🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.42 AU - 0.64 AU

Year: 253 Days

Day: 40.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 12.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.82 AU - 1.12 AU

Year: 627 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 147 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 52,031,462 km

• M1: 155,881 km (0.075 R)
• M2: 250,277 km (0.068 R)
• M3: 412,741 km (0.107 R)
• M4: 566,078 km (0.114 R)
• M5: 653,443 km (0.075 R)
• M6: 733,179 km (0.028 R)
• M7: 830,268 km (0.115 R)
• M8: 908,657 km (0.063 R)
• M9: 1,114,205 km (0.099 R)
• M10: 1,191,547 km (0.113 R)
• M11: 1,341,145 km (0.036 R)
• M12: 1,423,873 km (0.117 R)
• M13: 1,503,010 km (0.108 R)
• M14: 1,630,168 km (0.095 R)
• M15: 1,743,264 km (0.116 R)
• M16: 1,971,102 km (0.12 R)
• M17: 2,053,530 km (0.079 R)
• M18: 2,274,785 km (0.109 R)
• M19: 2,579,815 km (0.074 R)
• M20: 2,698,596 km (0.088 R)
• M21: 2,776,387 km (0.096 R)
• M22: 2,855,075 km (0.107 R)
• M23: 3,051,348 km (0.091 R)
• M24: 3,542,178 km (0.058 R)
• M25: 3,690,430 km (0.075 R)
• M26: 3,800,983 km (0.074 R)
• M27: 3,896,725 km (0.059 R)
• M28: 4,001,294 km (0.084 R)
• M29: 4,172,285 km (0.118 R)
• M30: 4,395,634 km (0.092 R)
• M31: 4,623,023 km (0.103 R)
• M32: 4,734,025 km (0.102 R)
• M33: 4,854,451 km (0.094 R)
• M34: 5,002,104 km (0.058 R)
• M35: 5,301,898 km (0.117 R)
• M36: 5,382,232 km (0.115 R)
• M37: 5,508,044 km (0.115 R)
• M38: 5,662,130 km (0.054 R)
• M39: 5,826,987 km (0.107 R)
• M40: 6,030,589 km (0.096 R)
• M41: 6,330,832 km (0.042 R)
• M42: 6,416,253 km (0.117 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.4

Radius: 7.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.06 AU - 7.2 AU

Year: 12489 Days

Day: 18.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 52,031,462 km

• M1: 330,462 km (0.117 R)
• M2: 1,068,428 km (0.071 R)
• M3: 1,126,023 km (0.105 R)
• M4: 1,204,412 km (0.111 R)
• M5: 1,713,195 km (0.073 R)
• M6: 1,990,400 km (0.078 R)
• M7: 2,183,381 km (0.106 R)
• M8: 2,613,176 km (0.117 R)
• M9: 2,878,413 km (0.044 R)
• M10: 3,235,952 km (0.114 R)
• M11: 3,463,041 km (0.074 R)
• M12: 3,607,702 km (0.056 R)
• M13: 3,754,308 km (0.07 R)
• M14: 3,962,997 km (0.067 R)
• M15: 4,206,094 km (0.119 R)
• M16: 4,579,789 km (0.071 R)
• M17: 5,127,467 km (0.092 R)
• M18: 5,325,684 km (0.106 R)
• M19: 5,392,405 km (0.095 R)
• M20: 5,661,831 km (0.055 R)
• M21: 5,729,898 km (0.106 R)
• M22: 7,183,989 km (0.057 R)
• M23: 7,368,742 km (0.105 R)
• M24: 8,085,316 km (0.079 R)
• M25: 8,354,891 km (0.114 R)
• M26: 11,081,013 km (0.106 R)
• M27: 11,595,929 km (0.081 R)
• M28: 12,471,526 km (0.082 R)
• M29: 13,052,115 km (0.119 R)
• M30: 13,504,649 km (0.051 R)
• M31: 13,962,268 km (0.099 R)
• M32: 14,239,324 km (0.099 R)
• M33: 14,798,969 km (0.116 R)
• M34: 16,862,522 km (0.077 R)
• M35: 17,207,046 km (0.115 R)
• M36: 17,256,414 km (0.118 R)
• M37: 18,053,022 km (0.09 R)
• M38: 18,607,731 km (0.069 R)
• M39: 18,912,612 km (0.12 R)
• M40: 19,681,993 km (0.1 R)
• M41: 19,785,366 km (0.082 R)
• M42: 20,671,434 km (0.039 R)
• M43: 20,776,451 km (0.083 R)
• M44: 21,676,731 km (0.118 R)
• M45: 22,104,881 km (0.106 R)
• M46: 22,915,103 km (0.061 R)
• M47: 23,241,824 km (0.098 R)
• M48: 23,679,997 km (0.059 R)
• M49: 24,231,564 km (0.102 R)
• M50: 25,291,016 km (0.105 R)
• M51: 27,397,354 km (0.078 R)
• M52: 27,976,148 km (0.081 R)
• M53: 29,322,828 km (0.103 R)
• M54: 30,152,797 km (0.089 R)
• M55: 31,775,336 km (0.058 R)
• M56: 33,796,553 km (0.093 R)
• M57: 34,979,124 km (0.113 R)
• M58: 36,365,148 km (0.032 R)
• M59: 37,128,696 km (0.086 R)
• M60: 37,576,592 km (0.086 R)
• M61: 38,026,283 km (0.066 R)
• M62: 38,348,666 km (0.107 R)
• M63: 38,413,143 km (0.081 R)
• M64: 38,542,395 km (0.112 R)
• M65: 38,607,022 km (0.099 R)
• M66: 38,671,798 km (0.037 R)
• M67: 39,060,752 km (0.056 R)
• M68: 39,125,827 km (0.073 R)
• M69: 39,581,502 km (0.118 R)
• M70: 39,646,727 km (0.105 R)
• M71: 39,712,101 km (0.1 R)
• M72: 40,235,694 km (0.051 R)
• M73: 41,289,760 km (0.104 R)
• M74: 41,953,077 km (0.068 R)
• M75: 42,219,361 km (0.078 R)
• M76: 43,694,247 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.5

Radius: 4.8

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.55 AU - 12.71 AU

Year: 22736 Days

Day: 21.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 52,031,462 km

• M1: 506,987 km (0.067 R)
• M2: 766,988 km (0.114 R)
• M3: 1,213,688 km (0.086 R)
• M4: 1,629,719 km (0.113 R)
• M5: 3,448,381 km (0.117 R)
• M6: 3,799,337 km (0.05 R)
• M7: 4,161,663 km (0.083 R)
• M8: 4,228,683 km (0.093 R)
• M9: 5,132,703 km (0.052 R)
• M10: 6,595,172 km (0.059 R)
• M11: 6,791,444 km (0.055 R)
• M12: 6,989,661 km (0.025 R)
• M13: 10,136,752 km (0.098 R)
• M14: 10,913,464 km (0.11 R)
• M15: 11,145,490 km (0.077 R)
• M16: 11,756,597 km (0.033 R)
• M17: 11,851,592 km (0.075 R)
• M18: 12,090,051 km (0.037 R)
• M19: 12,815,152 km (0.12 R)
• M20: 13,355,799 km (0.113 R)
• M21: 14,155,399 km (0.075 R)
• M22: 14,205,963 km (0.029 R)
• M23: 14,611,972 km (0.1 R)
• M24: 14,765,310 km (0.063 R)
• M25: 15,073,481 km (0.072 R)
• M26: 15,280,076 km (0.075 R)
• M27: 16,592,498 km (0.053 R)
• M28: 18,214,438 km (0.086 R)
• M29: 18,932,807 km (0.062 R)
• M30: 19,886,195 km (0.09 R)
• M31: 20,625,806 km (0.114 R)
• M32: 20,797,694 km (0.035 R)
• M33: 20,855,140 km (0.066 R)
• M34: 22,366,378 km (0.053 R)
• M35: 23,075,771 km (0.063 R)
• M36: 23,732,505 km (0.062 R)
• M37: 24,334,786 km (0.073 R)
• M38: 25,064,375 km (0.098 R)
• M39: 28,561,973 km (0.117 R)
• M40: 29,138,224 km (0.044 R)
• M41: 30,302,096 km (0.073 R)
• M42: 30,758,818 km (0.11 R)
• M43: 31,283,608 km (0.116 R)
• M44: 34,493,679 km (0.072 R)
• M45: 35,175,546 km (0.114 R)
• M46: 35,312,428 km (0.092 R)
• M47: 35,655,456 km (0.112 R)
• M48: 37,108,350 km (0.104 R)
• M49: 37,876,984 km (0.107 R)
• M50: 39,146,172 km (0.026 R)
• M51: 39,217,082 km (0.098 R)
• M52: 40,500,781 km (0.081 R)
• M53: 40,859,816 km (0.067 R)
• M54: 41,292,154 km (0.078 R)
• M55: 41,798,243 km (0.094 R)
• M56: 42,015,908 km (0.05 R)
• M57: 42,816,855 km (0.089 R)
• M58: 43,402,531 km (0.098 R)
• M59: 43,622,889 km (0.057 R)
• M60: 44,064,651 km (0.115 R)
• M61: 44,434,008 km (0.038 R)
• M62: 46,295,604 km (0.088 R)
• M63: 51,331,368 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 12,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit