🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 9.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.74 AU - 1.04 AU

Year: 534 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,207,673 km

• M1: 119,379 km (0.093 R)
• M2: 440,267 km (0.104 R)
• M3: 1,049,279 km (0.099 R)
• M4: 1,391,859 km (0.029 R)
• M5: 1,851,722 km (0.094 R)
• M6: 2,251,598 km (0.096 R)
• M7: 3,239,093 km (0.038 R)
• M8: 3,781,385 km (0.115 R)
• M9: 4,170,938 km (0.099 R)
• M10: 4,699,318 km (0.112 R)
• M11: 5,167,709 km (0.1 R)
• M12: 5,484,856 km (0.056 R)
• M13: 6,315,723 km (0.098 R)
• M14: 6,907,831 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.4

Radius: 14.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.72 AU - 1.1 AU

Year: 552 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,207,673 km

• M1: 180,265 km (0.053 R)
• M2: 647,160 km (0.06 R)
• M3: 1,119,142 km (0.066 R)
• M4: 1,965,118 km (0.119 R)
• M5: 3,103,109 km (0.077 R)
• M6: 3,620,717 km (0.115 R)
• M7: 4,095,990 km (0.105 R)
• M8: 4,784,589 km (0.077 R)
• M9: 5,376,547 km (0.099 R)
• M10: 5,834,317 km (0.074 R)
• M11: 6,453,054 km (0.1 R)
• M12: 7,012,101 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 14.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.28 AU - 1.5 AU

Year: 1042 Days

Day: 10.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,207,673 km

• M1: 183,108 km (0.058 R)
• M2: 659,577 km (0.089 R)
• M3: 1,257,221 km (0.084 R)
• M4: 2,088,087 km (0.118 R)
• M5: 2,568,296 km (0.113 R)
• M6: 3,164,593 km (0.119 R)
• M7: 4,371,250 km (0.118 R)
• M8: 5,908,518 km (0.028 R)
• M9: 7,274,047 km (0.095 R)
• M10: 8,672,039 km (0.118 R)
• M11: 9,185,459 km (0.112 R)
• M12: 10,024,703 km (0.096 R)
• M13: 10,687,272 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.9

Radius: 13.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.53 AU - 1.95 AU

Year: 1459 Days

Day: 7.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,207,673 km

• M1: 169,345 km (0.09 R)
• M2: 736,022 km (0.116 R)
• M3: 1,175,390 km (0.11 R)
• M4: 1,833,472 km (0.11 R)
• M5: 3,793,952 km (0.112 R)
• M6: 5,063,290 km (0.089 R)
• M7: 5,616,502 km (0.099 R)
• M8: 6,294,929 km (0.112 R)
• M9: 6,890,328 km (0.089 R)
• M10: 9,068,324 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.4

Radius: 13.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.18 AU - 2.26 AU

Year: 2103 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,207,673 km

• M1: 169,195 km (0.1 R)
• M2: 854,653 km (0.113 R)
• M3: 1,576,163 km (0.066 R)
• M4: 2,423,186 km (0.111 R)
• M5: 3,050,301 km (0.109 R)
• M6: 3,642,409 km (0.084 R)
• M7: 4,213,125 km (0.064 R)
• M8: 4,821,839 km (0.103 R)
• M9: 6,525,160 km (0.115 R)
• M10: 7,090,490 km (0.06 R)
• M11: 7,543,024 km (0.098 R)
• M12: 9,017,909 km (0.065 R)
• M13: 9,617,946 km (0.074 R)
• M14: 10,714,050 km (0.047 R)
• M15: 11,425,837 km (0.087 R)
• M16: 13,027,880 km (0.055 R)
• M17: 13,493,728 km (0.059 R)
• M18: 14,191,004 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.2

Radius: 13.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.2 AU - 6.24 AU

Year: 8698 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,207,673 km

• M1: 167,849 km (0.043 R)
• M2: 607,367 km (0.039 R)
• M3: 1,377,946 km (0.049 R)
• M4: 2,188,467 km (0.057 R)
• M5: 3,275,445 km (0.095 R)
• M6: 3,805,770 km (0.11 R)
• M7: 4,501,400 km (0.087 R)
• M8: 5,099,791 km (0.059 R)
• M9: 5,559,356 km (0.052 R)
• M10: 6,387,231 km (0.111 R)
• M11: 7,107,395 km (0.054 R)
• M12: 8,455,571 km (0.081 R)
• M13: 9,101,834 km (0.083 R)
• M14: 11,601,315 km (0.118 R)
• M15: 13,871,612 km (0.081 R)
• M16: 14,407,023 km (0.111 R)
• M17: 15,456,302 km (0.119 R)
• M18: 16,032,105 km (0.116 R)
• M19: 16,956,320 km (0.091 R)
• M20: 17,431,443 km (0.039 R)
• M21: 17,845,979 km (0.084 R)
• M22: 21,402,219 km (0.069 R)
• M23: 23,850,538 km (0.066 R)
• M24: 26,299,006 km (0.119 R)
• M25: 32,725,432 km (0.069 R)
• M26: 33,996,715 km (0.082 R)
• M27: 35,631,670 km (0.037 R)
• M28: 37,090,548 km (0.111 R)
• M29: 37,892,542 km (0.086 R)

Asteroid Belt

Center: 7.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.3

Radius: 4.2

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.13 AU - 11.27 AU

Year: 17743 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,207,673 km

• M1: 69,713 km (0.08 R)
• M2: 262,095 km (0.109 R)
• M3: 393,442 km (0.097 R)
• M4: 536,308 km (0.064 R)
• M5: 682,166 km (0.108 R)
• M6: 818,001 km (0.034 R)
• M7: 1,056,161 km (0.085 R)
• M8: 1,191,996 km (0.098 R)
• M9: 2,038,720 km (0.096 R)
• M10: 2,362,150 km (0.037 R)
• M11: 2,888,585 km (0.064 R)
• M12: 3,320,325 km (0.099 R)
• M13: 3,465,135 km (0.097 R)
• M14: 3,978,855 km (0.116 R)
• M15: 4,170,041 km (0.103 R)
• M16: 5,284,994 km (0.086 R)
• M17: 5,482,912 km (0.108 R)
• M18: 5,754,432 km (0.048 R)
• M19: 5,928,564 km (0.083 R)
• M20: 6,250,947 km (0.081 R)
• M21: 9,455,633 km (0.051 R)
• M22: 9,600,892 km (0.086 R)
• M23: 11,848,451 km (0.112 R)
• M24: 13,183,761 km (0.108 R)
• M25: 16,496,307 km (0.05 R)
• M26: 17,133,145 km (0.066 R)
• M27: 18,758,825 km (0.08 R)
• M28: 24,520,288 km (0.12 R)
• M29: 25,442,259 km (0.055 R)
• M30: 26,387,269 km (0.096 R)
• M31: 26,579,054 km (0.111 R)
• M32: 28,046,908 km (0.092 R)
• M33: 32,553,095 km (0.091 R)
• M34: 33,441,407 km (0.114 R)
• M35: 35,732,798 km (0.078 R)
• M36: 40,117,212 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.4

Radius: 6.9

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.82 AU - 11.6 AU

Year: 19238 Days

Day: 24.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,207,673 km

• M1: 85,869 km (0.086 R)
• M2: 330,013 km (0.083 R)
• M3: 873,951 km (0.05 R)
• M4: 1,501,364 km (0.11 R)
• M5: 5,462,716 km (0.107 R)
• M6: 6,110,475 km (0.103 R)
• M7: 7,788,215 km (0.088 R)
• M8: 10,587,640 km (0.109 R)
• M9: 12,918,375 km (0.12 R)
• M10: 14,063,845 km (0.093 R)
• M11: 15,570,446 km (0.092 R)
• M12: 16,710,531 km (0.117 R)
• M13: 17,023,639 km (0.093 R)
• M14: 30,971,546 km (0.053 R)
• M15: 32,647,192 km (0.11 R)
• M16: 40,656,513 km (0.072 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 17,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit