🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 10.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.76 AU - 1.1 AU

Year: 598 Days

Day: 10.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 141.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,692,658 km

• M1: 126,859 km (0.12 R)
• M2: 765,941 km (0.113 R)
• M3: 1,239,718 km (0.096 R)
• M4: 1,811,032 km (0.109 R)
• M5: 2,974,903 km (0.087 R)
• M6: 3,457,356 km (0.082 R)
• M7: 3,835,241 km (0.085 R)
• M8: 4,215,070 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.3

Radius: 14.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.22 AU - 1.22 AU

Year: 899 Days

Day: 10.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,692,658 km

• M1: 182,809 km (0.107 R)
• M2: 746,942 km (0.093 R)
• M3: 1,491,940 km (0.101 R)
• M4: 2,367,536 km (0.115 R)
• M5: 3,044,765 km (0.113 R)
• M6: 3,513,904 km (0.069 R)
• M7: 4,461,457 km (0.107 R)
• M8: 4,954,681 km (0.052 R)
• M9: 6,147,126 km (0.105 R)
• M10: 6,987,417 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 13.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.46 AU - 2.3 AU

Year: 1719 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,692,658 km

• M1: 165,605 km (0.052 R)
• M2: 596,896 km (0.093 R)
• M3: 1,064,090 km (0.047 R)
• M4: 1,651,560 km (0.09 R)
• M5: 2,491,702 km (0.08 R)
• M6: 3,134,823 km (0.116 R)
• M7: 3,868,601 km (0.11 R)
• M8: 4,568,569 km (0.057 R)
• M9: 5,036,811 km (0.106 R)
• M10: 6,171,511 km (0.096 R)
• M11: 6,718,740 km (0.066 R)
• M12: 7,383,852 km (0.093 R)
• M13: 8,122,865 km (0.076 R)
• M14: 10,134,059 km (0.109 R)
• M15: 11,505,123 km (0.113 R)
• M16: 12,829,364 km (0.092 R)
• M17: 13,636,444 km (0.06 R)
• M18: 15,352,332 km (0.112 R)
• M19: 16,019,389 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.1

Radius: 14.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.83 AU - 3.71 AU

Year: 3943 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,692,658 km

• M1: 175,478 km (0.06 R)
• M2: 745,596 km (0.088 R)
• M3: 1,672,355 km (0.106 R)
• M4: 2,718,044 km (0.094 R)
• M5: 3,202,591 km (0.097 R)
• M6: 3,983,343 km (0.089 R)
• M7: 6,043,455 km (0.115 R)
• M8: 6,622,698 km (0.1 R)
• M9: 7,407,339 km (0.073 R)
• M10: 8,144,108 km (0.075 R)
• M11: 9,400,132 km (0.109 R)
• M12: 10,737,836 km (0.072 R)
• M13: 12,104,113 km (0.092 R)
• M14: 13,379,435 km (0.106 R)
• M15: 14,742,571 km (0.116 R)
• M16: 16,662,360 km (0.098 R)
• M17: 22,614,261 km (0.114 R)
• M18: 24,316,835 km (0.095 R)
• M19: 25,316,298 km (0.117 R)
• M20: 26,503,208 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933

Radius: 7.5

Gravity: 16.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.8 AU - 6.46 AU

Year: 10121 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,692,658 km

• M1: 93,349 km (0.12 R)
• M2: 420,968 km (0.117 R)
• M3: 710,440 km (0.101 R)
• M4: 1,157,439 km (0.084 R)
• M5: 1,451,997 km (0.107 R)
• M6: 2,014,784 km (0.087 R)
• M7: 3,464,088 km (0.048 R)
• M8: 4,111,398 km (0.092 R)
• M9: 4,494,369 km (0.105 R)
• M10: 6,816,876 km (0.075 R)
• M11: 7,611,240 km (0.114 R)
• M12: 8,189,287 km (0.055 R)
• M13: 11,700,049 km (0.06 R)
• M14: 12,110,247 km (0.108 R)
• M15: 16,174,223 km (0.093 R)
• M16: 18,119,892 km (0.092 R)
• M17: 24,693,522 km (0.1 R)
• M18: 27,263,614 km (0.086 R)
• M19: 31,109,176 km (0.109 R)
• M20: 33,394,583 km (0.056 R)
• M21: 35,544,903 km (0.064 R)
• M22: 37,406,050 km (0.068 R)
• M23: 40,119,456 km (0.111 R)
• M24: 40,517,536 km (0.062 R)
• M25: 44,078,414 km (0.097 R)
• M26: 44,502,225 km (0.096 R)
• M27: 45,071,594 km (0.103 R)
• M28: 45,645,751 km (0.103 R)
• M29: 47,991,296 km (0.104 R)
• M30: 51,658,688 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.6

Radius: 5.6

Gravity: 22.82 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.58 AU - 6.88 AU

Year: 10370 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,692,658 km

• M1: 69,713 km (0.113 R)
• M2: 254,915 km (0.084 R)
• M3: 432,936 km (0.12 R)
• M4: 1,245,851 km (0.084 R)
• M5: 1,809,386 km (0.098 R)
• M6: 2,799,874 km (0.098 R)
• M7: 3,970,776 km (0.092 R)
• M8: 4,165,403 km (0.067 R)
• M9: 4,634,093 km (0.078 R)
• M10: 5,469,897 km (0.078 R)
• M11: 6,439,889 km (0.075 R)
• M12: 6,787,255 km (0.092 R)
• M13: 7,435,613 km (0.086 R)
• M14: 8,854,848 km (0.101 R)
• M15: 10,550,839 km (0.115 R)
• M16: 11,700,199 km (0.081 R)
• M17: 15,236,842 km (0.106 R)
• M18: 16,629,599 km (0.107 R)
• M19: 20,314,493 km (0.113 R)
• M20: 21,145,210 km (0.107 R)
• M21: 21,912,049 km (0.102 R)
• M22: 22,346,032 km (0.09 R)
• M23: 24,047,409 km (0.096 R)
• M24: 26,317,557 km (0.118 R)
• M25: 28,417,761 km (0.11 R)
• M26: 29,772,370 km (0.078 R)
• M27: 33,747,484 km (0.092 R)
• M28: 34,093,804 km (0.066 R)
• M29: 35,029,239 km (0.094 R)
• M30: 42,060,638 km (0.042 R)
• M31: 44,783,469 km (0.101 R)
• M32: 46,330,161 km (0.054 R)
• M33: 46,614,996 km (0.099 R)
• M34: 48,349,433 km (0.074 R)
• M35: 49,827,311 km (0.096 R)

Asteroid Belt

Center: 7.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.7

Radius: 8

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.32 AU - 10.62 AU

Year: 17915 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,692,658 km

• M1: 99,483 km (0.075 R)
• M2: 360,830 km (0.116 R)
• M3: 865,723 km (0.097 R)
• M4: 1,300,305 km (0.096 R)
• M5: 2,309,941 km (0.113 R)
• M6: 2,835,029 km (0.063 R)
• M7: 4,275,358 km (0.116 R)
• M8: 5,351,265 km (0.091 R)
• M9: 6,189,014 km (0.113 R)
• M10: 7,199,697 km (0.068 R)
• M11: 7,932,128 km (0.111 R)
• M12: 8,662,913 km (0.104 R)
• M13: 8,916,183 km (0.054 R)
• M14: 11,729,670 km (0.09 R)
• M15: 13,471,438 km (0.073 R)
• M16: 13,880,738 km (0.073 R)
• M17: 15,826,258 km (0.104 R)
• M18: 21,703,509 km (0.117 R)
• M19: 22,266,297 km (0.069 R)
• M20: 23,913,519 km (0.084 R)
• M21: 26,375,301 km (0.117 R)
• M22: 31,556,474 km (0.1 R)
• M23: 32,521,829 km (0.117 R)
• M24: 33,011,912 km (0.084 R)
• M25: 34,258,511 km (0.11 R)
• M26: 39,143,928 km (0.108 R)
• M27: 40,823,015 km (0.103 R)
• M28: 45,229,869 km (0.072 R)
• M29: 45,687,339 km (0.098 R)
• M30: 47,078,001 km (0.094 R)
• M31: 51,751,139 km (0.038 R)
• M32: 54,974,974 km (0.063 R)
• M33: 55,321,891 km (0.119 R)
• M34: 56,901,196 km (0.043 R)
• M35: 60,702,926 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.7

Radius: 4.1

Gravity: 29.37 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.59 AU - 9.85 AU

Year: 20208 Days

Day: 16.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,692,658 km

• M1: 51,162 km (0.082 R)
• M2: 188,344 km (0.025 R)
• M3: 353,799 km (0.112 R)
• M4: 714,330 km (0.057 R)
• M5: 1,271,432 km (0.111 R)
• M6: 1,885,831 km (0.073 R)
• M7: 2,115,763 km (0.093 R)
• M8: 2,364,095 km (0.077 R)
• M9: 3,817,438 km (0.073 R)
• M10: 3,998,751 km (0.114 R)
• M11: 4,477,015 km (0.095 R)
• M12: 5,779,415 km (0.103 R)
• M13: 6,776,036 km (0.111 R)
• M14: 7,361,113 km (0.12 R)
• M15: 7,881,863 km (0.101 R)
• M16: 8,225,938 km (0.115 R)
• M17: 9,318,003 km (0.102 R)
• M18: 10,328,087 km (0.056 R)
• M19: 15,631,332 km (0.08 R)
• M20: 16,331,151 km (0.1 R)
• M21: 17,793,171 km (0.106 R)
• M22: 18,470,101 km (0.081 R)
• M23: 20,603,516 km (0.058 R)
• M24: 21,067,868 km (0.061 R)
• M25: 21,539,101 km (0.033 R)
• M26: 22,307,586 km (0.049 R)
• M27: 24,514,902 km (0.078 R)
• M28: 28,433,918 km (0.06 R)
• M29: 31,879,157 km (0.1 R)
• M30: 36,126,091 km (0.091 R)
• M31: 39,299,361 km (0.071 R)
• M32: 39,869,628 km (0.113 R)
• M33: 40,735,201 km (0.098 R)
• M34: 45,878,077 km (0.062 R)
• M35: 54,730,830 km (0.117 R)
• M36: 55,799,407 km (0.025 R)
• M37: 57,063,659 km (0.103 R)
• M38: 59,088,616 km (0.059 R)
• M39: 60,591,177 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 17,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit