🌌 Stone's Star System Generator

Asteroid Belt

Center: 2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 9.2

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.62 AU - 4.38 AU

Year: 5335 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,208,487 km

• M1: 117,434 km (0.114 R)
• M2: 404,961 km (0.114 R)
• M3: 872,604 km (0.11 R)
• M4: 2,258,180 km (0.11 R)
• M5: 2,628,734 km (0.083 R)
• M6: 3,179,404 km (0.077 R)
• M7: 3,851,098 km (0.078 R)
• M8: 5,804,996 km (0.054 R)
• M9: 7,083,609 km (0.057 R)
• M10: 7,733,163 km (0.085 R)
• M11: 8,985,297 km (0.094 R)
• M12: 10,367,731 km (0.118 R)
• M13: 11,640,210 km (0.066 R)
• M14: 12,961,010 km (0.079 R)
• M15: 14,322,799 km (0.12 R)
• M16: 14,893,366 km (0.105 R)
• M17: 15,597,822 km (0.099 R)
• M18: 16,447,837 km (0.096 R)
• M19: 17,200,464 km (0.083 R)
• M20: 17,650,155 km (0.115 R)
• M21: 17,976,129 km (0.077 R)
• M22: 22,056,560 km (0.071 R)
• M23: 24,553,050 km (0.082 R)
• M24: 25,041,337 km (0.066 R)
• M25: 26,374,853 km (0.086 R)
• M26: 27,232,048 km (0.08 R)
• M27: 29,822,934 km (0.099 R)
• M28: 30,378,840 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 9.6

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.56 AU - 5.22 AU

Year: 6134 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,208,487 km

• M1: 138,228 km (0.079 R)
• M2: 464,352 km (0.114 R)
• M3: 997,519 km (0.094 R)
• M4: 1,363,884 km (0.064 R)
• M5: 1,849,179 km (0.114 R)
• M6: 2,820,069 km (0.118 R)
• M7: 3,520,636 km (0.072 R)
• M8: 4,574,703 km (0.069 R)
• M9: 4,969,342 km (0.05 R)
• M10: 8,400,369 km (0.059 R)
• M11: 9,843,241 km (0.113 R)
• M12: 12,989,434 km (0.103 R)
• M13: 13,840,945 km (0.074 R)
• M14: 14,972,204 km (0.118 R)
• M15: 22,279,012 km (0.053 R)
• M16: 23,830,043 km (0.096 R)
• M17: 26,783,554 km (0.095 R)
• M18: 28,914,426 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 8.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.54 AU - 5.7 AU

Year: 8885 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,208,487 km

• M1: 129,253 km (0.112 R)
• M2: 677,080 km (0.042 R)
• M3: 1,050,476 km (0.071 R)
• M4: 1,447,958 km (0.118 R)
• M5: 1,716,486 km (0.092 R)
• M6: 3,085,157 km (0.095 R)
• M7: 5,790,186 km (0.1 R)
• M8: 8,090,552 km (0.114 R)
• M9: 10,557,720 km (0.08 R)
• M10: 12,509,823 km (0.116 R)
• M11: 13,431,645 km (0.093 R)
• M12: 14,281,959 km (0.117 R)
• M13: 18,248,547 km (0.108 R)
• M14: 19,790,901 km (0.044 R)
• M15: 27,187,767 km (0.076 R)
• M16: 28,271,006 km (0.068 R)
• M17: 30,235,375 km (0.11 R)
• M18: 31,594,322 km (0.106 R)
• M19: 32,589,747 km (0.115 R)
• M20: 33,400,866 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 8.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.48 AU - 5.8 AU

Year: 8932 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,208,487 km

• M1: 100,829 km (0.086 R)
• M2: 795,711 km (0.09 R)
• M3: 2,304,555 km (0.089 R)
• M4: 3,653,030 km (0.088 R)
• M5: 4,139,822 km (0.083 R)
• M6: 4,545,083 km (0.051 R)
• M7: 5,379,689 km (0.119 R)
• M8: 6,312,581 km (0.097 R)
• M9: 6,688,970 km (0.104 R)
• M10: 9,111,857 km (0.093 R)
• M11: 10,218,283 km (0.054 R)
• M12: 10,914,810 km (0.109 R)
• M13: 12,161,409 km (0.092 R)
• M14: 14,020,312 km (0.083 R)
• M15: 23,656,809 km (0.084 R)
• M16: 25,655,137 km (0.054 R)
• M17: 26,131,756 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.7

Radius: 5.3

Gravity: 32.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.88 AU - 8.08 AU

Year: 12297 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,208,487 km

• M1: 66,122 km (0.083 R)
• M2: 258,206 km (0.105 R)
• M3: 436,975 km (0.1 R)
• M4: 626,665 km (0.054 R)
• M5: 1,023,249 km (0.063 R)
• M6: 1,542,504 km (0.109 R)
• M7: 1,904,680 km (0.059 R)
• M8: 2,639,505 km (0.106 R)
• M9: 3,797,093 km (0.088 R)
• M10: 3,999,050 km (0.062 R)
• M11: 4,330,858 km (0.116 R)
• M12: 7,770,712 km (0.066 R)
• M13: 8,432,084 km (0.079 R)
• M14: 8,776,608 km (0.041 R)
• M15: 9,079,244 km (0.115 R)
• M16: 11,160,300 km (0.101 R)
• M17: 11,575,584 km (0.095 R)
• M18: 12,124,459 km (0.115 R)
• M19: 13,539,206 km (0.081 R)
• M20: 15,788,260 km (0.074 R)
• M21: 19,186,376 km (0.076 R)
• M22: 21,189,790 km (0.1 R)
• M23: 23,617,764 km (0.075 R)
• M24: 26,537,615 km (0.035 R)
• M25: 30,371,210 km (0.066 R)
• M26: 32,240,436 km (0.027 R)
• M27: 36,464,481 km (0.105 R)
• M28: 44,201,084 km (0.073 R)
• M29: 45,990,125 km (0.113 R)
• M30: 53,462,389 km (0.093 R)
• M31: 56,352,620 km (0.113 R)
• M32: 57,397,113 km (0.088 R)
• M33: 60,426,470 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.9

Radius: 7.3

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.45 AU - 10.69 AU

Year: 22916 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,208,487 km

• M1: 91,404 km (0.081 R)
• M2: 1,248,993 km (0.086 R)
• M3: 1,844,542 km (0.065 R)
• M4: 2,087,937 km (0.094 R)
• M5: 2,422,738 km (0.055 R)
• M6: 7,495,153 km (0.064 R)
• M7: 7,751,563 km (0.115 R)
• M8: 9,594,310 km (0.039 R)
• M9: 11,371,981 km (0.039 R)
• M10: 12,338,384 km (0.098 R)
• M11: 14,120,842 km (0.117 R)
• M12: 16,668,644 km (0.11 R)
• M13: 19,029,148 km (0.116 R)
• M14: 25,887,612 km (0.114 R)
• M15: 28,787,268 km (0.075 R)
• M16: 39,232,191 km (0.112 R)
• M17: 39,851,078 km (0.106 R)
• M18: 43,867,032 km (0.097 R)
• M19: 45,546,269 km (0.073 R)
• M20: 47,792,780 km (0.076 R)
• M21: 57,916,666 km (0.12 R)
• M22: 66,056,885 km (0.108 R)
• M23: 69,155,505 km (0.103 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: 479 - 13,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit