🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 13.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.76 AU - 1.24 AU

Year: 656 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,526,336 km

• M1: 170,392 km (0.111 R)
• M2: 647,310 km (0.085 R)
• M3: 1,195,586 km (0.068 R)
• M4: 1,663,828 km (0.107 R)
• M5: 2,127,132 km (0.068 R)
• M6: 2,763,970 km (0.061 R)
• M7: 4,200,559 km (0.105 R)
• M8: 5,382,232 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 12.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.94 AU - 1.3 AU

Year: 778 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,526,336 km

• M1: 156,629 km (0.107 R)
• M2: 604,076 km (0.093 R)
• M3: 1,280,558 km (0.044 R)
• M4: 1,998,179 km (0.115 R)
• M5: 3,070,347 km (0.118 R)
• M6: 3,634,630 km (0.091 R)
• M7: 4,577,246 km (0.084 R)
• M8: 5,298,009 km (0.102 R)
• M9: 6,154,307 km (0.112 R)
• M10: 7,468,225 km (0.09 R)
• M11: 7,921,058 km (0.115 R)
• M12: 8,316,594 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 12.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.37 AU - 1.57 AU

Year: 1169 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,526,336 km

• M1: 158,125 km (0.076 R)
• M2: 572,062 km (0.098 R)
• M3: 1,640,789 km (0.1 R)
• M4: 2,109,480 km (0.092 R)
• M5: 3,352,787 km (0.114 R)
• M6: 4,018,797 km (0.07 R)
• M7: 4,978,617 km (0.119 R)
• M8: 5,998,276 km (0.12 R)
• M9: 6,534,884 km (0.088 R)
• M10: 7,860,620 km (0.082 R)
• M11: 8,394,685 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 13.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.76 AU - 4.16 AU

Year: 4222 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,526,336 km

• M1: 171,589 km (0.108 R)
• M2: 740,509 km (0.087 R)
• M3: 1,370,167 km (0.093 R)
• M4: 1,891,216 km (0.118 R)
• M5: 2,723,130 km (0.049 R)
• M6: 3,417,115 km (0.073 R)
• M7: 4,226,888 km (0.117 R)
• M8: 7,875,430 km (0.082 R)
• M9: 9,870,168 km (0.113 R)
• M10: 12,484,391 km (0.113 R)
• M11: 13,238,065 km (0.067 R)
• M12: 15,380,007 km (0.091 R)
• M13: 16,771,118 km (0.118 R)
• M14: 18,076,808 km (0.12 R)
• M15: 19,390,577 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.3

Radius: 8.1

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.51 AU - 4.37 AU

Year: 5130 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,526,336 km

• M1: 100,829 km (0.061 R)
• M2: 392,246 km (0.097 R)
• M3: 835,803 km (0.112 R)
• M4: 1,128,566 km (0.11 R)
• M5: 1,551,779 km (0.092 R)
• M6: 2,202,380 km (0.092 R)
• M7: 3,890,592 km (0.075 R)
• M8: 8,848,714 km (0.106 R)
• M9: 9,438,130 km (0.105 R)
• M10: 12,162,905 km (0.1 R)
• M11: 12,575,795 km (0.11 R)
• M12: 13,982,763 km (0.091 R)
• M13: 14,666,276 km (0.1 R)
• M14: 18,489,698 km (0.077 R)
• M15: 18,829,734 km (0.112 R)
• M16: 20,304,021 km (0.084 R)
• M17: 23,480,583 km (0.066 R)
• M18: 24,855,537 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 10.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.43 AU - 6.79 AU

Year: 8717 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,526,336 km

• M1: 130,599 km (0.09 R)
• M2: 503,098 km (0.037 R)
• M3: 1,038,658 km (0.096 R)
• M4: 1,598,603 km (0.076 R)
• M5: 1,934,001 km (0.085 R)
• M6: 2,847,745 km (0.112 R)
• M7: 3,617,875 km (0.063 R)
• M8: 4,467,591 km (0.109 R)
• M9: 5,232,934 km (0.055 R)
• M10: 7,780,436 km (0.044 R)
• M11: 8,301,036 km (0.114 R)
• M12: 9,016,563 km (0.062 R)
• M13: 11,874,181 km (0.106 R)
• M14: 13,451,392 km (0.08 R)
• M15: 15,660,653 km (0.083 R)
• M16: 16,621,670 km (0.089 R)
• M17: 17,083,478 km (0.12 R)
• M18: 18,590,527 km (0.088 R)
• M19: 20,483,688 km (0.042 R)
• M20: 26,750,194 km (0.094 R)
• M21: 28,495,702 km (0.084 R)
• M22: 29,636,535 km (0.065 R)
• M23: 30,906,471 km (0.049 R)
• M24: 31,504,713 km (0.106 R)
• M25: 34,612,310 km (0.057 R)
• M26: 36,240,234 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.2

Radius: 3.4

Gravity: 60.66 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.77 AU - 11.49 AU

Year: 22736 Days

Day: 22 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 83,526,336 km

• M1: 45,328 km (0.059 R)
• M2: 153,338 km (0.113 R)
• M3: 614,847 km (0.03 R)
• M4: 1,031,777 km (0.091 R)
• M5: 1,167,761 km (0.047 R)
• M6: 1,346,680 km (0.078 R)
• M7: 1,560,904 km (0.092 R)
• M8: 1,740,870 km (0.084 R)
• M9: 2,015,831 km (0.113 R)
• M10: 2,505,316 km (0.078 R)
• M11: 2,752,302 km (0.054 R)
• M12: 3,714,515 km (0.065 R)
• M13: 4,623,173 km (0.115 R)
• M14: 6,052,431 km (0.04 R)
• M15: 6,496,288 km (0.106 R)
• M16: 7,448,628 km (0.079 R)
• M17: 8,989,486 km (0.119 R)
• M18: 9,744,357 km (0.117 R)
• M19: 10,477,835 km (0.079 R)
• M20: 11,051,543 km (0.113 R)
• M21: 11,445,434 km (0.084 R)
• M22: 13,408,308 km (0.081 R)
• M23: 13,856,353 km (0.043 R)
• M24: 18,437,938 km (0.119 R)
• M25: 19,366,791 km (0.112 R)
• M26: 20,229,073 km (0.072 R)
• M27: 21,722,658 km (0.094 R)
• M28: 22,653,157 km (0.12 R)
• M29: 26,292,275 km (0.084 R)
• M30: 26,524,600 km (0.104 R)
• M31: 27,348,436 km (0.103 R)
• M32: 29,922,117 km (0.118 R)
• M33: 35,544,604 km (0.082 R)
• M34: 40,891,381 km (0.114 R)
• M35: 43,918,045 km (0.06 R)
• M36: 46,241,300 km (0.091 R)
• M37: 53,887,247 km (0.119 R)
• M38: 55,587,427 km (0.114 R)
• M39: 59,094,600 km (0.097 R)
• M40: 61,308,798 km (0.106 R)
• M41: 63,786,737 km (0.057 R)
• M42: 81,046,741 km (0.083 R)
• M43: 82,280,325 km (0.075 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 14,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit