🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 10.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.56 AU - 0.7 AU

Year: 339 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,218,787 km

• M1: 141,968 km (0.057 R)
• M2: 504,743 km (0.081 R)
• M3: 850,763 km (0.071 R)
• M4: 1,295,518 km (0.095 R)
• M5: 1,880,445 km (0.109 R)
• M6: 2,558,273 km (0.087 R)
• M7: 3,653,180 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 14.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.75 AU - 0.75 AU

Year: 441 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,218,787 km

• M1: 186,997 km (0.045 R)
• M2: 797,057 km (0.072 R)
• M3: 1,422,676 km (0.097 R)
• M4: 2,016,280 km (0.077 R)
• M5: 2,704,580 km (0.059 R)
• M6: 3,546,966 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 11.2

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.96 AU - 0.96 AU

Year: 638 Days

Day: 11 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,218,787 km

• M1: 139,276 km (0.12 R)
• M2: 597,793 km (0.079 R)
• M3: 1,025,793 km (0.076 R)
• M4: 1,846,487 km (0.075 R)
• M5: 2,404,786 km (0.111 R)
• M6: 2,970,565 km (0.104 R)
• M7: 3,821,178 km (0.101 R)
• M8: 5,002,553 km (0.118 R)
• M9: 5,572,820 km (0.108 R)
• M10: 5,946,515 km (0.118 R)
• M11: 6,298,818 km (0.066 R)
• M12: 6,684,930 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 10.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.99 AU - 1.27 AU

Year: 815 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,218,787 km

• M1: 130,599 km (0.057 R)
• M2: 608,714 km (0.075 R)
• M3: 1,063,192 km (0.119 R)
• M4: 1,600,248 km (0.077 R)
• M5: 2,139,100 km (0.095 R)
• M6: 2,695,754 km (0.091 R)
• M7: 3,393,029 km (0.077 R)
• M8: 4,219,707 km (0.027 R)
• M9: 5,113,854 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.9

Radius: 3

Gravity: 69.32 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.11 AU - 7.09 AU

Year: 10218 Days

Day: 15.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,218,787 km

• M1: 37,250 km (0.077 R)
• M2: 189,989 km (0.101 R)
• M3: 402,867 km (0.072 R)
• M4: 818,300 km (0.116 R)
• M5: 1,027,588 km (0.116 R)
• M6: 1,234,182 km (0.088 R)
• M7: 1,467,854 km (0.103 R)
• M8: 1,684,173 km (0.041 R)
• M9: 1,856,061 km (0.069 R)
• M10: 2,767,261 km (0.093 R)
• M11: 3,355,331 km (0.076 R)
• M12: 3,452,569 km (0.108 R)
• M13: 3,730,073 km (0.105 R)
• M14: 4,215,818 km (0.041 R)
• M15: 4,927,455 km (0.12 R)
• M16: 5,021,552 km (0.109 R)
• M17: 6,852,779 km (0.091 R)
• M18: 7,578,179 km (0.094 R)
• M19: 8,045,822 km (0.06 R)
• M20: 8,176,571 km (0.09 R)
• M21: 10,728,112 km (0.107 R)
• M22: 10,939,793 km (0.072 R)
• M23: 16,752,867 km (0.094 R)
• M24: 20,550,259 km (0.119 R)
• M25: 20,876,832 km (0.074 R)
• M26: 25,817,301 km (0.079 R)
• M27: 26,197,280 km (0.035 R)
• M28: 27,854,076 km (0.11 R)
• M29: 28,860,720 km (0.089 R)
• M30: 29,476,166 km (0.062 R)
• M31: 29,579,538 km (0.093 R)
• M32: 32,795,743 km (0.107 R)
• M33: 34,833,116 km (0.11 R)
• M34: 43,157,340 km (0.067 R)
• M35: 43,290,781 km (0.114 R)
• M36: 44,231,902 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.9

Radius: 3.7

Gravity: 31.91 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.72 AU - 11.62 AU

Year: 23639 Days

Day: 16.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,218,787 km

• M1: 46,226 km (0.048 R)
• M2: 292,913 km (0.12 R)
• M3: 555,906 km (0.076 R)
• M4: 1,273,676 km (0.086 R)
• M5: 1,438,832 km (0.091 R)
• M6: 2,399,101 km (0.09 R)
• M7: 2,651,772 km (0.088 R)
• M8: 2,896,664 km (0.06 R)
• M9: 3,633,583 km (0.117 R)
• M10: 5,089,170 km (0.058 R)
• M11: 6,364,492 km (0.053 R)
• M12: 6,938,648 km (0.112 R)
• M13: 7,122,055 km (0.117 R)
• M14: 7,498,444 km (0.116 R)
• M15: 7,937,663 km (0.106 R)
• M16: 8,087,859 km (0.117 R)
• M17: 8,974,825 km (0.059 R)
• M18: 9,358,244 km (0.033 R)
• M19: 9,695,438 km (0.101 R)
• M20: 13,384,222 km (0.104 R)
• M21: 13,740,265 km (0.105 R)
• M22: 14,396,850 km (0.054 R)
• M23: 16,249,770 km (0.114 R)
• M24: 17,149,750 km (0.094 R)
• M25: 17,485,149 km (0.071 R)
• M26: 17,824,885 km (0.113 R)
• M27: 18,429,859 km (0.119 R)
• M28: 19,048,596 km (0.12 R)
• M29: 20,420,558 km (0.105 R)
• M30: 21,564,683 km (0.111 R)
• M31: 22,550,084 km (0.103 R)
• M32: 27,357,561 km (0.073 R)
• M33: 29,817,698 km (0.105 R)
• M34: 37,510,469 km (0.027 R)
• M35: 42,646,015 km (0.102 R)
• M36: 49,402,902 km (0.087 R)
• M37: 52,154,006 km (0.094 R)
• M38: 57,771,257 km (0.109 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: 352 - 19,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit