🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.1

Radius: 12.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,170,420 km

• M1: 156,779 km (0.088 R)
• M2: 627,264 km (0.112 R)
• M3: 1,277,715 km (0.092 R)
• M4: 1,717,683 km (0.028 R)
• M5: 2,361,103 km (0.078 R)
• M6: 2,885,593 km (0.09 R)
• M7: 3,331,993 km (0.093 R)
• M8: 3,995,460 km (0.118 R)
• M9: 4,405,508 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 12.5

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.53 AU - 0.81 AU

Year: 372 Days

Day: 12.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,170,420 km

• M1: 155,731 km (0.063 R)
• M2: 574,007 km (0.113 R)
• M3: 1,028,635 km (0.089 R)
• M4: 1,468,154 km (0.106 R)
• M5: 1,905,727 km (0.106 R)
• M6: 2,614,223 km (0.109 R)
• M7: 3,030,703 km (0.067 R)
• M8: 3,577,184 km (0.092 R)
• M9: 4,147,751 km (0.107 R)
• M10: 4,615,094 km (0.097 R)
• M11: 5,070,321 km (0.088 R)
• M12: 5,472,589 km (0.097 R)
• M13: 5,930,957 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.4

Radius: 13.7

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.04 AU - 1.3 AU

Year: 858 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,170,420 km

• M1: 170,392 km (0.094 R)
• M2: 609,911 km (0.099 R)
• M3: 1,131,708 km (0.082 R)
• M4: 1,976,637 km (0.091 R)
• M5: 2,670,771 km (0.103 R)
• M6: 3,143,350 km (0.093 R)
• M7: 3,763,134 km (0.091 R)
• M8: 6,168,967 km (0.101 R)
• M9: 7,193,414 km (0.079 R)
• M10: 8,381,221 km (0.102 R)
• M11: 9,813,920 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 11.1

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.09 AU - 1.27 AU

Year: 869 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,170,420 km

• M1: 138,079 km (0.091 R)
• M2: 552,764 km (0.063 R)
• M3: 945,159 km (0.075 R)
• M4: 1,389,315 km (0.089 R)
• M5: 2,432,761 km (0.051 R)
• M6: 2,938,252 km (0.112 R)
• M7: 3,675,769 km (0.036 R)
• M8: 4,549,870 km (0.052 R)
• M9: 5,637,446 km (0.091 R)
• M10: 7,195,209 km (0.085 R)
• M11: 7,706,684 km (0.075 R)
• M12: 8,505,985 km (0.053 R)
• M13: 9,851,469 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.1

Radius: 13.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.17 AU - 1.25 AU

Year: 903 Days

Day: 13.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,170,420 km

• M1: 173,384 km (0.095 R)
• M2: 607,068 km (0.051 R)
• M3: 1,120,638 km (0.082 R)
• M4: 1,598,004 km (0.091 R)
• M5: 2,776,088 km (0.043 R)
• M6: 3,216,803 km (0.062 R)
• M7: 3,808,163 km (0.109 R)
• M8: 4,355,692 km (0.087 R)
• M9: 4,813,760 km (0.074 R)
• M10: 5,571,473 km (0.106 R)
• M11: 7,185,934 km (0.072 R)
• M12: 8,380,922 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 10.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.43 AU - 1.55 AU

Year: 1234 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,170,420 km

• M1: 140,622 km (0.096 R)
• M2: 458,667 km (0.103 R)
• M3: 876,644 km (0.09 R)
• M4: 1,249,591 km (0.06 R)
• M5: 1,678,488 km (0.108 R)
• M6: 2,056,073 km (0.113 R)
• M7: 2,392,519 km (0.113 R)
• M8: 3,747,427 km (0.055 R)
• M9: 4,221,802 km (0.113 R)
• M10: 5,236,075 km (0.092 R)
• M11: 5,970,601 km (0.071 R)
• M12: 7,525,371 km (0.078 R)
• M13: 8,563,431 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.8

Radius: 11.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.46 AU - 1.94 AU

Year: 1503 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,170,420 km

• M1: 146,756 km (0.095 R)
• M2: 708,645 km (0.119 R)
• M3: 1,442,871 km (0.069 R)
• M4: 2,463,727 km (0.117 R)
• M5: 3,115,525 km (0.082 R)
• M6: 3,482,938 km (0.095 R)
• M7: 3,951,329 km (0.068 R)
• M8: 4,442,159 km (0.111 R)
• M9: 5,101,886 km (0.119 R)
• M10: 5,478,424 km (0.104 R)
• M11: 5,897,298 km (0.116 R)
• M12: 6,591,581 km (0.063 R)
• M13: 7,147,487 km (0.103 R)
• M14: 8,263,038 km (0.028 R)
• M15: 9,327,128 km (0.076 R)
• M16: 9,960,525 km (0.102 R)
• M17: 10,445,223 km (0.081 R)
• M18: 13,650,806 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 12.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.12 AU - 6.38 AU

Year: 8159 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,170,420 km

• M1: 155,731 km (0.105 R)
• M2: 827,276 km (0.091 R)
• M3: 1,283,999 km (0.08 R)
• M4: 2,127,431 km (0.089 R)
• M5: 2,664,338 km (0.087 R)
• M6: 4,681,965 km (0.119 R)
• M7: 5,365,477 km (0.105 R)
• M8: 5,806,941 km (0.049 R)
• M9: 8,625,963 km (0.042 R)
• M10: 9,316,955 km (0.066 R)
• M11: 10,176,844 km (0.103 R)
• M12: 10,948,619 km (0.085 R)
• M13: 11,807,910 km (0.102 R)
• M14: 12,354,839 km (0.062 R)
• M15: 14,375,607 km (0.12 R)
• M16: 15,582,563 km (0.118 R)
• M17: 18,593,370 km (0.056 R)
• M18: 19,266,261 km (0.106 R)
• M19: 21,236,914 km (0.119 R)
• M20: 22,953,699 km (0.077 R)
• M21: 23,494,046 km (0.061 R)
• M22: 24,440,103 km (0.106 R)
• M23: 24,841,774 km (0.118 R)
• M24: 26,916,397 km (0.063 R)
• M25: 27,517,481 km (0.084 R)
• M26: 28,657,567 km (0.08 R)
• M27: 29,646,558 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 11,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit