🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.49 AU - 1.77 AU

Year: 772 Days

Day: 19.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.8 AU - 3.64 AU

Year: 2143 Days

Day: 38.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 10.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.99 AU - 6.95 AU

Year: 6103 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 144 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,461,882 km

• M1: 133,142 km (0.103 R)
• M2: 889,958 km (0.118 R)
• M3: 1,351,617 km (0.043 R)
• M4: 2,979,840 km (0.084 R)
• M5: 3,429,531 km (0.115 R)
• M6: 6,306,448 km (0.083 R)
• M7: 14,943,930 km (0.113 R)
• M8: 20,567,463 km (0.056 R)
• M9: 21,578,894 km (0.118 R)
• M10: 22,271,383 km (0.069 R)
• M11: 22,907,174 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 8.3

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.81 AU - 8.13 AU

Year: 6824 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,461,882 km

• M1: 104,419 km (0.051 R)
• M2: 436,826 km (0.076 R)
• M3: 703,110 km (0.097 R)
• M4: 1,266,645 km (0.106 R)
• M5: 1,837,810 km (0.11 R)
• M6: 2,500,229 km (0.1 R)
• M7: 2,772,348 km (0.107 R)
• M8: 3,485,780 km (0.105 R)
• M9: 3,921,409 km (0.095 R)
• M10: 4,444,852 km (0.118 R)
• M11: 5,214,234 km (0.115 R)
• M12: 6,198,887 km (0.12 R)
• M13: 7,266,268 km (0.094 R)
• M14: 8,331,554 km (0.068 R)
• M15: 9,849,673 km (0.047 R)
• M16: 10,348,283 km (0.091 R)
• M17: 11,200,243 km (0.12 R)
• M18: 12,149,591 km (0.105 R)
• M19: 12,723,000 km (0.097 R)
• M20: 14,150,463 km (0.117 R)
• M21: 15,020,823 km (0.103 R)
• M22: 15,865,153 km (0.105 R)
• M23: 17,450,741 km (0.114 R)
• M24: 21,008,029 km (0.083 R)
• M25: 22,139,886 km (0.104 R)
• M26: 24,115,626 km (0.06 R)
• M27: 29,331,954 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.4

Radius: 5.9

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 13.78 AU - 14.22 AU

Year: 19427 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,461,882 km

• M1: 73,453 km (0.091 R)
• M2: 292,165 km (0.096 R)
• M3: 584,329 km (0.052 R)
• M4: 1,537,417 km (0.057 R)
• M5: 2,032,885 km (0.08 R)
• M6: 2,991,658 km (0.061 R)
• M7: 3,900,615 km (0.118 R)
• M8: 4,161,514 km (0.041 R)
• M9: 5,429,206 km (0.067 R)
• M10: 5,828,782 km (0.086 R)
• M11: 7,018,982 km (0.093 R)
• M12: 8,221,151 km (0.113 R)
• M13: 9,658,936 km (0.062 R)
• M14: 17,093,053 km (0.073 R)
• M15: 21,309,917 km (0.115 R)
• M16: 23,514,691 km (0.119 R)
• M17: 34,099,488 km (0.034 R)
• M18: 41,101,417 km (0.086 R)
• M19: 42,919,480 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832

Radius: 6.7

Gravity: 18.53 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 13.31 AU - 18.77 AU

Year: 23824 Days

Day: 15.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,461,882 km

• M1: 83,476 km (0.115 R)
• M2: 1,040,603 km (0.103 R)
• M3: 1,576,911 km (0.116 R)
• M4: 2,084,048 km (0.091 R)
• M5: 2,495,292 km (0.051 R)
• M6: 9,851,319 km (0.091 R)
• M7: 15,164,587 km (0.097 R)
• M8: 17,051,315 km (0.118 R)
• M9: 17,683,067 km (0.078 R)
• M10: 18,612,369 km (0.089 R)
• M11: 21,595,649 km (0.116 R)
• M12: 22,873,215 km (0.045 R)
• M13: 26,886,477 km (0.118 R)
• M14: 32,566,559 km (0.093 R)
• M15: 36,569,199 km (0.11 R)
• M16: 61,771,953 km (0.111 R)
• M17: 62,194,417 km (0.113 R)
• M18: 63,903,872 km (0.057 R)
• M19: 70,362,910 km (0.086 R)
• M20: 86,392,322 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.8

Radius: 7

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 15.18 AU - 18.1 AU

Year: 25173 Days

Day: 23.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,461,882 km

• M1: 104,270 km (0.112 R)
• M2: 771,775 km (0.065 R)
• M3: 1,061,846 km (0.118 R)
• M4: 1,363,585 km (0.105 R)
• M5: 1,829,881 km (0.108 R)
• M6: 2,100,504 km (0.111 R)
• M7: 2,420,045 km (0.04 R)
• M8: 2,747,365 km (0.083 R)
• M9: 3,377,172 km (0.09 R)
• M10: 3,756,403 km (0.095 R)
• M11: 4,228,982 km (0.045 R)
• M12: 4,565,577 km (0.045 R)
• M13: 5,066,880 km (0.046 R)
• M14: 6,094,168 km (0.082 R)
• M15: 8,929,048 km (0.086 R)
• M16: 12,335,691 km (0.044 R)
• M17: 13,235,073 km (0.08 R)
• M18: 14,400,889 km (0.06 R)
• M19: 17,019,151 km (0.116 R)
• M20: 18,307,787 km (0.031 R)
• M21: 20,503,136 km (0.119 R)
• M22: 23,072,928 km (0.1 R)
• M23: 26,183,816 km (0.053 R)
• M24: 28,249,164 km (0.065 R)
• M25: 28,722,492 km (0.116 R)
• M26: 30,420,877 km (0.05 R)
• M27: 33,223,144 km (0.094 R)
• M28: 41,123,108 km (0.111 R)
• M29: 43,906,077 km (0.065 R)
• M30: 46,155,581 km (0.118 R)
• M31: 58,181,005 km (0.044 R)
• M32: 58,947,096 km (0.028 R)
• M33: 61,285,610 km (0.087 R)
• M34: 73,911,222 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.2

Radius: 6.6

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 15.52 AU - 19.64 AU

Year: 27336 Days

Day: 20.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,461,882 km

• M1: 82,279 km (0.084 R)
• M2: 289,921 km (0.093 R)
• M3: 682,615 km (0.104 R)
• M4: 992,881 km (0.071 R)
• M5: 1,362,986 km (0.117 R)
• M6: 2,087,489 km (0.114 R)
• M7: 2,646,386 km (0.1 R)
• M8: 3,793,353 km (0.057 R)
• M9: 5,199,723 km (0.115 R)
• M10: 8,100,276 km (0.105 R)
• M11: 10,266,004 km (0.096 R)
• M12: 10,845,846 km (0.088 R)
• M13: 16,469,828 km (0.11 R)
• M14: 17,353,951 km (0.113 R)
• M15: 17,991,388 km (0.088 R)
• M16: 19,409,576 km (0.114 R)
• M17: 22,897,151 km (0.106 R)
• M18: 37,604,267 km (0.048 R)
• M19: 42,642,873 km (0.067 R)
• M20: 46,879,036 km (0.078 R)
• M21: 48,291,689 km (0.085 R)
• M22: 48,828,745 km (0.075 R)
• M23: 58,983,897 km (0.078 R)
• M24: 63,154,835 km (0.089 R)
• M25: 69,318,567 km (0.12 R)
• M26: 71,150,542 km (0.12 R)
• M27: 77,571,433 km (0.097 R)
• M28: 82,569,348 km (0.085 R)
• M29: 86,455,452 km (0.112 R)
• M30: 89,650,862 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 16,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit