🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 13.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,234,691 km

• M1: 162,912 km (0.108 R)
• M2: 664,215 km (0.096 R)
• M3: 1,275,771 km (0.106 R)
• M4: 1,709,604 km (0.031 R)
• M5: 2,160,792 km (0.084 R)
• M6: 3,191,222 km (0.092 R)
• M7: 3,773,905 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 9.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.61 AU - 0.83 AU

Year: 407 Days

Day: 8.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 87,234,691 km

• M1: 122,072 km (0.11 R)
• M2: 451,486 km (0.085 R)
• M3: 1,151,305 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 10.2

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,234,691 km

• M1: 128,056 km (0.092 R)
• M2: 458,517 km (0.073 R)
• M3: 801,994 km (0.069 R)
• M4: 1,128,716 km (0.07 R)
• M5: 1,470,248 km (0.102 R)
• M6: 1,881,792 km (0.115 R)
• M7: 2,522,968 km (0.068 R)
• M8: 3,194,064 km (0.114 R)
• M9: 3,648,842 km (0.111 R)
• M10: 4,385,013 km (0.115 R)
• M11: 5,081,540 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 11.8

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.76 AU - 1.12 AU

Year: 608 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,234,691 km

• M1: 146,756 km (0.119 R)
• M2: 514,766 km (0.077 R)
• M3: 1,080,994 km (0.082 R)
• M4: 1,522,158 km (0.101 R)
• M5: 2,217,938 km (0.091 R)
• M6: 2,993,154 km (0.051 R)
• M7: 4,119,776 km (0.1 R)
• M8: 4,771,873 km (0.103 R)
• M9: 5,327,779 km (0.026 R)
• M10: 6,222,224 km (0.094 R)
• M11: 8,043,130 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.5

Radius: 11.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.91 AU - 1.09 AU

Year: 667 Days

Day: 14.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,234,691 km

• M1: 140,622 km (0.057 R)
• M2: 559,346 km (0.039 R)
• M3: 927,507 km (0.103 R)
• M4: 1,565,243 km (0.086 R)
• M5: 2,041,113 km (0.119 R)
• M6: 2,529,401 km (0.093 R)
• M7: 2,908,781 km (0.119 R)
• M8: 3,582,869 km (0.06 R)
• M9: 4,557,200 km (0.029 R)
• M10: 5,089,918 km (0.057 R)
• M11: 5,467,802 km (0.098 R)
• M12: 5,920,037 km (0.117 R)
• M13: 6,416,851 km (0.079 R)
• M14: 6,961,986 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 14.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.41 AU - 3.21 AU

Year: 3141 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,234,691 km

• M1: 179,069 km (0.085 R)
• M2: 730,786 km (0.073 R)
• M3: 1,614,610 km (0.115 R)
• M4: 3,042,671 km (0.086 R)
• M5: 4,039,292 km (0.092 R)
• M6: 4,944,658 km (0.097 R)
• M7: 6,295,677 km (0.093 R)
• M8: 7,513,703 km (0.114 R)
• M9: 9,970,698 km (0.077 R)
• M10: 11,342,211 km (0.078 R)
• M11: 13,766,146 km (0.101 R)
• M12: 16,620,623 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 13.3

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.87 AU - 3.95 AU

Year: 5156 Days

Day: 6.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,234,691 km

• M1: 165,455 km (0.083 R)
• M2: 591,660 km (0.096 R)
• M3: 1,156,840 km (0.039 R)
• M4: 1,827,338 km (0.111 R)
• M5: 2,676,306 km (0.032 R)
• M6: 3,641,063 km (0.105 R)
• M7: 4,463,701 km (0.109 R)
• M8: 5,640,139 km (0.079 R)
• M9: 7,578,329 km (0.09 R)
• M10: 8,482,050 km (0.113 R)
• M11: 9,883,782 km (0.086 R)
• M12: 11,386,941 km (0.072 R)
• M13: 13,568,078 km (0.106 R)
• M14: 14,390,717 km (0.099 R)
• M15: 15,188,223 km (0.085 R)
• M16: 15,656,913 km (0.069 R)
• M17: 16,195,914 km (0.092 R)
• M18: 17,121,775 km (0.093 R)
• M19: 19,419,150 km (0.072 R)
• M20: 22,213,339 km (0.113 R)
• M21: 23,356,267 km (0.105 R)
• M22: 23,824,209 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.9

Radius: 5.1

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.8 AU - 7.82 AU

Year: 11851 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,234,691 km

• M1: 63,429 km (0.093 R)
• M2: 283,787 km (0.111 R)
• M3: 461,809 km (0.08 R)
• M4: 652,546 km (0.052 R)
• M5: 857,794 km (0.094 R)
• M6: 2,712,957 km (0.078 R)
• M7: 3,856,035 km (0.044 R)
• M8: 6,306,597 km (0.11 R)
• M9: 6,532,640 km (0.105 R)
• M10: 6,725,172 km (0.092 R)
• M11: 6,961,238 km (0.108 R)
• M12: 7,243,529 km (0.046 R)
• M13: 9,292,721 km (0.118 R)
• M14: 10,344,992 km (0.096 R)
• M15: 12,565,174 km (0.117 R)
• M16: 14,103,040 km (0.097 R)
• M17: 14,686,173 km (0.041 R)
• M18: 16,817,942 km (0.086 R)
• M19: 20,185,241 km (0.072 R)
• M20: 29,872,750 km (0.101 R)
• M21: 30,403,673 km (0.057 R)
• M22: 30,617,897 km (0.11 R)
• M23: 32,590,943 km (0.114 R)
• M24: 43,195,188 km (0.116 R)
• M25: 44,698,049 km (0.092 R)
• M26: 47,088,772 km (0.078 R)
• M27: 48,973,406 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.6

Radius: 4.2

Gravity: 27.7 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.4 AU - 7.36 AU

Year: 12034 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,234,691 km

• M1: 55,800 km (0.065 R)
• M2: 232,475 km (0.112 R)
• M3: 799,451 km (0.11 R)
• M4: 3,363,708 km (0.077 R)
• M5: 3,820,580 km (0.064 R)
• M6: 4,702,310 km (0.1 R)
• M7: 5,472,290 km (0.102 R)
• M8: 7,056,083 km (0.109 R)
• M9: 8,061,231 km (0.092 R)
• M10: 9,692,745 km (0.077 R)
• M11: 11,421,049 km (0.116 R)
• M12: 12,621,872 km (0.069 R)
• M13: 13,406,064 km (0.066 R)
• M14: 13,778,712 km (0.067 R)
• M15: 13,967,504 km (0.076 R)
• M16: 16,091,345 km (0.071 R)
• M17: 20,635,530 km (0.075 R)
• M18: 21,551,967 km (0.025 R)
• M19: 23,021,317 km (0.097 R)
• M20: 23,916,212 km (0.084 R)
• M21: 24,464,039 km (0.033 R)
• M22: 28,535,644 km (0.104 R)
• M23: 31,596,267 km (0.093 R)
• M24: 38,235,869 km (0.106 R)
• M25: 39,742,918 km (0.04 R)
• M26: 44,363,997 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717

Radius: 5.2

Gravity: 26.52 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 10.17 AU - 11.63 AU

Year: 23998 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,234,691 km

• M1: 67,768 km (0.11 R)
• M2: 492,925 km (0.098 R)
• M3: 731,085 km (0.098 R)
• M4: 980,315 km (0.081 R)
• M5: 1,315,414 km (0.083 R)
• M6: 1,705,266 km (0.07 R)
• M7: 2,190,711 km (0.11 R)
• M8: 4,552,114 km (0.085 R)
• M9: 5,518,965 km (0.117 R)
• M10: 5,898,345 km (0.045 R)
• M11: 6,431,063 km (0.104 R)
• M12: 6,995,346 km (0.085 R)
• M13: 8,549,518 km (0.048 R)
• M14: 9,289,280 km (0.086 R)
• M15: 9,644,874 km (0.08 R)
• M16: 12,392,388 km (0.105 R)
• M17: 12,895,935 km (0.119 R)
• M18: 16,293,003 km (0.074 R)
• M19: 20,242,387 km (0.113 R)
• M20: 21,346,419 km (0.058 R)
• M21: 21,551,368 km (0.034 R)
• M22: 25,239,854 km (0.084 R)
• M23: 29,454,325 km (0.074 R)
• M24: 31,395,806 km (0.086 R)
• M25: 39,397,347 km (0.098 R)
• M26: 40,640,954 km (0.103 R)
• M27: 41,750,372 km (0.104 R)
• M28: 43,206,259 km (0.085 R)
• M29: 49,727,379 km (0.107 R)
• M30: 51,915,398 km (0.069 R)
• M31: 55,123,823 km (0.063 R)
• M32: 59,266,338 km (0.084 R)
• M33: 60,486,907 km (0.043 R)
• M34: 61,516,888 km (0.091 R)
• M35: 67,061,434 km (0.101 R)
• M36: 67,281,044 km (0.057 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: 374 - 10,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit