🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.49 AU - 0.75 AU

Year: 315 Days

Day: 36.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 11.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.7 AU - 0.76 AU

Year: 403 Days

Day: 6.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,927,982 km

• M1: 147,952 km (0.086 R)
• M2: 544,835 km (0.11 R)
• M3: 1,141,581 km (0.081 R)
• M4: 1,602,193 km (0.077 R)
• M5: 2,195,648 km (0.086 R)
• M6: 3,219,047 km (0.105 R)
• M7: 3,916,921 km (0.087 R)
• M8: 4,295,404 km (0.099 R)
• M9: 4,817,949 km (0.099 R)
• M10: 5,189,849 km (0.099 R)
• M11: 5,732,441 km (0.034 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.2

Radius: 5.3

Gravity: 23.82 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.86 AU - 9.18 AU

Year: 14665 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,927,982 km

• M1: 65,973 km (0.093 R)
• M2: 245,191 km (0.106 R)
• M3: 429,495 km (0.097 R)
• M4: 650,302 km (0.101 R)
• M5: 978,819 km (0.113 R)
• M6: 1,143,825 km (0.072 R)
• M7: 2,171,114 km (0.108 R)
• M8: 2,413,014 km (0.107 R)
• M9: 2,927,032 km (0.058 R)
• M10: 3,172,223 km (0.08 R)
• M11: 3,457,656 km (0.11 R)
• M12: 3,990,673 km (0.112 R)
• M13: 4,674,634 km (0.111 R)
• M14: 5,113,704 km (0.092 R)
• M15: 5,918,989 km (0.092 R)
• M16: 6,311,684 km (0.084 R)
• M17: 6,805,656 km (0.042 R)
• M18: 7,192,815 km (0.062 R)
• M19: 17,220,211 km (0.114 R)
• M20: 17,536,910 km (0.058 R)
• M21: 18,675,948 km (0.116 R)
• M22: 21,463,106 km (0.085 R)
• M23: 22,860,200 km (0.119 R)
• M24: 28,281,627 km (0.062 R)
• M25: 30,531,878 km (0.034 R)
• M26: 31,229,603 km (0.059 R)
• M27: 34,251,180 km (0.117 R)
• M28: 35,640,346 km (0.059 R)
• M29: 39,619,051 km (0.09 R)
• M30: 40,728,020 km (0.09 R)
• M31: 42,143,067 km (0.118 R)
• M32: 44,031,141 km (0.11 R)
• M33: 45,370,790 km (0.11 R)
• M34: 46,737,516 km (0.112 R)
• M35: 47,663,677 km (0.095 R)
• M36: 49,712,270 km (0.12 R)
• M37: 51,327,628 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.5

Radius: 5.9

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.63 AU - 11.95 AU

Year: 21313 Days

Day: 22.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,927,982 km

• M1: 82,129 km (0.092 R)
• M2: 525,537 km (0.082 R)
• M3: 1,022,202 km (0.051 R)
• M4: 1,376,450 km (0.063 R)
• M5: 1,865,037 km (0.073 R)
• M6: 2,918,505 km (0.061 R)
• M7: 3,344,709 km (0.044 R)
• M8: 5,670,058 km (0.117 R)
• M9: 5,953,995 km (0.111 R)
• M10: 6,817,474 km (0.1 R)
• M11: 8,577,344 km (0.086 R)
• M12: 14,481,822 km (0.116 R)
• M13: 17,776,715 km (0.108 R)
• M14: 18,561,356 km (0.093 R)
• M15: 22,430,555 km (0.094 R)
• M16: 23,761,527 km (0.073 R)
• M17: 24,927,942 km (0.109 R)
• M18: 29,131,792 km (0.114 R)
• M19: 34,582,989 km (0.096 R)
• M20: 35,666,975 km (0.108 R)
• M21: 37,760,298 km (0.087 R)
• M22: 56,037,567 km (0.05 R)
• M23: 62,769,621 km (0.105 R)
• M24: 63,571,615 km (0.082 R)
• M25: 71,971,835 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.2

Radius: 3.5

Gravity: 80.59 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.32 AU - 11.32 AU

Year: 21406 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,927,982 km

• M1: 43,533 km (0.059 R)
• M2: 223,350 km (0.104 R)
• M3: 1,180,477 km (0.057 R)
• M4: 1,431,203 km (0.091 R)
• M5: 2,374,567 km (0.077 R)
• M6: 4,272,216 km (0.098 R)
• M7: 5,583,142 km (0.113 R)
• M8: 5,839,403 km (0.117 R)
• M9: 6,943,585 km (0.112 R)
• M10: 10,748,308 km (0.053 R)
• M11: 11,619,566 km (0.119 R)
• M12: 14,434,250 km (0.078 R)
• M13: 15,409,628 km (0.086 R)
• M14: 18,881,944 km (0.109 R)
• M15: 19,265,064 km (0.051 R)
• M16: 20,245,529 km (0.107 R)
• M17: 25,186,597 km (0.094 R)
• M18: 26,120,536 km (0.043 R)
• M19: 26,357,649 km (0.102 R)
• M20: 27,442,233 km (0.069 R)
• M21: 29,571,310 km (0.072 R)
• M22: 33,313,950 km (0.107 R)
• M23: 34,013,769 km (0.062 R)
• M24: 35,733,546 km (0.099 R)
• M25: 38,880,935 km (0.09 R)
• M26: 39,656,600 km (0.077 R)
• M27: 45,206,831 km (0.054 R)
• M28: 59,641,829 km (0.112 R)
• M29: 60,673,007 km (0.088 R)
• M30: 62,983,097 km (0.104 R)
• M31: 70,492,910 km (0.088 R)
• M32: 73,987,666 km (0.095 R)
• M33: 78,824,315 km (0.029 R)
• M34: 81,067,984 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 13,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit