🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.81 AU - 0.99 AU

Year: 297 Days

Day: 36.1 Hours

Environment

Temp: 102 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.22 AU - 1.74 AU

Year: 627 Days

Day: 25.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.29 AU - 1.67 AU

Year: 627 Days

Day: 27.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 39,944,959 km

• M1: 260,599 km (0.03 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.02 AU - 5.94 AU

Year: 3870 Days

Day: 41.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.16 AU - 6.7 AU

Year: 4406 Days

Day: 41.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 8.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5 AU - 7.9 AU

Year: 5705 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 39,944,959 km

• M1: 138,528 km (0.076 R)
• M2: 200,910 km (0.036 R)
• M3: 257,009 km (0.096 R)
• M4: 327,919 km (0.046 R)
• M5: 606,021 km (0.048 R)
• M6: 755,918 km (0.077 R)
• M7: 845,677 km (0.1 R)
• M8: 928,853 km (0.096 R)
• M9: 982,260 km (0.078 R)
• M10: 1,058,854 km (0.068 R)
• M11: 1,126,173 km (0.076 R)
• M12: 1,435,092 km (0.11 R)
• M13: 1,651,411 km (0.051 R)
• M14: 1,796,970 km (0.07 R)
• M15: 1,891,815 km (0.116 R)
• M16: 1,960,630 km (0.086 R)
• M17: 2,086,741 km (0.055 R)
• M18: 2,201,033 km (0.092 R)
• M19: 2,436,052 km (0.099 R)
• M20: 2,526,409 km (0.109 R)
• M21: 2,587,146 km (0.114 R)
• M22: 2,882,751 km (0.032 R)
• M23: 3,438,507 km (0.112 R)
• M24: 3,956,265 km (0.106 R)
• M25: 4,027,175 km (0.108 R)
• M26: 4,152,238 km (0.099 R)
• M27: 4,278,649 km (0.118 R)
• M28: 4,406,256 km (0.079 R)
• M29: 5,393,901 km (0.091 R)
• M30: 5,973,593 km (0.077 R)
• M31: 6,034,629 km (0.096 R)
• M32: 6,322,604 km (0.03 R)
• M33: 6,826,600 km (0.107 R)
• M34: 6,890,478 km (0.025 R)
• M35: 7,540,630 km (0.105 R)
• M36: 8,119,873 km (0.082 R)
• M37: 8,210,380 km (0.113 R)
• M38: 8,301,036 km (0.044 R)
• M39: 8,414,880 km (0.105 R)
• M40: 8,552,361 km (0.095 R)
• M41: 8,736,665 km (0.089 R)
• M42: 8,922,316 km (0.071 R)
• M43: 9,085,827 km (0.102 R)
• M44: 9,273,871 km (0.111 R)
• M45: 9,463,262 km (0.078 R)
• M46: 9,582,192 km (0.051 R)
• M47: 9,677,785 km (0.071 R)
• M48: 10,039,064 km (0.117 R)
• M49: 10,874,120 km (0.103 R)
• M50: 11,023,867 km (0.054 R)
• M51: 11,578,576 km (0.092 R)
• M52: 12,168,291 km (0.093 R)
• M53: 12,271,813 km (0.095 R)
• M54: 12,558,143 km (0.119 R)
• M55: 13,084,279 km (0.064 R)
• M56: 13,163,865 km (0.11 R)
• M57: 13,483,705 km (0.094 R)
• M58: 13,537,261 km (0.077 R)
• M59: 13,752,083 km (0.094 R)
• M60: 13,833,016 km (0.114 R)
• M61: 14,076,561 km (0.075 R)
• M62: 14,239,773 km (0.107 R)
• M63: 14,348,979 km (0.06 R)
• M64: 14,540,614 km (0.083 R)
• M65: 14,678,094 km (0.071 R)
• M66: 14,788,348 km (0.068 R)
• M67: 15,399,754 km (0.088 R)
• M68: 15,483,828 km (0.107 R)
• M69: 15,652,276 km (0.113 R)
• M70: 15,708,524 km (0.097 R)
• M71: 16,446,640 km (0.065 R)
• M72: 16,532,509 km (0.107 R)
• M73: 16,675,974 km (0.119 R)
• M74: 17,838,648 km (0.114 R)
• M75: 18,103,736 km (0.056 R)
• M76: 18,399,940 km (0.113 R)
• M77: 18,638,100 km (0.11 R)
• M78: 19,057,273 km (0.117 R)
• M79: 19,177,699 km (0.075 R)
• M80: 19,298,275 km (0.039 R)
• M81: 20,149,337 km (0.069 R)
• M82: 20,333,343 km (0.101 R)
• M83: 20,548,764 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 10.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.27 AU - 9.75 AU

Year: 10213 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 39,944,959 km

• M1: 136,583 km (0.096 R)
• M2: 237,711 km (0.103 R)
• M3: 330,312 km (0.115 R)
• M4: 553,213 km (0.053 R)
• M5: 620,532 km (0.108 R)
• M6: 764,894 km (0.092 R)
• M7: 1,105,678 km (0.111 R)
• M8: 1,175,989 km (0.063 R)
• M9: 1,377,647 km (0.12 R)
• M10: 1,570,778 km (0.103 R)
• M11: 1,711,549 km (0.105 R)
• M12: 1,835,566 km (0.084 R)
• M13: 2,225,867 km (0.108 R)
• M14: 2,293,635 km (0.098 R)
• M15: 2,524,165 km (0.053 R)
• M16: 2,594,775 km (0.077 R)
• M17: 3,468,127 km (0.097 R)
• M18: 3,706,586 km (0.062 R)
• M19: 3,950,431 km (0.094 R)
• M20: 4,227,785 km (0.048 R)
• M21: 4,801,194 km (0.107 R)
• M22: 4,978,168 km (0.099 R)
• M23: 5,368,768 km (0.103 R)
• M24: 5,583,292 km (0.096 R)
• M25: 6,308,093 km (0.08 R)
• M26: 6,665,184 km (0.09 R)
• M27: 7,129,386 km (0.068 R)
• M28: 7,638,318 km (0.084 R)
• M29: 7,741,391 km (0.099 R)
• M30: 8,264,385 km (0.089 R)
• M31: 8,334,995 km (0.086 R)
• M32: 8,441,359 km (0.103 R)
• M33: 8,655,284 km (0.106 R)
• M34: 9,198,025 km (0.083 R)
• M35: 9,528,936 km (0.087 R)
• M36: 10,013,932 km (0.101 R)
• M37: 10,660,344 km (0.114 R)
• M38: 10,737,238 km (0.107 R)
• M39: 11,008,010 km (0.026 R)
• M40: 11,516,792 km (0.105 R)
• M41: 11,793,847 km (0.076 R)
• M42: 12,516,704 km (0.114 R)
• M43: 12,720,008 km (0.107 R)
• M44: 12,883,518 km (0.062 R)
• M45: 13,212,484 km (0.117 R)
• M46: 15,201,088 km (0.083 R)
• M47: 15,505,221 km (0.081 R)
• M48: 15,811,298 km (0.103 R)
• M49: 16,518,597 km (0.114 R)
• M50: 16,607,608 km (0.085 R)
• M51: 17,100,832 km (0.056 R)
• M52: 18,055,565 km (0.041 R)
• M53: 19,684,985 km (0.086 R)
• M54: 21,070,411 km (0.077 R)
• M55: 21,360,930 km (0.079 R)
• M56: 22,093,212 km (0.037 R)
• M57: 22,339,001 km (0.115 R)
• M58: 22,536,470 km (0.112 R)
• M59: 23,481,929 km (0.09 R)
• M60: 23,934,313 km (0.053 R)
• M61: 24,643,856 km (0.113 R)
• M62: 25,411,592 km (0.111 R)
• M63: 25,824,332 km (0.114 R)
• M64: 28,453,515 km (0.062 R)
• M65: 28,935,819 km (0.085 R)
• M66: 29,420,815 km (0.116 R)
• M67: 29,637,283 km (0.106 R)
• M68: 29,799,896 km (0.08 R)
• M69: 29,908,504 km (0.067 R)
• M70: 30,398,886 km (0.118 R)
• M71: 30,617,598 km (0.091 R)
• M72: 30,836,908 km (0.087 R)
• M73: 31,166,921 km (0.108 R)
• M74: 31,553,332 km (0.116 R)
• M75: 32,778,090 km (0.097 R)
• M76: 33,114,835 km (0.028 R)
• M77: 33,961,709 km (0.065 R)
• M78: 36,254,745 km (0.092 R)
• M79: 37,419,963 km (0.085 R)
• M80: 38,007,134 km (0.092 R)
• M81: 39,607,682 km (0.052 R)
• M82: 39,906,578 km (0.077 R)
• M83: 40,086,096 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 11.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.58 AU - 13.18 AU

Year: 13369 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 39,944,959 km

• M1: 149,299 km (0.101 R)
• M2: 228,586 km (0.033 R)
• M3: 397,482 km (0.089 R)
• M4: 478,414 km (0.099 R)
• M5: 593,006 km (0.092 R)
• M6: 689,497 km (0.03 R)
• M7: 807,529 km (0.098 R)
• M8: 1,116,898 km (0.065 R)
• M9: 1,294,919 km (0.1 R)
• M10: 1,619,696 km (0.102 R)
• M11: 2,144,037 km (0.092 R)
• M12: 2,277,478 km (0.093 R)
• M13: 2,553,037 km (0.034 R)
• M14: 3,187,183 km (0.106 R)
• M15: 3,654,227 km (0.077 R)
• M16: 3,787,968 km (0.062 R)
• M17: 4,060,236 km (0.118 R)
• M18: 4,452,182 km (0.089 R)
• M19: 4,623,921 km (0.116 R)
• M20: 4,944,658 km (0.079 R)
• M21: 5,122,680 km (0.105 R)
• M22: 5,363,233 km (0.12 R)
• M23: 5,700,427 km (0.099 R)
• M24: 6,589,487 km (0.111 R)
• M25: 7,017,038 km (0.057 R)
• M26: 7,150,329 km (0.117 R)
• M27: 7,284,519 km (0.066 R)
• M28: 7,726,580 km (0.119 R)
• M29: 8,353,096 km (0.038 R)
• M30: 8,459,161 km (0.051 R)
• M31: 8,887,759 km (0.111 R)
• M32: 9,104,826 km (0.046 R)
• M33: 9,323,538 km (0.088 R)
• M34: 10,027,695 km (0.114 R)
• M35: 10,557,571 km (0.088 R)
• M36: 10,634,015 km (0.091 R)
• M37: 10,903,142 km (0.064 R)
• M38: 11,605,204 km (0.111 R)
• M39: 12,121,467 km (0.078 R)
• M40: 12,604,668 km (0.048 R)
• M41: 13,465,454 km (0.108 R)
• M42: 13,631,508 km (0.095 R)
• M43: 14,049,783 km (0.092 R)
• M44: 14,260,567 km (0.066 R)
• M45: 15,546,959 km (0.079 R)
• M46: 15,764,923 km (0.118 R)
• M47: 15,983,934 km (0.096 R)
• M48: 16,203,993 km (0.108 R)
• M49: 16,691,682 km (0.11 R)
• M50: 16,959,761 km (0.115 R)
• M51: 18,137,695 km (0.078 R)
• M52: 19,154,960 km (0.108 R)
• M53: 20,380,915 km (0.119 R)
• M54: 20,524,080 km (0.103 R)
• M55: 21,003,391 km (0.091 R)
• M56: 21,778,159 km (0.053 R)
• M57: 22,611,718 km (0.085 R)
• M58: 22,809,337 km (0.116 R)
• M59: 24,007,167 km (0.107 R)
• M60: 24,107,846 km (0.058 R)
• M61: 25,123,018 km (0.098 R)
• M62: 25,327,667 km (0.098 R)
• M63: 25,481,604 km (0.105 R)
• M64: 27,457,792 km (0.103 R)
• M65: 27,933,064 km (0.092 R)
• M66: 29,052,654 km (0.103 R)
• M67: 29,159,916 km (0.107 R)
• M68: 30,786,643 km (0.098 R)
• M69: 32,553,993 km (0.066 R)
• M70: 34,183,861 km (0.114 R)
• M71: 34,923,174 km (0.102 R)
• M72: 35,208,906 km (0.108 R)
• M73: 37,055,991 km (0.107 R)
• M74: 38,226,445 km (0.071 R)
• M75: 38,816,160 km (0.081 R)
• M76: 39,408,866 km (0.113 R)
• M77: 39,587,337 km (0.103 R)
• M78: 39,885,335 km (0.068 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 13,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit