🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 13.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 12.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,241,721 km

• M1: 173,384 km (0.067 R)
• M2: 646,412 km (0.111 R)
• M3: 1,174,044 km (0.042 R)
• M4: 1,596,957 km (0.071 R)
• M5: 2,285,706 km (0.109 R)
• M6: 2,749,758 km (0.113 R)
• M7: 3,582,271 km (0.103 R)
• M8: 4,058,441 km (0.03 R)

Asteroid Belt

Center: 0.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.5

Radius: 11.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.08 AU - 1.08 AU

Year: 748 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,241,721 km

• M1: 144,212 km (0.086 R)
• M2: 548,276 km (0.102 R)
• M3: 1,015,022 km (0.096 R)
• M4: 1,398,291 km (0.105 R)
• M5: 1,796,521 km (0.099 R)
• M6: 2,175,303 km (0.093 R)
• M7: 3,026,365 km (0.106 R)
• M8: 3,555,493 km (0.109 R)
• M9: 4,028,371 km (0.115 R)
• M10: 4,511,722 km (0.113 R)
• M11: 5,433,095 km (0.108 R)
• M12: 7,292,447 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 11.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.2 AU - 1.26 AU

Year: 910 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,241,721 km

• M1: 138,079 km (0.086 R)
• M2: 517,010 km (0.097 R)
• M3: 1,076,506 km (0.104 R)
• M4: 1,565,243 km (0.039 R)
• M5: 2,189,365 km (0.086 R)
• M6: 3,169,380 km (0.058 R)
• M7: 3,766,575 km (0.037 R)
• M8: 4,172,883 km (0.085 R)
• M9: 4,539,398 km (0.086 R)
• M10: 5,299,654 km (0.091 R)
• M11: 6,142,788 km (0.115 R)
• M12: 7,189,674 km (0.106 R)
• M13: 7,572,046 km (0.101 R)
• M14: 8,351,900 km (0.09 R)
• M15: 9,577,854 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.52 AU - 2.26 AU

Year: 1733 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,241,721 km

• M1: 278,252 km (0.089 R)
• M2: 838,047 km (0.074 R)
• M3: 1,852,919 km (0.1 R)
• M4: 2,232,000 km (0.114 R)
• M5: 3,061,969 km (0.113 R)
• M6: 3,910,638 km (0.057 R)
• M7: 5,350,667 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 9.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.64 AU - 2.68 AU

Year: 2893 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,241,721 km

• M1: 115,639 km (0.089 R)
• M2: 810,521 km (0.052 R)
• M3: 1,165,068 km (0.083 R)
• M4: 1,776,924 km (0.112 R)
• M5: 2,236,039 km (0.118 R)
• M6: 2,534,786 km (0.113 R)
• M7: 3,025,916 km (0.111 R)
• M8: 3,409,934 km (0.118 R)
• M9: 3,935,621 km (0.099 R)
• M10: 4,974,279 km (0.082 R)
• M11: 5,557,561 km (0.047 R)
• M12: 5,914,501 km (0.085 R)
• M13: 6,362,996 km (0.04 R)
• M14: 7,384,300 km (0.106 R)
• M15: 7,934,372 km (0.118 R)
• M16: 8,573,753 km (0.087 R)
• M17: 9,247,093 km (0.095 R)
• M18: 11,864,308 km (0.091 R)
• M19: 12,578,488 km (0.112 R)
• M20: 12,987,638 km (0.112 R)
• M21: 13,532,623 km (0.12 R)
• M22: 15,866,350 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 10.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.85 AU - 3.05 AU

Year: 3379 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,241,721 km

• M1: 136,433 km (0.054 R)
• M2: 725,550 km (0.069 R)
• M3: 1,069,924 km (0.092 R)
• M4: 1,587,084 km (0.103 R)
• M5: 2,831,140 km (0.111 R)
• M6: 4,921,920 km (0.092 R)
• M7: 5,358,895 km (0.103 R)
• M8: 6,284,457 km (0.06 R)
• M9: 6,744,171 km (0.065 R)
• M10: 7,313,541 km (0.12 R)
• M11: 8,070,207 km (0.097 R)
• M12: 8,811,614 km (0.085 R)
• M13: 9,953,943 km (0.078 R)
• M14: 10,730,655 km (0.079 R)
• M15: 11,467,724 km (0.069 R)
• M16: 13,042,990 km (0.093 R)
• M17: 14,018,368 km (0.086 R)
• M18: 15,233,102 km (0.056 R)
• M19: 16,214,165 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.3

Radius: 5.2

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.77 AU - 10.51 AU

Year: 16936 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,241,721 km

• M1: 64,925 km (0.086 R)
• M2: 233,522 km (0.119 R)
• M3: 483,800 km (0.081 R)
• M4: 915,689 km (0.06 R)
• M5: 1,679,685 km (0.03 R)
• M6: 2,210,608 km (0.098 R)
• M7: 3,571,051 km (0.043 R)
• M8: 4,594,450 km (0.1 R)
• M9: 5,240,713 km (0.117 R)
• M10: 5,620,990 km (0.038 R)
• M11: 7,892,185 km (0.117 R)
• M12: 8,720,359 km (0.079 R)
• M13: 9,604,931 km (0.112 R)
• M14: 10,930,668 km (0.058 R)
• M15: 11,724,135 km (0.061 R)
• M16: 12,134,781 km (0.098 R)
• M17: 13,109,710 km (0.082 R)
• M18: 14,939,741 km (0.117 R)
• M19: 17,839,396 km (0.118 R)
• M20: 23,592,931 km (0.078 R)
• M21: 24,247,272 km (0.052 R)
• M22: 26,784,003 km (0.066 R)
• M23: 33,301,683 km (0.062 R)
• M24: 33,770,373 km (0.077 R)
• M25: 35,202,773 km (0.095 R)
• M26: 37,806,075 km (0.101 R)
• M27: 38,830,671 km (0.046 R)
• M28: 43,671,209 km (0.095 R)
• M29: 44,656,909 km (0.108 R)
• M30: 45,083,861 km (0.117 R)
• M31: 47,554,770 km (0.054 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 18,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit