🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.2

Radius: 10.1

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.66 AU - 0.82 AU

Year: 424 Days

Day: 5.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,005,830 km

• M1: 125,662 km (0.092 R)
• M2: 484,697 km (0.072 R)
• M3: 804,238 km (0.103 R)
• M4: 1,254,378 km (0.084 R)
• M5: 1,639,593 km (0.11 R)
• M6: 2,330,286 km (0.08 R)
• M7: 2,822,613 km (0.059 R)
• M8: 3,419,957 km (0.061 R)
• M9: 4,636,188 km (0.09 R)
• M10: 6,175,101 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 9.3

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.55 AU - 1.65 AU

Year: 1350 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,005,830 km

• M1: 115,639 km (0.047 R)
• M2: 596,148 km (0.1 R)
• M3: 1,032,375 km (0.117 R)
• M4: 1,492,688 km (0.111 R)
• M5: 2,304,256 km (0.078 R)
• M6: 2,602,405 km (0.107 R)
• M7: 3,186,883 km (0.099 R)
• M8: 4,064,425 km (0.107 R)
• M9: 5,074,360 km (0.058 R)
• M10: 5,452,842 km (0.12 R)
• M11: 6,979,788 km (0.111 R)
• M12: 10,215,141 km (0.107 R)
• M13: 11,307,205 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.9

Radius: 13.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.24 AU - 2.5 AU

Year: 2433 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,005,830 km

• M1: 167,101 km (0.034 R)
• M2: 701,913 km (0.099 R)
• M3: 1,159,982 km (0.074 R)
• M4: 1,616,255 km (0.089 R)
• M5: 2,766,513 km (0.098 R)
• M6: 3,419,359 km (0.054 R)
• M7: 4,645,762 km (0.107 R)
• M8: 5,447,008 km (0.111 R)
• M9: 6,848,591 km (0.039 R)
• M10: 8,784,985 km (0.09 R)
• M11: 10,353,968 km (0.12 R)
• M12: 10,983,176 km (0.094 R)
• M13: 13,205,902 km (0.079 R)
• M14: 14,135,802 km (0.097 R)
• M15: 15,919,158 km (0.118 R)
• M16: 17,134,491 km (0.045 R)
• M17: 17,681,720 km (0.092 R)
• M18: 18,984,867 km (0.091 R)
• M19: 20,229,821 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.9

Radius: 15

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.55 AU - 2.75 AU

Year: 2877 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,005,830 km

• M1: 186,549 km (0.113 R)
• M2: 655,239 km (0.094 R)
• M3: 1,166,115 km (0.099 R)
• M4: 1,757,177 km (0.12 R)
• M5: 2,224,371 km (0.116 R)
• M6: 4,330,858 km (0.111 R)
• M7: 5,008,986 km (0.06 R)
• M8: 5,576,261 km (0.102 R)
• M9: 6,050,037 km (0.098 R)
• M10: 6,694,804 km (0.043 R)
• M11: 7,292,447 km (0.104 R)
• M12: 9,158,082 km (0.05 R)
• M13: 9,896,049 km (0.099 R)
• M14: 10,833,878 km (0.108 R)
• M15: 13,391,553 km (0.053 R)
• M16: 15,238,338 km (0.089 R)
• M17: 16,117,375 km (0.107 R)
• M18: 20,778,097 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.5

Radius: 10.2

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.66 AU - 3.88 AU

Year: 4881 Days

Day: 8.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,005,830 km

• M1: 127,009 km (0.086 R)
• M2: 516,561 km (0.111 R)
• M3: 847,472 km (0.12 R)
• M4: 1,481,767 km (0.088 R)
• M5: 2,281,068 km (0.1 R)
• M6: 2,896,664 km (0.041 R)
• M7: 3,470,072 km (0.111 R)
• M8: 3,954,321 km (0.104 R)
• M9: 4,508,431 km (0.114 R)
• M10: 5,308,032 km (0.084 R)
• M11: 6,075,170 km (0.109 R)
• M12: 6,780,523 km (0.053 R)
• M13: 7,719,849 km (0.099 R)
• M14: 8,202,002 km (0.025 R)
• M15: 10,027,994 km (0.099 R)
• M16: 10,692,807 km (0.118 R)
• M17: 11,433,915 km (0.117 R)
• M18: 12,012,111 km (0.093 R)
• M19: 12,967,143 km (0.086 R)
• M20: 13,809,978 km (0.081 R)
• M21: 14,465,815 km (0.092 R)
• M22: 16,196,213 km (0.12 R)
• M23: 16,619,127 km (0.109 R)
• M24: 19,448,022 km (0.113 R)
• M25: 19,788,657 km (0.117 R)
• M26: 20,834,196 km (0.115 R)
• M27: 21,769,931 km (0.082 R)
• M28: 24,270,609 km (0.091 R)
• M29: 25,549,521 km (0.066 R)
• M30: 27,380,599 km (0.057 R)
• M31: 28,854,288 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 12.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.01 AU - 5.21 AU

Year: 7703 Days

Day: 11.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,005,830 km

• M1: 154,235 km (0.092 R)
• M2: 725,101 km (0.114 R)
• M3: 1,225,356 km (0.107 R)
• M4: 1,955,543 km (0.099 R)
• M5: 2,897,860 km (0.043 R)
• M6: 3,302,373 km (0.118 R)
• M7: 3,917,819 km (0.105 R)
• M8: 5,347,825 km (0.102 R)
• M9: 6,514,239 km (0.119 R)
• M10: 9,164,665 km (0.084 R)
• M11: 9,855,209 km (0.116 R)
• M12: 10,580,010 km (0.067 R)
• M13: 12,299,937 km (0.092 R)
• M14: 12,743,644 km (0.076 R)
• M15: 15,187,475 km (0.079 R)
• M16: 16,687,642 km (0.08 R)
• M17: 18,141,584 km (0.088 R)
• M18: 19,230,657 km (0.11 R)
• M19: 23,940,746 km (0.075 R)
• M20: 25,073,202 km (0.085 R)
• M21: 27,257,330 km (0.091 R)
• M22: 28,012,800 km (0.076 R)
• M23: 30,665,768 km (0.096 R)
• M24: 32,524,971 km (0.034 R)
• M25: 35,452,900 km (0.109 R)
• M26: 36,353,180 km (0.037 R)
• M27: 40,838,723 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.8

Radius: 4.9

Gravity: 39.77 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.7 AU - 7.34 AU

Year: 9850 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,005,830 km

• M1: 61,036 km (0.065 R)
• M2: 269,725 km (0.092 R)
• M3: 565,330 km (0.074 R)
• M4: 730,636 km (0.091 R)
• M5: 1,024,147 km (0.086 R)
• M6: 1,668,914 km (0.1 R)
• M7: 2,742,727 km (0.061 R)
• M8: 5,147,513 km (0.118 R)
• M9: 5,522,854 km (0.108 R)
• M10: 6,960,939 km (0.096 R)
• M11: 10,934,707 km (0.082 R)
• M12: 11,326,354 km (0.111 R)
• M13: 12,137,623 km (0.046 R)
• M14: 12,436,520 km (0.085 R)
• M15: 13,236,719 km (0.084 R)
• M16: 14,533,882 km (0.057 R)
• M17: 19,822,466 km (0.119 R)
• M18: 20,070,499 km (0.114 R)
• M19: 24,044,118 km (0.104 R)
• M20: 26,363,633 km (0.043 R)
• M21: 40,487,168 km (0.076 R)
• M22: 44,036,078 km (0.042 R)
• M23: 47,638,993 km (0.078 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 14,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit