🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 12.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.58 AU - 0.92 AU

Year: 419 Days

Day: 10.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,703,968 km

• M1: 166,203 km (0.095 R)
• M2: 569,669 km (0.094 R)
• M3: 1,250,937 km (0.065 R)
• M4: 1,745,209 km (0.09 R)
• M5: 2,344,199 km (0.118 R)
• M6: 3,016,192 km (0.049 R)
• M7: 3,442,995 km (0.116 R)
• M8: 3,849,752 km (0.109 R)
• M9: 4,873,749 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 13.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.87 AU - 1.01 AU

Year: 588 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,703,968 km

• M1: 167,849 km (0.078 R)
• M2: 587,620 km (0.084 R)
• M3: 1,209,948 km (0.118 R)
• M4: 1,684,472 km (0.101 R)
• M5: 2,317,720 km (0.1 R)
• M6: 2,752,451 km (0.074 R)
• M7: 3,945,644 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 13.2

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.86 AU - 2.7 AU

Year: 2223 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,703,968 km

• M1: 164,109 km (0.059 R)
• M2: 666,010 km (0.08 R)
• M3: 3,759,095 km (0.036 R)
• M4: 5,047,731 km (0.093 R)
• M5: 6,007,551 km (0.043 R)
• M6: 7,975,511 km (0.103 R)
• M7: 9,414,344 km (0.085 R)
• M8: 10,195,693 km (0.058 R)
• M9: 11,646,643 km (0.042 R)
• M10: 14,349,428 km (0.106 R)
• M11: 15,920,654 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.7

Radius: 10.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.54 AU - 3.64 AU

Year: 4392 Days

Day: 7.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,703,968 km

• M1: 128,654 km (0.076 R)
• M2: 494,421 km (0.096 R)
• M3: 1,255,725 km (0.117 R)
• M4: 2,721,036 km (0.086 R)
• M5: 4,980,562 km (0.117 R)
• M6: 6,114,364 km (0.085 R)
• M7: 7,109,040 km (0.096 R)
• M8: 7,787,467 km (0.076 R)
• M9: 8,109,701 km (0.063 R)
• M10: 9,344,930 km (0.053 R)
• M11: 10,045,198 km (0.096 R)
• M12: 11,592,189 km (0.077 R)
• M13: 12,184,447 km (0.078 R)
• M14: 12,885,912 km (0.077 R)
• M15: 14,273,432 km (0.083 R)
• M16: 16,327,261 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 9

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.89 AU - 5.79 AU

Year: 6875 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,703,968 km

• M1: 111,899 km (0.076 R)
• M2: 523,293 km (0.095 R)
• M3: 978,370 km (0.064 R)
• M4: 1,500,467 km (0.098 R)
• M5: 2,084,946 km (0.061 R)
• M6: 2,622,151 km (0.102 R)
• M7: 3,184,041 km (0.119 R)
• M8: 3,493,858 km (0.105 R)
• M9: 3,775,551 km (0.091 R)
• M10: 4,855,348 km (0.03 R)
• M11: 5,735,134 km (0.089 R)
• M12: 7,007,164 km (0.095 R)
• M13: 8,292,060 km (0.119 R)
• M14: 9,143,571 km (0.071 R)
• M15: 9,773,378 km (0.074 R)
• M16: 10,193,449 km (0.09 R)
• M17: 14,117,102 km (0.077 R)
• M18: 15,832,840 km (0.101 R)
• M19: 18,518,571 km (0.111 R)
• M20: 19,090,035 km (0.104 R)
• M21: 19,526,262 km (0.062 R)
• M22: 22,125,226 km (0.115 R)
• M23: 25,908,107 km (0.075 R)
• M24: 28,185,735 km (0.077 R)
• M25: 29,808,722 km (0.101 R)
• M26: 31,492,895 km (0.082 R)
• M27: 36,589,694 km (0.083 R)
• M28: 37,830,609 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.7

Radius: 11.3

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.25 AU - 5.45 AU

Year: 6896 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 113.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,703,968 km

• M1: 141,968 km (0.097 R)
• M2: 581,637 km (0.093 R)
• M3: 933,940 km (0.108 R)
• M4: 1,314,068 km (0.073 R)
• M5: 1,719,478 km (0.088 R)
• M6: 2,680,794 km (0.107 R)
• M7: 3,058,528 km (0.102 R)
• M8: 3,993,366 km (0.104 R)
• M9: 6,194,100 km (0.095 R)
• M10: 7,139,409 km (0.08 R)
• M11: 10,190,009 km (0.058 R)
• M12: 11,023,269 km (0.081 R)
• M13: 11,456,504 km (0.053 R)
• M14: 13,686,111 km (0.096 R)
• M15: 14,243,512 km (0.109 R)
• M16: 14,700,235 km (0.102 R)
• M17: 21,266,085 km (0.048 R)
• M18: 23,169,419 km (0.111 R)
• M19: 23,881,505 km (0.083 R)
• M20: 26,361,239 km (0.119 R)
• M21: 28,017,736 km (0.099 R)
• M22: 29,928,251 km (0.077 R)
• M23: 30,867,875 km (0.097 R)
• M24: 31,537,176 km (0.053 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 17,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit