🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.8

Radius: 14.1

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.69 AU - 0.91 AU

Year: 503 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,252,825 km

• M1: 175,329 km (0.078 R)
• M2: 628,760 km (0.114 R)
• M3: 1,377,497 km (0.109 R)
• M4: 2,131,919 km (0.084 R)
• M5: 2,817,526 km (0.07 R)
• M6: 3,266,470 km (0.082 R)
• M7: 4,169,293 km (0.059 R)
• M8: 4,695,279 km (0.095 R)
• M9: 5,482,762 km (0.106 R)
• M10: 6,244,963 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.2

Radius: 10.6

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.92 AU - 0.94 AU

Year: 630 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,252,825 km

• M1: 134,189 km (0.096 R)
• M2: 472,879 km (0.101 R)
• M3: 841,189 km (0.064 R)
• M4: 1,402,330 km (0.056 R)
• M5: 1,894,507 km (0.115 R)
• M6: 2,258,778 km (0.038 R)
• M7: 2,594,476 km (0.117 R)
• M8: 2,963,983 km (0.093 R)
• M9: 3,342,914 km (0.109 R)
• M10: 4,350,605 km (0.068 R)
• M11: 5,899,990 km (0.093 R)
• M12: 6,463,526 km (0.065 R)
• M13: 7,408,685 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 11.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.9 AU - 1.4 AU

Year: 867 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,252,825 km

• M1: 147,055 km (0.105 R)
• M2: 712,535 km (0.058 R)
• M3: 1,095,505 km (0.038 R)
• M4: 2,971,911 km (0.093 R)
• M5: 4,183,355 km (0.052 R)
• M6: 5,500,714 km (0.103 R)
• M7: 6,053,029 km (0.076 R)
• M8: 6,621,950 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 14.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.38 AU - 1.76 AU

Year: 1383 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,252,825 km

• M1: 184,903 km (0.08 R)
• M2: 663,167 km (0.084 R)
• M3: 1,208,452 km (0.103 R)
• M4: 1,794,426 km (0.094 R)
• M5: 2,833,832 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 8.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.75 AU - 3.33 AU

Year: 3726 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,252,825 km

• M1: 102,475 km (0.069 R)
• M2: 376,687 km (0.09 R)
• M3: 992,133 km (0.116 R)
• M4: 1,742,815 km (0.104 R)
• M5: 2,906,088 km (0.107 R)
• M6: 5,814,121 km (0.078 R)
• M7: 7,164,840 km (0.069 R)
• M8: 8,354,891 km (0.043 R)
• M9: 11,436,159 km (0.052 R)
• M10: 12,165,299 km (0.086 R)
• M11: 12,668,546 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.8

Radius: 13.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.3 AU - 4.46 AU

Year: 6443 Days

Day: 6.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,252,825 km

• M1: 170,841 km (0.12 R)
• M2: 900,130 km (0.106 R)
• M3: 1,469,350 km (0.095 R)
• M4: 2,132,817 km (0.114 R)
• M5: 2,705,328 km (0.108 R)
• M6: 3,336,631 km (0.084 R)
• M7: 3,968,233 km (0.108 R)
• M8: 4,924,313 km (0.116 R)
• M9: 5,501,910 km (0.103 R)
• M10: 7,965,787 km (0.104 R)
• M11: 8,682,062 km (0.109 R)
• M12: 12,659,121 km (0.061 R)
• M13: 17,059,094 km (0.077 R)
• M14: 22,386,723 km (0.115 R)
• M15: 25,468,439 km (0.1 R)
• M16: 28,274,596 km (0.091 R)
• M17: 33,264,283 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.8

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.55 AU - 5.81 AU

Year: 7117 Days

Day: 10.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,252,825 km

• M1: 196,572 km (0.032 R)
• M2: 683,213 km (0.108 R)
• M3: 1,254,677 km (0.101 R)
• M4: 3,323,167 km (0.085 R)
• M5: 6,639,602 km (0.074 R)
• M6: 8,547,125 km (0.086 R)
• M7: 9,627,820 km (0.104 R)
• M8: 10,574,325 km (0.096 R)
• M9: 11,301,072 km (0.087 R)
• M10: 11,772,006 km (0.088 R)
• M11: 14,110,071 km (0.116 R)
• M12: 16,263,383 km (0.049 R)
• M13: 17,294,411 km (0.067 R)
• M14: 17,794,517 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.5

Radius: 5.8

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.04 AU - 7.54 AU

Year: 13836 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,252,825 km

• M1: 72,256 km (0.117 R)
• M2: 761,004 km (0.055 R)
• M3: 1,908,719 km (0.04 R)
• M4: 3,995,161 km (0.1 R)
• M5: 5,902,234 km (0.116 R)
• M6: 6,195,596 km (0.113 R)
• M7: 10,461,379 km (0.108 R)
• M8: 11,165,835 km (0.053 R)
• M9: 12,134,182 km (0.101 R)
• M10: 12,850,457 km (0.105 R)
• M11: 17,376,391 km (0.029 R)
• M12: 18,285,497 km (0.12 R)
• M13: 25,944,011 km (0.096 R)
• M14: 26,139,236 km (0.102 R)
• M15: 28,976,958 km (0.078 R)
• M16: 30,578,403 km (0.116 R)
• M17: 37,326,763 km (0.076 R)
• M18: 47,438,233 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.1

Radius: 6.1

Gravity: 22.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.46 AU - 11.24 AU

Year: 20097 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,252,825 km

• M1: 76,145 km (0.115 R)
• M2: 317,895 km (0.091 R)
• M3: 763,847 km (0.119 R)
• M4: 1,550,133 km (0.119 R)
• M5: 2,398,054 km (0.109 R)
• M6: 2,608,987 km (0.055 R)
• M7: 3,432,822 km (0.065 R)
• M8: 8,652,292 km (0.086 R)
• M9: 10,451,506 km (0.079 R)
• M10: 11,471,314 km (0.084 R)
• M11: 12,073,296 km (0.071 R)
• M12: 12,625,911 km (0.103 R)
• M13: 13,855,904 km (0.102 R)
• M14: 14,615,712 km (0.085 R)
• M15: 18,471,298 km (0.114 R)
• M16: 21,023,737 km (0.031 R)
• M17: 21,924,316 km (0.062 R)
• M18: 23,059,465 km (0.095 R)
• M19: 23,909,330 km (0.073 R)
• M20: 25,671,294 km (0.102 R)
• M21: 26,468,800 km (0.111 R)
• M22: 29,575,499 km (0.078 R)
• M23: 30,960,027 km (0.054 R)
• M24: 32,783,925 km (0.095 R)
• M25: 36,217,046 km (0.105 R)
• M26: 37,219,651 km (0.077 R)
• M27: 39,882,344 km (0.037 R)
• M28: 42,039,096 km (0.096 R)
• M29: 45,583,518 km (0.058 R)
• M30: 47,089,071 km (0.109 R)
• M31: 53,076,577 km (0.034 R)
• M32: 57,402,349 km (0.117 R)
• M33: 59,749,988 km (0.11 R)
• M34: 65,474,949 km (0.067 R)
• M35: 69,780,824 km (0.114 R)
• M36: 74,271,752 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.3

Radius: 5.4

Gravity: 26.11 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.69 AU - 11.29 AU

Year: 20550 Days

Day: 21.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,252,825 km

• M1: 67,319 km (0.044 R)
• M2: 277,953 km (0.086 R)
• M3: 566,677 km (0.072 R)
• M4: 1,260,811 km (0.117 R)
• M5: 1,476,531 km (0.073 R)
• M6: 2,364,694 km (0.058 R)
• M7: 2,573,383 km (0.107 R)
• M8: 3,505,078 km (0.041 R)
• M9: 4,161,813 km (0.027 R)
• M10: 4,934,336 km (0.083 R)
• M11: 5,965,664 km (0.079 R)
• M12: 7,325,509 km (0.117 R)
• M13: 7,872,139 km (0.118 R)
• M14: 9,385,920 km (0.097 R)
• M15: 10,455,545 km (0.069 R)
• M16: 11,604,157 km (0.073 R)
• M17: 12,004,930 km (0.092 R)
• M18: 14,376,505 km (0.109 R)
• M19: 15,470,813 km (0.045 R)
• M20: 17,560,995 km (0.12 R)
• M21: 17,736,024 km (0.109 R)
• M22: 23,541,918 km (0.115 R)
• M23: 26,066,831 km (0.106 R)
• M24: 28,044,963 km (0.116 R)
• M25: 29,747,537 km (0.044 R)
• M26: 30,877,749 km (0.084 R)
• M27: 32,297,582 km (0.073 R)
• M28: 33,625,562 km (0.098 R)
• M29: 36,674,516 km (0.06 R)
• M30: 37,104,161 km (0.082 R)
• M31: 37,682,058 km (0.071 R)
• M32: 42,052,859 km (0.103 R)
• M33: 47,763,459 km (0.045 R)
• M34: 48,104,542 km (0.115 R)
• M35: 51,964,466 km (0.107 R)
• M36: 54,339,781 km (0.046 R)
• M37: 56,405,279 km (0.066 R)
• M38: 79,294,501 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 11,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit