🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.76 AU - 4.58 AU

Year: 2494 Days

Day: 24.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Ice Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.3

Radius: 4.1

Gravity: 27.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 14.17 AU - 14.99 AU

Year: 19750 Days

Day: 17.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,725,247 km

• M1: 366,964 km (0.038 R)
• M2: 782,696 km (0.078 R)
• M3: 1,155,494 km (0.092 R)
• M4: 4,572,309 km (0.057 R)
• M5: 6,388,278 km (0.069 R)
• M6: 6,553,434 km (0.101 R)
• M7: 9,584,736 km (0.072 R)
• M8: 12,900,572 km (0.058 R)
• M9: 14,775,034 km (0.107 R)
• M10: 18,067,084 km (0.047 R)
• M11: 21,388,756 km (0.093 R)
• M12: 24,910,140 km (0.119 R)
• M13: 28,265,919 km (0.101 R)
• M14: 28,439,303 km (0.104 R)
• M15: 31,194,298 km (0.064 R)
• M16: 35,517,526 km (0.041 R)
• M17: 38,589,369 km (0.03 R)
• M18: 49,712,120 km (0.093 R)
• M19: 51,449,400 km (0.045 R)
• M20: 52,624,193 km (0.098 R)
• M21: 52,979,188 km (0.107 R)
• M22: 54,772,268 km (0.094 R)
• M23: 55,013,570 km (0.114 R)
• M24: 62,371,541 km (0.093 R)

Planet 3 - Ice Giant

Semi-Major Axis: 16.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.2

Radius: 4.7

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 12.87 AU - 19.97 AU

Year: 23605 Days

Day: 17.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 75,725,247 km

• M1: 99,333 km (0.099 R)
• M2: 558,748 km (0.104 R)
• M3: 742,005 km (0.111 R)
• M4: 919,279 km (0.09 R)
• M5: 1,551,180 km (0.119 R)
• M6: 2,584,004 km (0.099 R)
• M7: 2,915,363 km (0.092 R)
• M8: 3,959,108 km (0.026 R)
• M9: 5,123,727 km (0.112 R)
• M10: 5,502,658 km (0.117 R)
• M11: 5,806,791 km (0.117 R)
• M12: 7,451,919 km (0.117 R)
• M13: 8,115,684 km (0.096 R)
• M14: 15,733,956 km (0.108 R)
• M15: 17,070,613 km (0.111 R)
• M16: 19,017,779 km (0.046 R)
• M17: 19,989,866 km (0.117 R)
• M18: 20,651,537 km (0.12 R)
• M19: 21,493,624 km (0.07 R)
• M20: 21,835,305 km (0.071 R)
• M21: 22,876,207 km (0.104 R)
• M22: 23,317,072 km (0.058 R)
• M23: 24,847,758 km (0.066 R)
• M24: 26,901,138 km (0.093 R)
• M25: 27,283,211 km (0.103 R)
• M26: 30,538,461 km (0.113 R)
• M27: 31,664,484 km (0.048 R)
• M28: 38,849,071 km (0.1 R)
• M29: 40,584,406 km (0.09 R)
• M30: 43,319,055 km (0.102 R)
• M31: 43,925,376 km (0.099 R)
• M32: 46,267,779 km (0.05 R)
• M33: 48,160,192 km (0.11 R)
• M34: 50,090,453 km (0.116 R)
• M35: 50,742,401 km (0.049 R)
• M36: 51,266,891 km (0.117 R)
• M37: 56,522,713 km (0.115 R)
• M38: 58,612,446 km (0.073 R)
• M39: 67,050,364 km (0.059 R)
• M40: 67,351,355 km (0.064 R)
• M41: 70,245,475 km (0.111 R)
• M42: 71,948,797 km (0.081 R)
• M43: 76,537,113 km (0.111 R)
• M44: 82,264,019 km (0.116 R)
• M45: 83,434,173 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.3

Radius: 6.2

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 15.16 AU - 18.3 AU

Year: 24276 Days

Day: 15.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,725,247 km

• M1: 110,403 km (0.076 R)
• M2: 258,804 km (0.087 R)
• M3: 387,010 km (0.04 R)
• M4: 573,409 km (0.083 R)
• M5: 717,322 km (0.06 R)
• M6: 1,148,313 km (0.081 R)
• M7: 1,316,461 km (0.106 R)
• M8: 1,476,232 km (0.062 R)
• M9: 2,420,344 km (0.101 R)
• M10: 2,610,483 km (0.12 R)
• M11: 4,580,836 km (0.058 R)
• M12: 5,389,562 km (0.116 R)
• M13: 5,632,809 km (0.037 R)
• M14: 6,178,542 km (0.101 R)
• M15: 6,439,141 km (0.113 R)
• M16: 6,976,497 km (0.12 R)
• M17: 9,238,417 km (0.038 R)
• M18: 9,557,060 km (0.094 R)
• M19: 10,943,234 km (0.108 R)
• M20: 12,793,610 km (0.094 R)
• M21: 15,057,325 km (0.067 R)
• M22: 16,293,751 km (0.087 R)
• M23: 16,575,145 km (0.085 R)
• M24: 19,369,334 km (0.043 R)
• M25: 19,599,116 km (0.069 R)
• M26: 21,487,341 km (0.097 R)
• M27: 22,299,807 km (0.117 R)
• M28: 23,043,906 km (0.064 R)
• M29: 26,231,987 km (0.106 R)
• M30: 29,156,176 km (0.114 R)
• M31: 35,366,133 km (0.039 R)
• M32: 36,933,171 km (0.085 R)
• M33: 37,676,074 km (0.106 R)
• M34: 38,642,177 km (0.08 R)
• M35: 39,184,170 km (0.117 R)
• M36: 47,050,326 km (0.114 R)
• M37: 48,008,949 km (0.113 R)
• M38: 57,862,960 km (0.068 R)
• M39: 60,132,659 km (0.078 R)
• M40: 66,919,765 km (0.066 R)
• M41: 67,919,079 km (0.058 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 17,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit