🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 8.6

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.52 AU - 0.84 AU

Year: 368 Days

Day: 8.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,358,047 km

• M1: 106,962 km (0.119 R)
• M2: 395,686 km (0.034 R)
• M3: 736,321 km (0.111 R)
• M4: 1,028,635 km (0.05 R)
• M5: 1,357,152 km (0.03 R)
• M6: 1,649,017 km (0.103 R)
• M7: 1,991,148 km (0.094 R)
• M8: 2,300,366 km (0.094 R)
• M9: 2,729,862 km (0.096 R)
• M10: 3,279,036 km (0.106 R)
• M11: 4,305,876 km (0.083 R)
• M12: 4,812,564 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.8

Radius: 11.2

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.6 AU - 0.92 AU

Year: 435 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 138 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,358,047 km

• M1: 139,276 km (0.051 R)
• M2: 764,296 km (0.042 R)
• M3: 1,120,937 km (0.081 R)
• M4: 1,543,850 km (0.115 R)
• M5: 2,014,635 km (0.112 R)
• M6: 2,453,405 km (0.035 R)
• M7: 3,261,234 km (0.098 R)
• M8: 4,224,195 km (0.081 R)
• M9: 6,127,828 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 10.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.6 AU - 2.08 AU

Year: 1637 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 101.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,358,047 km

• M1: 125,961 km (0.104 R)
• M2: 484,099 km (0.112 R)
• M3: 830,119 km (0.098 R)
• M4: 1,202,168 km (0.08 R)
• M5: 1,540,708 km (0.098 R)
• M6: 2,490,805 km (0.117 R)
• M7: 2,828,148 km (0.098 R)
• M8: 3,422,949 km (0.102 R)
• M9: 4,012,364 km (0.064 R)
• M10: 4,961,563 km (0.086 R)
• M11: 6,309,290 km (0.111 R)
• M12: 6,866,692 km (0.059 R)
• M13: 7,325,658 km (0.108 R)
• M14: 8,080,080 km (0.048 R)
• M15: 8,826,274 km (0.082 R)
• M16: 11,306,607 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.1

Radius: 10.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.47 AU - 5.59 AU

Year: 6325 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,358,047 km

• M1: 128,505 km (0.05 R)
• M2: 714,779 km (0.115 R)
• M3: 1,035,217 km (0.075 R)
• M4: 1,425,817 km (0.108 R)
• M5: 1,843,644 km (0.119 R)
• M6: 2,897,711 km (0.099 R)
• M7: 3,483,386 km (0.053 R)
• M8: 5,645,524 km (0.054 R)
• M9: 12,189,384 km (0.044 R)
• M10: 13,070,516 km (0.116 R)
• M11: 17,077,644 km (0.094 R)
• M12: 17,623,228 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.8

Radius: 6.8

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.25 AU - 8.73 AU

Year: 12123 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,358,047 km

• M1: 88,712 km (0.094 R)
• M2: 336,745 km (0.119 R)
• M3: 646,861 km (0.103 R)
• M4: 892,351 km (0.084 R)
• M5: 1,439,730 km (0.085 R)
• M6: 1,756,877 km (0.074 R)
• M7: 3,442,097 km (0.107 R)
• M8: 3,984,838 km (0.078 R)
• M9: 4,348,511 km (0.091 R)
• M10: 4,982,656 km (0.03 R)
• M11: 6,064,997 km (0.081 R)
• M12: 7,670,481 km (0.109 R)
• M13: 8,057,641 km (0.105 R)
• M14: 8,322,878 km (0.1 R)
• M15: 8,731,729 km (0.104 R)
• M16: 9,887,522 km (0.064 R)
• M17: 16,297,491 km (0.093 R)
• M18: 19,585,952 km (0.067 R)
• M19: 20,390,639 km (0.093 R)
• M20: 21,469,239 km (0.102 R)
• M21: 23,559,869 km (0.101 R)
• M22: 23,920,999 km (0.085 R)
• M23: 25,687,151 km (0.049 R)
• M24: 29,061,331 km (0.114 R)
• M25: 33,282,534 km (0.108 R)
• M26: 34,892,207 km (0.083 R)
• M27: 43,319,355 km (0.103 R)
• M28: 45,794,601 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.5

Radius: 3.9

Gravity: 61.9 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.94 AU - 10.6 AU

Year: 18515 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,358,047 km

• M1: 49,816 km (0.111 R)
• M2: 224,995 km (0.092 R)
• M3: 464,352 km (0.041 R)
• M4: 710,440 km (0.11 R)
• M5: 1,830,480 km (0.106 R)
• M6: 2,805,409 km (0.104 R)
• M7: 3,289,208 km (0.091 R)
• M8: 3,795,448 km (0.063 R)
• M9: 4,083,573 km (0.068 R)
• M10: 4,317,544 km (0.07 R)
• M11: 6,126,930 km (0.059 R)
• M12: 7,318,029 km (0.091 R)
• M13: 7,814,694 km (0.051 R)
• M14: 10,576,869 km (0.084 R)
• M15: 12,072,548 km (0.079 R)
• M16: 12,208,981 km (0.056 R)
• M17: 13,409,953 km (0.07 R)
• M18: 13,629,862 km (0.113 R)
• M19: 13,852,015 km (0.065 R)
• M20: 16,626,457 km (0.09 R)
• M21: 17,569,372 km (0.063 R)
• M22: 22,616,356 km (0.047 R)
• M23: 23,559,570 km (0.118 R)
• M24: 30,023,844 km (0.071 R)
• M25: 30,148,908 km (0.111 R)
• M26: 30,400,083 km (0.084 R)
• M27: 36,712,514 km (0.1 R)
• M28: 41,786,874 km (0.101 R)
• M29: 44,490,856 km (0.113 R)
• M30: 46,468,240 km (0.118 R)
• M31: 52,206,515 km (0.033 R)
• M32: 66,327,507 km (0.112 R)
• M33: 68,469,898 km (0.1 R)
• M34: 69,339,660 km (0.079 R)
• M35: 72,666,866 km (0.071 R)
• M36: 78,209,168 km (0.097 R)
• M37: 79,877,185 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 16,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit