🌌 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: 142.2

Radius: 14.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,633,232 km

• M1: 185,501 km (0.064 R)
• M2: 883,525 km (0.096 R)
• M3: 1,450,800 km (0.108 R)
• M4: 1,948,961 km (0.118 R)
• M5: 2,541,817 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 10.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.87 AU - 1.31 AU

Year: 772 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 153.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,633,232 km

• M1: 131,945 km (0.118 R)
• M2: 551,119 km (0.111 R)
• M3: 963,709 km (0.064 R)
• M4: 1,314,965 km (0.077 R)
• M5: 1,877,752 km (0.047 R)
• M6: 2,404,636 km (0.096 R)
• M7: 3,574,940 km (0.117 R)
• M8: 4,325,024 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 11

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.99 AU - 1.19 AU

Year: 772 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,633,232 km

• M1: 137,181 km (0.085 R)
• M2: 568,472 km (0.049 R)
• M3: 1,002,156 km (0.085 R)
• M4: 2,067,293 km (0.092 R)
• M5: 2,606,444 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 11.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.91 AU - 1.49 AU

Year: 892 Days

Day: 9 Hours

Environment

Temp: -176 °C

Axial Tilt: 134.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,633,232 km

• M1: 148,401 km (0.11 R)
• M2: 786,735 km (0.119 R)
• M3: 1,177,335 km (0.054 R)
• M4: 1,669,063 km (0.029 R)
• M5: 2,660,449 km (0.032 R)
• M6: 3,038,632 km (0.085 R)
• M7: 3,817,588 km (0.028 R)
• M8: 5,655,996 km (0.049 R)
• M9: 6,410,867 km (0.072 R)
• M10: 7,142,102 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.2

Radius: 12.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.29 AU - 2.03 AU

Year: 1451 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,633,232 km

• M1: 151,692 km (0.094 R)
• M2: 673,938 km (0.059 R)
• M3: 1,061,846 km (0.077 R)
• M4: 1,553,873 km (0.089 R)
• M5: 2,089,134 km (0.081 R)
• M6: 2,520,724 km (0.114 R)
• M7: 3,067,504 km (0.039 R)
• M8: 3,490,418 km (0.062 R)
• M9: 4,069,810 km (0.068 R)
• M10: 4,619,582 km (0.07 R)
• M11: 5,443,119 km (0.031 R)
• M12: 6,907,682 km (0.079 R)
• M13: 7,305,462 km (0.098 R)
• M14: 7,850,896 km (0.049 R)
• M15: 8,507,332 km (0.095 R)
• M16: 9,199,970 km (0.081 R)
• M17: 9,744,057 km (0.082 R)
• M18: 10,665,580 km (0.103 R)
• M19: 11,854,135 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.1

Radius: 6.6

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.41 AU - 5.95 AU

Year: 9182 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,633,232 km

• M1: 86,168 km (0.037 R)
• M2: 1,293,423 km (0.09 R)
• M3: 1,501,364 km (0.1 R)
• M4: 3,193,316 km (0.106 R)
• M5: 3,577,783 km (0.075 R)
• M6: 3,886,104 km (0.116 R)
• M7: 4,615,094 km (0.098 R)
• M8: 5,599,299 km (0.104 R)
• M9: 6,988,016 km (0.119 R)
• M10: 7,636,223 km (0.039 R)
• M11: 8,820,141 km (0.059 R)
• M12: 10,791,841 km (0.083 R)
• M13: 14,593,123 km (0.099 R)
• M14: 18,137,096 km (0.118 R)
• M15: 19,592,085 km (0.083 R)
• M16: 20,227,427 km (0.106 R)
• M17: 23,433,758 km (0.081 R)
• M18: 23,879,411 km (0.105 R)
• M19: 24,604,063 km (0.116 R)
• M20: 30,514,076 km (0.055 R)
• M21: 32,456,006 km (0.11 R)
• M22: 34,478,719 km (0.031 R)
• M23: 39,146,920 km (0.112 R)
• M24: 41,049,057 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.2

Radius: 7.9

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6 AU - 9.7 AU

Year: 14917 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,633,232 km

• M1: 98,435 km (0.114 R)
• M2: 344,075 km (0.105 R)
• M3: 864,975 km (0.092 R)
• M4: 1,350,869 km (0.084 R)
• M5: 1,689,558 km (0.1 R)
• M6: 2,539,274 km (0.052 R)
• M7: 3,135,272 km (0.068 R)
• M8: 3,879,970 km (0.108 R)
• M9: 4,737,465 km (0.119 R)
• M10: 5,085,280 km (0.093 R)
• M11: 6,273,088 km (0.074 R)
• M12: 9,027,184 km (0.072 R)
• M13: 9,562,894 km (0.07 R)
• M14: 9,838,454 km (0.104 R)
• M15: 10,638,653 km (0.077 R)
• M16: 14,930,316 km (0.094 R)
• M17: 16,849,358 km (0.106 R)
• M18: 17,661,076 km (0.054 R)
• M19: 19,187,423 km (0.099 R)
• M20: 22,307,137 km (0.064 R)
• M21: 23,684,484 km (0.086 R)
• M22: 24,496,651 km (0.116 R)
• M23: 25,749,384 km (0.116 R)
• M24: 31,918,501 km (0.103 R)
• M25: 34,432,942 km (0.047 R)
• M26: 35,212,197 km (0.059 R)
• M27: 36,003,271 km (0.113 R)
• M28: 37,211,872 km (0.065 R)
• M29: 40,855,328 km (0.089 R)
• M30: 44,729,763 km (0.084 R)
• M31: 46,755,767 km (0.091 R)
• M32: 52,342,500 km (0.104 R)
• M33: 55,472,835 km (0.102 R)
• M34: 56,364,139 km (0.102 R)
• M35: 60,775,182 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 1000

Radius: 7.9

Gravity: 16.02 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.32 AU - 10.26 AU

Year: 17676 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,633,232 km

• M1: 99,034 km (0.086 R)
• M2: 502,200 km (0.089 R)
• M3: 1,195,736 km (0.087 R)
• M4: 1,767,499 km (0.057 R)
• M5: 2,074,922 km (0.071 R)
• M6: 2,486,466 km (0.069 R)
• M7: 3,083,063 km (0.118 R)
• M8: 3,444,192 km (0.083 R)
• M9: 3,958,958 km (0.091 R)
• M10: 8,288,620 km (0.083 R)
• M11: 9,438,728 km (0.109 R)
• M12: 9,903,828 km (0.082 R)
• M13: 13,670,852 km (0.119 R)
• M14: 14,724,021 km (0.106 R)
• M15: 16,653,983 km (0.118 R)
• M16: 18,386,177 km (0.085 R)
• M17: 21,303,335 km (0.1 R)
• M18: 22,306,539 km (0.081 R)
• M19: 26,293,172 km (0.068 R)
• M20: 27,330,035 km (0.036 R)
• M21: 31,880,503 km (0.086 R)
• M22: 33,592,202 km (0.117 R)
• M23: 37,197,660 km (0.067 R)
• M24: 38,357,044 km (0.064 R)
• M25: 44,678,750 km (0.072 R)
• M26: 49,547,114 km (0.094 R)
• M27: 50,070,108 km (0.099 R)
• M28: 51,661,081 km (0.085 R)
• M29: 52,019,069 km (0.093 R)
• M30: 52,559,267 km (0.096 R)
• M31: 54,572,106 km (0.07 R)
• M32: 56,256,728 km (0.054 R)
• M33: 57,975,757 km (0.111 R)
• M34: 61,920,653 km (0.09 R)
• M35: 63,752,778 km (0.035 R)
• M36: 68,167,860 km (0.113 R)
• M37: 76,203,211 km (0.038 R)
• M38: 78,306,407 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.5

Radius: 6.2

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.63 AU - 10.33 AU

Year: 18252 Days

Day: 17 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,633,232 km

• M1: 79,885 km (0.105 R)
• M2: 390,450 km (0.111 R)
• M3: 620,083 km (0.104 R)
• M4: 1,051,823 km (0.097 R)
• M5: 2,062,955 km (0.036 R)
• M6: 3,770,914 km (0.094 R)
• M7: 6,135,308 km (0.097 R)
• M8: 11,209,368 km (0.065 R)
• M9: 11,803,422 km (0.114 R)
• M10: 12,231,720 km (0.104 R)
• M11: 13,314,809 km (0.049 R)
• M12: 18,289,686 km (0.039 R)
• M13: 25,071,257 km (0.111 R)
• M14: 25,880,731 km (0.094 R)
• M15: 32,874,132 km (0.099 R)
• M16: 43,008,041 km (0.082 R)
• M17: 48,698,595 km (0.037 R)
• M18: 53,198,798 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.6

Radius: 5

Gravity: 28.9 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.87 AU - 10.77 AU

Year: 19298 Days

Day: 22.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,633,232 km

• M1: 62,233 km (0.082 R)
• M2: 338,241 km (0.078 R)
• M3: 622,477 km (0.092 R)
• M4: 845,078 km (0.051 R)
• M5: 1,228,797 km (0.032 R)
• M6: 1,533,229 km (0.088 R)
• M7: 2,608,837 km (0.07 R)
• M8: 2,778,032 km (0.089 R)
• M9: 3,443,145 km (0.11 R)
• M10: 4,684,358 km (0.069 R)
• M11: 4,935,084 km (0.089 R)
• M12: 5,661,083 km (0.081 R)
• M13: 6,902,745 km (0.083 R)
• M14: 8,472,027 km (0.059 R)
• M15: 10,027,844 km (0.052 R)
• M16: 10,688,020 km (0.118 R)
• M17: 12,635,335 km (0.093 R)
• M18: 15,425,635 km (0.11 R)
• M19: 15,820,872 km (0.114 R)
• M20: 16,061,276 km (0.098 R)
• M21: 17,384,619 km (0.08 R)
• M22: 21,395,936 km (0.105 R)
• M23: 24,672,728 km (0.063 R)
• M24: 25,761,501 km (0.118 R)
• M25: 28,860,720 km (0.09 R)
• M26: 31,310,386 km (0.089 R)
• M27: 32,456,604 km (0.12 R)
• M28: 38,465,053 km (0.082 R)
• M29: 43,900,542 km (0.079 R)
• M30: 45,820,182 km (0.097 R)
• M31: 47,795,024 km (0.118 R)
• M32: 49,312,993 km (0.069 R)
• M33: 51,737,526 km (0.074 R)
• M34: 52,800,568 km (0.11 R)
• M35: 54,787,079 km (0.073 R)
• M36: 58,716,715 km (0.095 R)
• M37: 65,883,351 km (0.108 R)
• M38: 72,945,119 km (0.073 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 20,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit