🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 11.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.64 AU - 2.08 AU

Year: 1751 Days

Day: 13.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,137,157 km

• M1: 146,756 km (0.067 R)
• M2: 765,044 km (0.05 R)
• M3: 1,674,599 km (0.065 R)
• M4: 2,110,676 km (0.115 R)
• M5: 4,396,532 km (0.097 R)
• M6: 5,093,508 km (0.113 R)
• M7: 6,257,081 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 11.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.57 AU - 2.47 AU

Year: 1982 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,137,157 km

• M1: 140,472 km (0.096 R)
• M2: 520,301 km (0.07 R)
• M3: 966,253 km (0.104 R)
• M4: 1,720,226 km (0.111 R)
• M5: 2,421,840 km (0.026 R)
• M6: 3,337,977 km (0.108 R)
• M7: 3,884,907 km (0.098 R)
• M8: 4,451,434 km (0.081 R)
• M9: 5,115,649 km (0.104 R)
• M10: 6,209,808 km (0.086 R)
• M11: 7,538,536 km (0.075 R)
• M12: 8,793,961 km (0.064 R)
• M13: 10,288,743 km (0.106 R)
• M14: 12,456,566 km (0.106 R)
• M15: 13,270,229 km (0.097 R)
• M16: 14,118,897 km (0.111 R)
• M17: 14,913,262 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 8.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.72 AU - 3.84 AU

Year: 4100 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,137,157 km

• M1: 105,766 km (0.091 R)
• M2: 762,949 km (0.107 R)
• M3: 1,179,430 km (0.081 R)
• M4: 1,584,241 km (0.12 R)
• M5: 2,154,957 km (0.05 R)
• M6: 5,176,386 km (0.099 R)
• M7: 6,240,326 km (0.072 R)
• M8: 8,115,684 km (0.091 R)
• M9: 8,596,791 km (0.109 R)
• M10: 10,045,647 km (0.117 R)
• M11: 10,450,608 km (0.092 R)
• M12: 11,332,487 km (0.116 R)
• M13: 12,262,986 km (0.1 R)
• M14: 13,596,801 km (0.069 R)
• M15: 14,882,295 km (0.063 R)
• M16: 15,408,880 km (0.08 R)
• M17: 17,167,104 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.4

Radius: 11.2

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.11 AU - 4.49 AU

Year: 5113 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,137,157 km

• M1: 236,065 km (0.103 R)
• M2: 1,685,519 km (0.061 R)
• M3: 2,506,512 km (0.033 R)
• M4: 2,999,737 km (0.056 R)
• M5: 3,576,287 km (0.074 R)
• M6: 4,268,626 km (0.053 R)
• M7: 4,880,331 km (0.068 R)
• M8: 9,399,085 km (0.086 R)
• M9: 10,676,052 km (0.105 R)
• M10: 11,335,180 km (0.12 R)
• M11: 12,963,703 km (0.062 R)
• M12: 14,543,157 km (0.047 R)
• M13: 15,769,860 km (0.095 R)
• M14: 17,230,832 km (0.1 R)
• M15: 18,721,276 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 9.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.99 AU - 5.97 AU

Year: 8855 Days

Day: 10.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,137,157 km

• M1: 123,867 km (0.102 R)
• M2: 590,313 km (0.114 R)
• M3: 1,142,329 km (0.088 R)
• M4: 2,180,539 km (0.039 R)
• M5: 2,645,638 km (0.107 R)
• M6: 4,377,832 km (0.044 R)
• M7: 5,386,571 km (0.113 R)
• M8: 6,450,959 km (0.116 R)
• M9: 6,920,397 km (0.07 R)
• M10: 7,684,244 km (0.031 R)
• M11: 8,356,836 km (0.034 R)
• M12: 8,763,742 km (0.074 R)
• M13: 13,593,510 km (0.088 R)
• M14: 17,271,074 km (0.088 R)
• M15: 17,569,522 km (0.062 R)
• M16: 19,691,568 km (0.028 R)
• M17: 21,770,529 km (0.096 R)
• M18: 24,814,696 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.6

Radius: 4.5

Gravity: 30.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.16 AU - 9.22 AU

Year: 14720 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,137,157 km

• M1: 56,249 km (0.046 R)
• M2: 219,759 km (0.103 R)
• M3: 700,417 km (0.095 R)
• M4: 912,697 km (0.101 R)
• M5: 2,550,494 km (0.099 R)
• M6: 3,848,256 km (0.053 R)
• M7: 4,081,030 km (0.099 R)
• M8: 4,292,262 km (0.117 R)
• M9: 4,869,261 km (0.087 R)
• M10: 6,136,505 km (0.059 R)
• M11: 9,147,012 km (0.049 R)
• M12: 9,352,859 km (0.103 R)
• M13: 11,764,975 km (0.056 R)
• M14: 12,695,474 km (0.114 R)
• M15: 13,342,335 km (0.07 R)
• M16: 14,842,502 km (0.097 R)
• M17: 15,927,685 km (0.116 R)
• M18: 22,713,146 km (0.027 R)
• M19: 23,472,504 km (0.081 R)
• M20: 35,441,531 km (0.069 R)
• M21: 41,860,925 km (0.108 R)
• M22: 47,460,672 km (0.106 R)
• M23: 48,856,421 km (0.112 R)
• M24: 49,960,752 km (0.068 R)
• M25: 50,920,422 km (0.095 R)
• M26: 52,218,932 km (0.037 R)
• M27: 56,764,613 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.5

Radius: 4.1

Gravity: 30.79 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.98 AU - 10.66 AU

Year: 21241 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,137,157 km

• M1: 51,013 km (0.047 R)
• M2: 330,013 km (0.09 R)
• M3: 485,595 km (0.062 R)
• M4: 619,036 km (0.115 R)
• M5: 861,235 km (0.091 R)
• M6: 1,246,300 km (0.082 R)
• M7: 1,719,777 km (0.06 R)
• M8: 1,901,539 km (0.095 R)
• M9: 2,198,490 km (0.093 R)
• M10: 2,618,112 km (0.105 R)
• M11: 2,834,580 km (0.082 R)
• M12: 3,499,094 km (0.05 R)
• M13: 3,913,630 km (0.075 R)
• M14: 5,862,741 km (0.067 R)
• M15: 6,796,530 km (0.116 R)
• M16: 13,541,898 km (0.061 R)
• M17: 14,855,966 km (0.114 R)
• M18: 16,014,153 km (0.118 R)
• M19: 18,771,391 km (0.116 R)
• M20: 19,394,317 km (0.081 R)
• M21: 21,441,863 km (0.113 R)
• M22: 21,926,560 km (0.114 R)
• M23: 23,424,334 km (0.087 R)
• M24: 27,294,730 km (0.091 R)
• M25: 29,380,573 km (0.075 R)
• M26: 31,820,215 km (0.071 R)
• M27: 36,959,052 km (0.1 R)
• M28: 47,030,579 km (0.081 R)
• M29: 47,519,913 km (0.109 R)
• M30: 48,508,905 km (0.057 R)
• M31: 50,187,393 km (0.028 R)
• M32: 56,366,832 km (0.067 R)
• M33: 58,408,843 km (0.061 R)
• M34: 61,078,417 km (0.081 R)
• M35: 63,034,260 km (0.11 R)
• M36: 65,233,498 km (0.104 R)
• M37: 66,659,315 km (0.099 R)
• M38: 68,732,143 km (0.116 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: 308 - 18,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit