 km (0.098 R)
• M15: 26,525,946 km (0.106 R)
• M16: 27,436,549 km (0.117 R)
• M17: 27,771,498 km (0.036 R)
• M18: 30,524,398 km (0.098 R)
• M19: 35,275,926 km (0.11 R)
• M20: 51,024,094 km (0.114 R)
• M21: 51,480,816 km (0.033 R)
• M22: 52,284,755 km (0.086 R)
• M23: 56,518,076 km (0.098 R)
• M24: 61,916,016 km (0.083 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: 241 - 14,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit