🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.77 AU - 1.15 AU

Year: 397 Days

Day: 40.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 11.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.52 AU - 5.82 AU

Year: 5694 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,834,679 km

• M1: 138,079 km (0.069 R)
• M2: 483,500 km (0.119 R)
• M3: 1,263,055 km (0.076 R)
• M4: 2,245,913 km (0.049 R)
• M5: 2,739,436 km (0.12 R)
• M6: 3,365,204 km (0.04 R)
• M7: 3,833,745 km (0.051 R)
• M8: 4,225,242 km (0.101 R)
• M9: 5,563,694 km (0.119 R)
• M10: 6,441,086 km (0.116 R)
• M11: 8,018,895 km (0.04 R)
• M12: 8,508,229 km (0.092 R)
• M13: 9,967,856 km (0.056 R)
• M14: 10,489,803 km (0.074 R)
• M15: 11,874,481 km (0.119 R)
• M16: 12,812,310 km (0.108 R)
• M17: 13,273,370 km (0.109 R)
• M18: 14,447,414 km (0.061 R)
• M19: 19,706,677 km (0.055 R)
• M20: 20,321,674 km (0.082 R)
• M21: 20,949,536 km (0.089 R)
• M22: 27,447,619 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 11.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.18 AU - 6.16 AU

Year: 5694 Days

Day: 7.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,834,679 km

• M1: 145,559 km (0.101 R)
• M2: 768,933 km (0.11 R)
• M3: 1,328,728 km (0.06 R)
• M4: 2,211,356 km (0.076 R)
• M5: 3,728,428 km (0.088 R)
• M6: 4,997,317 km (0.068 R)
• M7: 5,880,094 km (0.103 R)
• M8: 6,470,706 km (0.102 R)
• M9: 7,066,405 km (0.11 R)
• M10: 7,483,633 km (0.088 R)
• M11: 7,991,219 km (0.068 R)
• M12: 8,835,250 km (0.103 R)
• M13: 10,745,914 km (0.098 R)
• M14: 11,582,466 km (0.118 R)
• M15: 13,490,586 km (0.091 R)
• M16: 15,483,679 km (0.047 R)
• M17: 16,550,760 km (0.065 R)
• M18: 17,040,394 km (0.108 R)
• M19: 17,539,752 km (0.066 R)
• M20: 19,163,338 km (0.116 R)
• M21: 23,236,140 km (0.103 R)
• M22: 23,618,961 km (0.044 R)
• M23: 25,433,882 km (0.108 R)
• M24: 26,917,893 km (0.114 R)
• M25: 27,340,058 km (0.118 R)
• M26: 28,024,917 km (0.058 R)
• M27: 30,695,389 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.6

Radius: 12.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.83 AU - 9.55 AU

Year: 9885 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,834,679 km

• M1: 194,776 km (0.107 R)
• M2: 638,933 km (0.082 R)
• M3: 1,110,016 km (0.117 R)
• M4: 2,498,883 km (0.096 R)
• M5: 4,643,817 km (0.093 R)
• M6: 5,373,406 km (0.111 R)
• M7: 6,628,682 km (0.08 R)
• M8: 8,203,199 km (0.103 R)
• M9: 9,125,919 km (0.109 R)
• M10: 9,612,561 km (0.093 R)
• M11: 11,177,504 km (0.114 R)
• M12: 14,543,157 km (0.095 R)
• M13: 16,173,325 km (0.077 R)
• M14: 19,077,319 km (0.117 R)
• M15: 25,227,287 km (0.116 R)
• M16: 29,111,746 km (0.058 R)
• M17: 30,275,617 km (0.063 R)
• M18: 32,809,057 km (0.033 R)
• M19: 39,179,234 km (0.073 R)
• M20: 41,916,276 km (0.11 R)
• M21: 43,127,271 km (0.114 R)
• M22: 46,470,933 km (0.092 R)
• M23: 48,499,181 km (0.102 R)
• M24: 49,237,596 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.9

Radius: 14

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.26 AU - 9.48 AU

Year: 12097 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,834,679 km

• M1: 175,478 km (0.038 R)
• M2: 805,136 km (0.115 R)
• M3: 1,626,129 km (0.118 R)
• M4: 4,090,754 km (0.088 R)
• M5: 5,289,332 km (0.062 R)
• M6: 6,399,947 km (0.093 R)
• M7: 7,278,535 km (0.054 R)
• M8: 7,878,572 km (0.079 R)
• M9: 10,190,906 km (0.077 R)
• M10: 12,559,040 km (0.118 R)
• M11: 13,048,674 km (0.051 R)
• M12: 13,806,986 km (0.09 R)
• M13: 15,204,828 km (0.1 R)
• M14: 16,259,643 km (0.104 R)
• M15: 17,287,680 km (0.102 R)
• M16: 18,751,495 km (0.09 R)
• M17: 19,392,073 km (0.059 R)
• M18: 23,731,757 km (0.118 R)
• M19: 24,198,503 km (0.093 R)
• M20: 25,247,034 km (0.05 R)
• M21: 27,332,728 km (0.069 R)
• M22: 28,156,713 km (0.068 R)
• M23: 45,536,096 km (0.114 R)
• M24: 49,675,469 km (0.119 R)
• M25: 50,133,238 km (0.102 R)
• M26: 52,465,020 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.1

Radius: 3.8

Gravity: 41.77 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.3 AU - 12.48 AU

Year: 14125 Days

Day: 17 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,834,679 km

• M1: 84,074 km (0.072 R)
• M2: 362,326 km (0.086 R)
• M3: 836,102 km (0.085 R)
• M4: 1,016,817 km (0.066 R)
• M5: 1,370,915 km (0.117 R)
• M6: 1,836,314 km (0.081 R)
• M7: 3,193,167 km (0.068 R)
• M8: 3,635,827 km (0.103 R)
• M9: 4,000,995 km (0.105 R)
• M10: 5,383,728 km (0.116 R)
• M11: 5,672,003 km (0.065 R)
• M12: 5,820,105 km (0.092 R)
• M13: 9,505,150 km (0.098 R)
• M14: 11,439,300 km (0.081 R)
• M15: 12,281,387 km (0.07 R)
• M16: 13,035,360 km (0.085 R)
• M17: 16,736,561 km (0.052 R)
• M18: 18,866,386 km (0.083 R)
• M19: 20,210,074 km (0.093 R)
• M20: 23,845,901 km (0.089 R)
• M21: 29,413,036 km (0.104 R)
• M22: 36,292,743 km (0.094 R)
• M23: 43,450,851 km (0.087 R)
• M24: 44,026,354 km (0.078 R)
• M25: 56,629,676 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 19,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit