🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.52 AU - 0.52 AU

Year: 156 Days

Day: 48 Hours

Environment

Temp: 142 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.01 AU - 2.35 AU

Year: 1340 Days

Day: 45.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 13.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.26 AU - 3.64 AU

Year: 2667 Days

Day: 7.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,923,695 km

• M1: 170,392 km (0.082 R)
• M2: 629,209 km (0.086 R)
• M3: 1,187,358 km (0.082 R)
• M4: 2,436,949 km (0.095 R)
• M5: 3,649,440 km (0.108 R)
• M6: 5,088,422 km (0.063 R)
• M7: 6,704,827 km (0.117 R)
• M8: 7,979,999 km (0.062 R)
• M9: 8,709,738 km (0.111 R)
• M10: 10,150,066 km (0.11 R)
• M11: 11,087,596 km (0.107 R)
• M12: 12,821,734 km (0.102 R)
• M13: 13,730,541 km (0.057 R)
• M14: 14,584,745 km (0.063 R)
• M15: 15,676,510 km (0.1 R)
• M16: 17,415,436 km (0.097 R)
• M17: 18,022,654 km (0.052 R)
• M18: 18,758,526 km (0.09 R)
• M19: 19,810,498 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 12.3

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.38 AU - 4.62 AU

Year: 3973 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,923,695 km

• M1: 153,039 km (0.119 R)
• M2: 646,562 km (0.044 R)
• M3: 1,221,018 km (0.041 R)
• M4: 2,175,003 km (0.11 R)
• M5: 2,829,045 km (0.119 R)
• M6: 3,468,277 km (0.105 R)
• M7: 4,062,929 km (0.116 R)
• M8: 4,703,058 km (0.103 R)
• M9: 5,151,103 km (0.034 R)
• M10: 5,726,307 km (0.076 R)
• M11: 6,586,944 km (0.081 R)
• M12: 7,897,421 km (0.095 R)
• M13: 8,796,205 km (0.093 R)
• M14: 10,874,120 km (0.114 R)
• M15: 14,022,257 km (0.085 R)
• M16: 14,576,966 km (0.104 R)
• M17: 15,436,406 km (0.055 R)
• M18: 16,379,920 km (0.043 R)
• M19: 17,099,485 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 8.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.44 AU - 5.68 AU

Year: 4738 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,923,695 km

• M1: 104,569 km (0.072 R)
• M2: 518,656 km (0.095 R)
• M3: 1,119,291 km (0.113 R)
• M4: 1,565,392 km (0.086 R)
• M5: 1,903,184 km (0.044 R)
• M6: 2,509,953 km (0.115 R)
• M7: 3,377,471 km (0.106 R)
• M8: 5,494,431 km (0.064 R)
• M9: 6,190,360 km (0.115 R)
• M10: 7,479,146 km (0.057 R)
• M11: 8,556,699 km (0.081 R)
• M12: 8,860,831 km (0.112 R)
• M13: 10,491,149 km (0.101 R)
• M14: 13,146,511 km (0.05 R)
• M15: 13,449,746 km (0.106 R)
• M16: 14,655,954 km (0.04 R)
• M17: 15,146,934 km (0.093 R)
• M18: 17,342,283 km (0.093 R)
• M19: 18,015,324 km (0.105 R)
• M20: 18,769,446 km (0.098 R)
• M21: 23,519,029 km (0.083 R)
• M22: 25,971,088 km (0.063 R)
• M23: 27,340,656 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 14

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.52 AU - 12.02 AU

Year: 12711 Days

Day: 7.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,923,695 km

• M1: 174,132 km (0.072 R)
• M2: 995,723 km (0.118 R)
• M3: 1,636,900 km (0.112 R)
• M4: 2,859,713 km (0.036 R)
• M5: 3,389,888 km (0.112 R)
• M6: 5,300,402 km (0.077 R)
• M7: 8,896,885 km (0.082 R)
• M8: 11,978,601 km (0.112 R)
• M9: 13,816,710 km (0.098 R)
• M10: 14,508,301 km (0.118 R)
• M11: 16,722,499 km (0.114 R)
• M12: 19,153,763 km (0.071 R)
• M13: 19,652,672 km (0.119 R)
• M14: 32,244,026 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475

Radius: 6.6

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 14.49 AU - 16.41 AU

Year: 25278 Days

Day: 21.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,923,695 km

• M1: 92,451 km (0.109 R)
• M2: 297,849 km (0.076 R)
• M3: 630,106 km (0.083 R)
• M4: 1,612,964 km (0.063 R)
• M5: 2,142,391 km (0.098 R)
• M6: 2,379,953 km (0.103 R)
• M7: 2,934,063 km (0.052 R)
• M8: 3,255,698 km (0.107 R)
• M9: 3,660,361 km (0.078 R)
• M10: 4,329,662 km (0.102 R)
• M11: 4,928,951 km (0.078 R)
• M12: 5,908,817 km (0.072 R)
• M13: 6,466,667 km (0.081 R)
• M14: 7,059,224 km (0.034 R)
• M15: 7,938,561 km (0.082 R)
• M16: 9,912,804 km (0.107 R)
• M17: 11,856,978 km (0.062 R)
• M18: 19,840,866 km (0.087 R)
• M19: 21,980,565 km (0.081 R)
• M20: 23,419,397 km (0.071 R)
• M21: 27,289,344 km (0.062 R)
• M22: 28,349,245 km (0.05 R)
• M23: 29,314,152 km (0.116 R)
• M24: 31,055,172 km (0.067 R)
• M25: 35,429,713 km (0.115 R)
• M26: 36,126,390 km (0.098 R)
• M27: 41,414,824 km (0.094 R)
• M28: 43,128,169 km (0.071 R)
• M29: 49,410,232 km (0.055 R)
• M30: 52,407,874 km (0.084 R)
• M31: 57,033,141 km (0.059 R)
• M32: 57,414,616 km (0.119 R)
• M33: 59,542,496 km (0.09 R)
• M34: 63,341,085 km (0.064 R)
• M35: 70,975,214 km (0.089 R)
• M36: 74,556,587 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236

Radius: 7.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 16.59 AU - 17.07 AU

Year: 28739 Days

Day: 19.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,923,695 km

• M1: 89,609 km (0.06 R)
• M2: 422,764 km (0.102 R)
• M3: 792,270 km (0.08 R)
• M4: 1,175,091 km (0.109 R)
• M5: 1,578,706 km (0.092 R)
• M6: 2,333,278 km (0.044 R)
• M7: 4,366,163 km (0.117 R)
• M8: 6,026,999 km (0.105 R)
• M9: 6,735,345 km (0.112 R)
• M10: 10,245,809 km (0.083 R)
• M11: 12,389,396 km (0.073 R)
• M12: 13,950,600 km (0.111 R)
• M13: 14,668,520 km (0.114 R)
• M14: 16,178,262 km (0.077 R)
• M15: 16,571,255 km (0.117 R)
• M16: 20,400,362 km (0.088 R)
• M17: 26,261,906 km (0.025 R)
• M18: 29,749,781 km (0.028 R)
• M19: 30,221,163 km (0.037 R)
• M20: 33,028,966 km (0.106 R)
• M21: 36,541,374 km (0.098 R)
• M22: 39,865,888 km (0.077 R)
• M23: 45,689,134 km (0.059 R)
• M24: 47,268,589 km (0.097 R)
• M25: 47,910,513 km (0.075 R)
• M26: 49,705,688 km (0.093 R)
• M27: 58,801,537 km (0.088 R)
• M28: 61,237,140 km (0.093 R)
• M29: 63,349,911 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 16,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit