🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

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: 473.1

Radius: 8.8

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 6.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 149.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,557,455 km

• M1: 109,506 km (0.115 R)
• M2: 519,553 km (0.055 R)
• M3: 864,526 km (0.107 R)
• M4: 1,206,656 km (0.101 R)
• M5: 1,768,995 km (0.055 R)
• M6: 2,480,482 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 13.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.89 AU - 1.99 AU

Year: 1802 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,557,455 km

• M1: 169,195 km (0.053 R)
• M2: 979,268 km (0.072 R)
• M3: 1,555,818 km (0.118 R)
• M4: 2,112,621 km (0.074 R)
• M5: 2,962,337 km (0.107 R)
• M6: 3,705,838 km (0.099 R)
• M7: 4,530,721 km (0.065 R)
• M8: 4,965,752 km (0.067 R)
• M9: 5,730,197 km (0.066 R)
• M10: 6,728,463 km (0.078 R)
• M11: 7,159,006 km (0.095 R)
• M12: 8,256,306 km (0.099 R)
• M13: 8,941,016 km (0.071 R)
• M14: 11,187,976 km (0.104 R)
• M15: 11,640,659 km (0.042 R)
• M16: 12,502,642 km (0.046 R)
• M17: 13,448,849 km (0.087 R)
• M18: 13,874,903 km (0.039 R)
• M19: 14,709,360 km (0.105 R)
• M20: 15,345,450 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 8.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.59 AU - 2.39 AU

Year: 1872 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,557,455 km

• M1: 105,915 km (0.115 R)
• M2: 385,963 km (0.069 R)
• M3: 700,417 km (0.106 R)
• M4: 1,207,255 km (0.091 R)
• M5: 1,486,105 km (0.08 R)
• M6: 2,057,569 km (0.035 R)
• M7: 2,348,088 km (0.065 R)
• M8: 2,969,368 km (0.094 R)
• M9: 4,047,370 km (0.094 R)
• M10: 4,350,007 km (0.051 R)
• M11: 4,757,212 km (0.093 R)
• M12: 5,547,687 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 9.7

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.83 AU - 4.21 AU

Year: 4404 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,557,455 km

• M1: 120,725 km (0.04 R)
• M2: 469,588 km (0.118 R)
• M3: 863,329 km (0.094 R)
• M4: 1,356,254 km (0.03 R)
• M5: 2,029,744 km (0.09 R)
• M6: 2,492,450 km (0.104 R)
• M7: 2,986,572 km (0.078 R)
• M8: 3,297,436 km (0.109 R)
• M9: 3,939,660 km (0.094 R)
• M10: 4,817,949 km (0.078 R)
• M11: 7,093,482 km (0.095 R)
• M12: 7,579,675 km (0.111 R)
• M13: 8,088,158 km (0.086 R)
• M14: 10,134,957 km (0.114 R)
• M15: 12,505,185 km (0.062 R)
• M16: 13,739,368 km (0.096 R)
• M17: 16,568,413 km (0.113 R)
• M18: 17,363,077 km (0.114 R)
• M19: 17,675,437 km (0.103 R)
• M20: 23,047,796 km (0.073 R)
• M21: 24,661,209 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.4

Radius: 12

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.13 AU - 4.51 AU

Year: 4979 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,557,455 km

• M1: 149,299 km (0.061 R)
• M2: 649,255 km (0.07 R)
• M3: 1,337,405 km (0.093 R)
• M4: 1,746,256 km (0.081 R)
• M5: 2,419,895 km (0.116 R)
• M6: 3,757,899 km (0.03 R)
• M7: 4,714,427 km (0.09 R)
• M8: 5,802,303 km (0.109 R)
• M9: 7,078,522 km (0.093 R)
• M10: 9,314,861 km (0.034 R)
• M11: 10,037,269 km (0.108 R)
• M12: 11,632,880 km (0.098 R)
• M13: 14,582,651 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 8.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.37 AU - 5.41 AU

Year: 8345 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,557,455 km

• M1: 104,868 km (0.12 R)
• M2: 439,369 km (0.082 R)
• M3: 778,059 km (0.059 R)
• M4: 1,123,330 km (0.115 R)
• M5: 1,570,030 km (0.06 R)
• M6: 1,986,510 km (0.111 R)
• M7: 2,330,286 km (0.118 R)
• M8: 5,636,997 km (0.108 R)
• M9: 6,978,441 km (0.093 R)
• M10: 7,492,909 km (0.119 R)
• M11: 7,849,699 km (0.099 R)
• M12: 8,713,777 km (0.115 R)
• M13: 10,277,972 km (0.087 R)
• M14: 10,629,826 km (0.063 R)
• M15: 11,035,237 km (0.099 R)
• M16: 12,069,556 km (0.057 R)
• M17: 15,790,953 km (0.087 R)
• M18: 16,737,758 km (0.059 R)
• M19: 17,225,148 km (0.107 R)
• M20: 17,659,430 km (0.113 R)
• M21: 17,974,035 km (0.108 R)
• M22: 20,488,625 km (0.027 R)
• M23: 24,843,270 km (0.092 R)
• M24: 25,477,565 km (0.12 R)
• M25: 25,798,751 km (0.107 R)
• M26: 27,782,868 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.1

Radius: 6.3

Gravity: 17.99 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.67 AU - 10.99 AU

Year: 23767 Days

Day: 17.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,557,455 km

• M1: 82,129 km (0.104 R)
• M2: 320,738 km (0.112 R)
• M3: 662,120 km (0.104 R)
• M4: 1,857,258 km (0.048 R)
• M5: 2,253,692 km (0.08 R)
• M6: 2,755,593 km (0.115 R)
• M7: 3,722,893 km (0.112 R)
• M8: 5,327,479 km (0.108 R)
• M9: 6,214,744 km (0.071 R)
• M10: 7,906,397 km (0.088 R)
• M11: 9,114,250 km (0.103 R)
• M12: 11,549,853 km (0.11 R)
• M13: 12,735,716 km (0.113 R)
• M14: 13,771,531 km (0.085 R)
• M15: 17,480,511 km (0.054 R)
• M16: 19,419,300 km (0.056 R)
• M17: 19,804,215 km (0.098 R)
• M18: 29,995,719 km (0.113 R)
• M19: 33,307,068 km (0.106 R)
• M20: 35,263,958 km (0.097 R)
• M21: 37,296,245 km (0.089 R)
• M22: 38,040,644 km (0.052 R)
• M23: 39,405,276 km (0.041 R)
• M24: 44,189,865 km (0.093 R)
• M25: 45,528,167 km (0.113 R)
• M26: 46,378,182 km (0.028 R)
• M27: 48,285,406 km (0.072 R)
• M28: 48,814,533 km (0.085 R)
• M29: 49,884,308 km (0.042 R)
• M30: 50,424,954 km (0.041 R)
• M31: 51,152,000 km (0.036 R)
• M32: 59,212,632 km (0.081 R)
• M33: 62,702,302 km (0.036 R)
• M34: 66,326,610 km (0.037 R)
• M35: 69,190,661 km (0.114 R)
• M36: 73,290,690 km (0.116 R)
• M37: 83,228,476 km (0.069 R)
• M38: 83,734,865 km (0.109 R)
• M39: 86,039,570 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 12,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit