🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 14.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.44 AU - 0.7 AU

Year: 302 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,611,692 km

• M1: 184,005 km (0.099 R)
• M2: 656,136 km (0.117 R)
• M3: 1,397,095 km (0.076 R)
• M4: 2,551,092 km (0.075 R)
• M5: 3,022,625 km (0.086 R)
• M6: 3,782,283 km (0.067 R)
• M7: 4,789,825 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.1

Radius: 9.6

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.64 AU - 0.82 AU

Year: 438 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,611,692 km

• M1: 119,379 km (0.103 R)
• M2: 443,408 km (0.092 R)
• M3: 858,841 km (0.108 R)
• M4: 1,167,163 km (0.075 R)
• M5: 1,489,546 km (0.093 R)
• M6: 2,011,044 km (0.081 R)
• M7: 2,385,338 km (0.11 R)
• M8: 2,816,778 km (0.115 R)
• M9: 3,125,100 km (0.072 R)
• M10: 3,876,530 km (0.05 R)
• M11: 4,388,154 km (0.066 R)
• M12: 5,118,491 km (0.073 R)
• M13: 5,563,694 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 14.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.71 AU - 0.77 AU

Year: 447 Days

Day: 13.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,611,692 km

• M1: 185,352 km (0.106 R)
• M2: 822,489 km (0.058 R)
• M3: 1,348,625 km (0.073 R)
• M4: 2,183,381 km (0.096 R)
• M5: 2,724,776 km (0.115 R)
• M6: 3,285,319 km (0.116 R)
• M7: 4,166,899 km (0.1 R)
• M8: 4,641,872 km (0.091 R)
• M9: 5,315,661 km (0.111 R)
• M10: 5,788,839 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.2

Radius: 9.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.88 AU - 1.14 AU

Year: 713 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,611,692 km

• M1: 113,096 km (0.114 R)
• M2: 400,473 km (0.041 R)
• M3: 749,485 km (0.052 R)
• M4: 1,055,263 km (0.086 R)
• M5: 1,501,963 km (0.056 R)
• M6: 1,831,377 km (0.064 R)
• M7: 2,237,236 km (0.07 R)
• M8: 2,543,912 km (0.098 R)
• M9: 2,845,202 km (0.053 R)
• M10: 4,403,563 km (0.068 R)
• M11: 5,003,750 km (0.095 R)
• M12: 5,375,351 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 12.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.44 AU - 1.92 AU

Year: 1531 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,611,692 km

• M1: 156,779 km (0.106 R)
• M2: 637,137 km (0.094 R)
• M3: 1,260,063 km (0.072 R)
• M4: 1,684,771 km (0.103 R)
• M5: 2,133,116 km (0.086 R)
• M6: 3,124,352 km (0.075 R)
• M7: 3,968,383 km (0.087 R)
• M8: 4,665,509 km (0.094 R)
• M9: 5,304,292 km (0.036 R)
• M10: 5,831,475 km (0.113 R)
• M11: 7,110,836 km (0.103 R)
• M12: 10,279,767 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 8.2

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.4 AU - 3.86 AU

Year: 4861 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,611,692 km

• M1: 102,026 km (0.111 R)
• M2: 360,232 km (0.119 R)
• M3: 723,306 km (0.051 R)
• M4: 1,326,335 km (0.071 R)
• M5: 1,717,234 km (0.12 R)
• M6: 2,107,984 km (0.078 R)
• M7: 2,878,413 km (0.116 R)
• M8: 3,757,001 km (0.115 R)
• M9: 4,173,930 km (0.048 R)
• M10: 5,524,649 km (0.075 R)
• M11: 6,252,144 km (0.062 R)
• M12: 6,905,887 km (0.113 R)
• M13: 11,627,046 km (0.091 R)
• M14: 12,015,402 km (0.03 R)
• M15: 13,232,979 km (0.057 R)
• M16: 13,817,757 km (0.085 R)
• M17: 15,499,985 km (0.083 R)
• M18: 18,143,080 km (0.067 R)
• M19: 19,673,466 km (0.077 R)
• M20: 20,858,581 km (0.086 R)
• M21: 21,432,438 km (0.095 R)
• M22: 26,242,758 km (0.091 R)
• M23: 28,109,290 km (0.064 R)
• M24: 28,721,295 km (0.048 R)
• M25: 29,881,427 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.12 AU - 4.4 AU

Year: 5125 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,611,692 km

• M1: 99,483 km (0.107 R)
• M2: 557,551 km (0.117 R)
• M3: 1,284,298 km (0.074 R)
• M4: 2,101,700 km (0.098 R)
• M5: 2,747,514 km (0.106 R)
• M6: 3,026,066 km (0.103 R)
• M7: 3,579,428 km (0.119 R)
• M8: 4,689,893 km (0.071 R)
• M9: 5,297,859 km (0.034 R)
• M10: 5,843,592 km (0.115 R)
• M11: 10,098,754 km (0.086 R)
• M12: 12,004,182 km (0.085 R)
• M13: 12,281,387 km (0.071 R)
• M14: 17,378,186 km (0.116 R)
• M15: 17,673,642 km (0.098 R)
• M16: 18,765,407 km (0.091 R)
• M17: 20,030,556 km (0.067 R)
• M18: 21,284,037 km (0.092 R)
• M19: 22,310,129 km (0.082 R)
• M20: 24,165,890 km (0.114 R)
• M21: 24,534,350 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.6

Radius: 8.3

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.13 AU - 4.59 AU

Year: 5331 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,611,692 km

• M1: 119,230 km (0.1 R)
• M2: 541,544 km (0.06 R)
• M3: 1,039,855 km (0.044 R)
• M4: 1,326,784 km (0.048 R)
• M5: 2,780,725 km (0.109 R)
• M6: 3,403,651 km (0.104 R)
• M7: 4,185,898 km (0.107 R)
• M8: 5,189,849 km (0.058 R)
• M9: 5,576,709 km (0.109 R)
• M10: 5,894,156 km (0.065 R)
• M11: 6,724,574 km (0.112 R)
• M12: 7,526,418 km (0.042 R)
• M13: 8,807,874 km (0.066 R)
• M14: 9,359,142 km (0.032 R)
• M15: 9,684,368 km (0.07 R)
• M16: 10,617,858 km (0.104 R)
• M17: 11,471,165 km (0.115 R)
• M18: 12,176,519 km (0.043 R)
• M19: 13,212,185 km (0.093 R)
• M20: 13,570,172 km (0.046 R)
• M21: 13,882,234 km (0.087 R)
• M22: 14,901,743 km (0.082 R)
• M23: 15,741,436 km (0.086 R)
• M24: 18,961,381 km (0.097 R)
• M25: 20,215,160 km (0.074 R)
• M26: 21,313,209 km (0.056 R)
• M27: 21,664,315 km (0.104 R)
• M28: 21,948,102 km (0.041 R)
• M29: 23,702,586 km (0.044 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 11.3

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.96 AU - 5.06 AU

Year: 6732 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,611,692 km

• M1: 142,268 km (0.086 R)
• M2: 501,901 km (0.091 R)
• M3: 858,542 km (0.109 R)
• M4: 1,226,104 km (0.088 R)
• M5: 2,085,245 km (0.087 R)
• M6: 2,752,002 km (0.075 R)
• M7: 3,178,656 km (0.028 R)
• M8: 3,914,079 km (0.1 R)
• M9: 5,595,858 km (0.114 R)
• M10: 6,149,669 km (0.073 R)
• M11: 8,954,480 km (0.116 R)
• M12: 10,274,531 km (0.107 R)
• M13: 11,877,173 km (0.117 R)
• M14: 12,848,812 km (0.065 R)
• M15: 17,474,228 km (0.117 R)
• M16: 18,305,095 km (0.05 R)
• M17: 18,873,417 km (0.105 R)
• M18: 19,307,400 km (0.097 R)
• M19: 22,453,294 km (0.08 R)
• M20: 26,733,588 km (0.107 R)
• M21: 28,778,292 km (0.078 R)
• M22: 31,226,012 km (0.091 R)
• M23: 34,450,146 km (0.105 R)
• M24: 37,775,407 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.8

Radius: 6.2

Gravity: 23.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.31 AU - 9.07 AU

Year: 18007 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,611,692 km

• M1: 78,838 km (0.061 R)
• M2: 308,620 km (0.119 R)
• M3: 536,907 km (0.033 R)
• M4: 735,274 km (0.089 R)
• M5: 1,008,290 km (0.05 R)
• M6: 1,672,055 km (0.037 R)
• M7: 2,364,694 km (0.049 R)
• M8: 2,914,466 km (0.089 R)
• M9: 3,604,860 km (0.079 R)
• M10: 4,036,450 km (0.083 R)
• M11: 5,821,452 km (0.111 R)
• M12: 6,071,280 km (0.119 R)
• M13: 6,772,296 km (0.102 R)
• M14: 7,002,078 km (0.058 R)
• M15: 7,973,866 km (0.12 R)
• M16: 9,595,507 km (0.106 R)
• M17: 10,422,783 km (0.098 R)
• M18: 11,883,606 km (0.084 R)
• M19: 15,441,043 km (0.096 R)
• M20: 16,082,220 km (0.07 R)
• M21: 16,741,049 km (0.061 R)
• M22: 18,200,376 km (0.116 R)
• M23: 19,280,323 km (0.08 R)
• M24: 19,742,730 km (0.094 R)
• M25: 21,174,083 km (0.12 R)
• M26: 21,666,260 km (0.086 R)
• M27: 22,368,023 km (0.112 R)
• M28: 23,816,729 km (0.114 R)
• M29: 28,776,198 km (0.057 R)
• M30: 31,879,605 km (0.116 R)
• M31: 32,137,213 km (0.075 R)
• M32: 37,870,851 km (0.118 R)
• M33: 38,595,802 km (0.084 R)
• M34: 39,923,932 km (0.068 R)
• M35: 41,282,131 km (0.096 R)
• M36: 46,032,162 km (0.041 R)
• M37: 46,857,643 km (0.091 R)
• M38: 48,708,468 km (0.058 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: 487 - 12,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit