🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 14.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,464,990 km

• M1: 176,077 km (0.075 R)
• M2: 696,528 km (0.109 R)
• M3: 1,161,927 km (0.095 R)
• M4: 1,795,773 km (0.118 R)
• M5: 2,776,836 km (0.073 R)
• M6: 3,955,069 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 10.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.64 AU - 0.88 AU

Year: 449 Days

Day: 12.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,464,990 km

• M1: 134,339 km (0.042 R)
• M2: 716,723 km (0.058 R)
• M3: 1,215,034 km (0.098 R)
• M4: 1,579,454 km (0.084 R)
• M5: 2,100,055 km (0.108 R)
• M6: 2,682,739 km (0.066 R)
• M7: 3,199,450 km (0.109 R)
• M8: 3,883,262 km (0.051 R)
• M9: 4,349,708 km (0.107 R)
• M10: 4,988,939 km (0.071 R)
• M11: 5,623,534 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 10.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.7 AU - 1.14 AU

Year: 599 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,464,990 km

• M1: 133,142 km (0.113 R)
• M2: 1,004,699 km (0.115 R)
• M3: 1,439,132 km (0.092 R)
• M4: 1,847,683 km (0.056 R)
• M5: 2,325,349 km (0.113 R)
• M6: 2,670,472 km (0.045 R)
• M7: 3,509,267 km (0.032 R)
• M8: 4,335,197 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 13.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.38 AU - 1.46 AU

Year: 1148 Days

Day: 6.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,464,990 km

• M1: 166,951 km (0.11 R)
• M2: 711,487 km (0.046 R)
• M3: 1,301,352 km (0.061 R)
• M4: 1,809,985 km (0.09 R)
• M5: 2,404,487 km (0.052 R)
• M6: 3,001,831 km (0.064 R)
• M7: 3,555,941 km (0.099 R)
• M8: 4,092,100 km (0.118 R)
• M9: 5,514,626 km (0.114 R)
• M10: 6,490,304 km (0.025 R)
• M11: 7,069,397 km (0.102 R)
• M12: 8,331,255 km (0.116 R)
• M13: 9,646,071 km (0.035 R)
• M14: 10,564,003 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 9.7

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.08 AU - 1.78 AU

Year: 1160 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,464,990 km

• M1: 122,670 km (0.118 R)
• M2: 444,306 km (0.113 R)
• M3: 749,037 km (0.119 R)
• M4: 1,244,355 km (0.059 R)
• M5: 1,929,065 km (0.067 R)
• M6: 2,290,493 km (0.116 R)
• M7: 3,192,867 km (0.051 R)
• M8: 3,611,293 km (0.112 R)
• M9: 4,131,744 km (0.1 R)
• M10: 4,921,321 km (0.114 R)
• M11: 5,264,050 km (0.074 R)
• M12: 6,169,865 km (0.118 R)
• M13: 6,637,358 km (0.089 R)
• M14: 7,718,652 km (0.109 R)
• M15: 8,235,363 km (0.087 R)
• M16: 8,747,436 km (0.106 R)
• M17: 9,954,990 km (0.07 R)
• M18: 10,381,045 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 8.6

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.98 AU - 4.14 AU

Year: 4556 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,464,990 km

• M1: 112,049 km (0.099 R)
• M2: 405,111 km (0.085 R)
• M3: 705,653 km (0.11 R)
• M4: 1,094,308 km (0.069 R)
• M5: 1,526,048 km (0.097 R)
• M6: 2,053,530 km (0.118 R)
• M7: 2,751,254 km (0.118 R)
• M8: 3,685,344 km (0.11 R)
• M9: 4,458,166 km (0.064 R)
• M10: 7,497,097 km (0.094 R)
• M11: 9,092,110 km (0.102 R)
• M12: 10,674,406 km (0.093 R)
• M13: 11,224,777 km (0.099 R)
• M14: 12,938,720 km (0.115 R)
• M15: 13,564,637 km (0.032 R)
• M16: 14,596,563 km (0.111 R)
• M17: 14,933,009 km (0.099 R)
• M18: 15,332,286 km (0.114 R)
• M19: 15,738,444 km (0.053 R)
• M20: 17,310,568 km (0.093 R)
• M21: 17,878,442 km (0.11 R)
• M22: 20,067,058 km (0.11 R)
• M23: 20,905,405 km (0.103 R)
• M24: 21,189,940 km (0.088 R)
• M25: 22,502,811 km (0.065 R)
• M26: 23,255,139 km (0.032 R)
• M27: 24,101,863 km (0.028 R)
• M28: 26,515,774 km (0.106 R)
• M29: 27,439,840 km (0.099 R)
• M30: 29,352,149 km (0.118 R)
• M31: 30,523,052 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485

Radius: 7.7

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.9 AU - 7.64 AU

Year: 13295 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,464,990 km

• M1: 96,191 km (0.032 R)
• M2: 367,412 km (0.116 R)
• M3: 644,767 km (0.102 R)
• M4: 991,535 km (0.068 R)
• M5: 1,392,607 km (0.111 R)
• M6: 1,865,635 km (0.102 R)
• M7: 2,947,377 km (0.103 R)
• M8: 3,420,406 km (0.117 R)
• M9: 5,147,064 km (0.088 R)
• M10: 5,414,695 km (0.086 R)
• M11: 5,691,601 km (0.109 R)
• M12: 7,056,532 km (0.12 R)
• M13: 7,946,788 km (0.063 R)
• M14: 8,673,984 km (0.041 R)
• M15: 10,000,318 km (0.075 R)
• M16: 10,260,020 km (0.119 R)
• M17: 11,456,803 km (0.044 R)
• M18: 12,503,091 km (0.118 R)
• M19: 13,049,422 km (0.112 R)
• M20: 15,742,184 km (0.119 R)
• M21: 17,856,451 km (0.047 R)
• M22: 19,500,980 km (0.064 R)
• M23: 20,568,211 km (0.109 R)
• M24: 23,269,350 km (0.035 R)
• M25: 26,100,041 km (0.115 R)
• M26: 36,812,296 km (0.032 R)
• M27: 40,113,622 km (0.118 R)
• M28: 43,056,810 km (0.111 R)
• M29: 45,427,637 km (0.051 R)
• M30: 50,427,497 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.9

Radius: 3.8

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.49 AU - 11.85 AU

Year: 20395 Days

Day: 23.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,464,990 km

• M1: 49,068 km (0.117 R)
• M2: 234,270 km (0.1 R)
• M3: 420,968 km (0.11 R)
• M4: 587,321 km (0.095 R)
• M5: 1,099,395 km (0.092 R)
• M6: 1,405,921 km (0.064 R)
• M7: 1,977,534 km (0.103 R)
• M8: 2,649,229 km (0.073 R)
• M9: 4,004,436 km (0.096 R)
• M10: 4,282,389 km (0.109 R)
• M11: 4,426,003 km (0.064 R)
• M12: 6,374,365 km (0.088 R)
• M13: 6,791,743 km (0.025 R)
• M14: 11,184,984 km (0.028 R)
• M15: 12,594,495 km (0.114 R)
• M16: 13,129,607 km (0.097 R)
• M17: 13,250,482 km (0.105 R)
• M18: 14,436,793 km (0.079 R)
• M19: 17,090,360 km (0.105 R)
• M20: 17,525,540 km (0.12 R)
• M21: 17,968,051 km (0.095 R)
• M22: 21,694,982 km (0.102 R)
• M23: 24,783,131 km (0.105 R)
• M24: 28,252,455 km (0.104 R)
• M25: 30,843,341 km (0.11 R)
• M26: 35,544,753 km (0.108 R)
• M27: 40,063,507 km (0.119 R)
• M28: 44,950,271 km (0.03 R)
• M29: 47,465,011 km (0.095 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: 343 - 11,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit