🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.8

Radius: 13.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,408,520 km

• M1: 171,589 km (0.09 R)
• M2: 681,867 km (0.07 R)
• M3: 1,348,176 km (0.073 R)
• M4: 1,809,985 km (0.103 R)
• M5: 2,364,095 km (0.089 R)
• M6: 3,267,517 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.6

Radius: 9.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.61 AU - 0.75 AU

Year: 394 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,408,520 km

• M1: 114,442 km (0.112 R)
• M2: 466,596 km (0.106 R)
• M3: 940,522 km (0.079 R)
• M4: 1,254,079 km (0.119 R)
• M5: 1,619,098 km (0.056 R)
• M6: 1,986,809 km (0.095 R)
• M7: 2,444,429 km (0.115 R)
• M8: 2,749,908 km (0.116 R)
• M9: 3,225,031 km (0.071 R)
• M10: 3,594,089 km (0.111 R)
• M11: 4,064,275 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 13.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.76 AU - 0.76 AU

Year: 466 Days

Day: 9.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,408,520 km

• M1: 169,195 km (0.066 R)
• M2: 698,622 km (0.108 R)
• M3: 1,212,042 km (0.075 R)
• M4: 1,673,252 km (0.119 R)
• M5: 2,506,064 km (0.037 R)
• M6: 3,215,008 km (0.094 R)
• M7: 3,660,510 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 13.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.87 AU - 1.13 AU

Year: 703 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,408,520 km

• M1: 171,140 km (0.069 R)
• M2: 626,665 km (0.064 R)
• M3: 1,137,542 km (0.074 R)
• M4: 1,683,126 km (0.104 R)
• M5: 2,276,132 km (0.072 R)
• M6: 2,725,374 km (0.054 R)
• M7: 3,320,923 km (0.034 R)
• M8: 3,806,368 km (0.12 R)
• M9: 4,249,776 km (0.115 R)
• M10: 4,679,870 km (0.086 R)
• M11: 5,521,358 km (0.12 R)
• M12: 6,722,629 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.6

Radius: 14.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.24 AU - 2.56 AU

Year: 2614 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,408,520 km

• M1: 186,249 km (0.039 R)
• M2: 682,017 km (0.069 R)
• M3: 1,200,673 km (0.119 R)
• M4: 1,719,927 km (0.044 R)
• M5: 2,190,861 km (0.081 R)
• M6: 2,899,955 km (0.105 R)
• M7: 3,659,314 km (0.116 R)
• M8: 4,359,731 km (0.109 R)
• M9: 6,338,163 km (0.075 R)
• M10: 8,124,810 km (0.102 R)
• M11: 8,649,599 km (0.118 R)
• M12: 9,832,320 km (0.113 R)
• M13: 10,462,875 km (0.031 R)
• M14: 12,441,756 km (0.1 R)
• M15: 13,299,400 km (0.094 R)
• M16: 13,824,638 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 14.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.37 AU - 3.73 AU

Year: 3744 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,408,520 km

• M1: 177,872 km (0.094 R)
• M2: 966,402 km (0.095 R)
• M3: 1,598,154 km (0.109 R)
• M4: 2,396,707 km (0.088 R)
• M5: 3,965,840 km (0.096 R)
• M6: 4,488,684 km (0.094 R)
• M7: 5,156,938 km (0.046 R)
• M8: 7,865,108 km (0.11 R)
• M9: 8,948,496 km (0.097 R)
• M10: 9,737,475 km (0.111 R)
• M11: 10,369,227 km (0.112 R)
• M12: 10,986,318 km (0.117 R)
• M13: 11,715,308 km (0.094 R)
• M14: 12,845,670 km (0.106 R)
• M15: 13,317,651 km (0.055 R)
• M16: 15,166,083 km (0.095 R)
• M17: 19,428,575 km (0.069 R)
• M18: 20,881,320 km (0.066 R)
• M19: 22,135,099 km (0.093 R)
• M20: 23,159,845 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 12.1

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.72 AU - 5.3 AU

Year: 6732 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,408,520 km

• M1: 150,495 km (0.116 R)
• M2: 584,329 km (0.043 R)
• M3: 1,068,428 km (0.064 R)
• M4: 1,511,686 km (0.107 R)
• M5: 1,985,164 km (0.109 R)
• M6: 2,726,571 km (0.066 R)
• M7: 3,644,803 km (0.115 R)
• M8: 5,348,872 km (0.068 R)
• M9: 6,053,927 km (0.107 R)
• M10: 6,464,124 km (0.084 R)
• M11: 7,151,676 km (0.063 R)
• M12: 8,335,893 km (0.091 R)
• M13: 9,018,956 km (0.107 R)
• M14: 9,877,947 km (0.05 R)
• M15: 10,940,092 km (0.099 R)
• M16: 12,023,330 km (0.063 R)
• M17: 12,563,828 km (0.066 R)
• M18: 13,868,471 km (0.109 R)
• M19: 22,823,698 km (0.095 R)
• M20: 23,737,143 km (0.114 R)
• M21: 25,637,036 km (0.071 R)
• M22: 26,897,697 km (0.098 R)
• M23: 28,483,435 km (0.096 R)
• M24: 30,726,954 km (0.065 R)
• M25: 33,720,557 km (0.071 R)
• M26: 34,471,389 km (0.072 R)
• M27: 38,161,519 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857

Radius: 8

Gravity: 13.39 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.72 AU - 8.06 AU

Year: 15578 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,408,520 km

• M1: 107,710 km (0.047 R)
• M2: 433,983 km (0.111 R)
• M3: 687,851 km (0.12 R)
• M4: 1,331,720 km (0.107 R)
• M5: 1,807,441 km (0.092 R)
• M6: 2,435,154 km (0.108 R)
• M7: 2,945,582 km (0.11 R)
• M8: 3,333,190 km (0.1 R)
• M9: 5,161,426 km (0.07 R)
• M10: 6,845,748 km (0.098 R)
• M11: 7,433,967 km (0.098 R)
• M12: 8,203,798 km (0.119 R)
• M13: 9,078,796 km (0.111 R)
• M14: 11,073,982 km (0.115 R)
• M15: 12,867,661 km (0.117 R)
• M16: 16,221,346 km (0.082 R)
• M17: 19,844,906 km (0.115 R)
• M18: 21,988,793 km (0.091 R)
• M19: 25,221,752 km (0.115 R)
• M20: 29,691,587 km (0.056 R)
• M21: 30,165,663 km (0.067 R)
• M22: 39,017,668 km (0.107 R)
• M23: 41,620,970 km (0.108 R)
• M24: 44,030,244 km (0.098 R)
• M25: 52,328,737 km (0.114 R)
• M26: 54,069,607 km (0.077 R)
• M27: 54,954,329 km (0.073 R)
• M28: 57,666,389 km (0.089 R)
• M29: 58,034,699 km (0.105 R)
• M30: 59,711,242 km (0.075 R)
• M31: 67,350,009 km (0.078 R)
• M32: 68,168,459 km (0.034 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 17,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit