🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 12.4

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 94,954,824 km

• M1: 154,235 km (0.053 R)
• M2: 919,279 km (0.091 R)
• M3: 2,034,381 km (0.117 R)
• M4: 2,678,101 km (0.089 R)
• M5: 3,139,910 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.1

Radius: 8.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.89 AU - 0.99 AU

Year: 608 Days

Day: 7.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,954,824 km

• M1: 103,522 km (0.099 R)
• M2: 512,672 km (0.053 R)
• M3: 872,006 km (0.104 R)
• M4: 1,385,127 km (0.112 R)
• M5: 1,944,922 km (0.1 R)
• M6: 2,228,709 km (0.104 R)
• M7: 3,509,566 km (0.089 R)
• M8: 3,909,591 km (0.05 R)
• M9: 4,289,270 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.1

Radius: 11.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.83 AU - 1.21 AU

Year: 687 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,954,824 km

• M1: 146,756 km (0.1 R)
• M2: 562,937 km (0.038 R)
• M3: 1,121,535 km (0.083 R)
• M4: 1,966,913 km (0.11 R)
• M5: 2,508,906 km (0.053 R)
• M6: 3,161,153 km (0.117 R)
• M7: 3,980,351 km (0.083 R)
• M8: 4,772,322 km (0.12 R)
• M9: 5,292,773 km (0.075 R)
• M10: 6,115,411 km (0.081 R)
• M11: 6,648,578 km (0.046 R)
• M12: 7,320,721 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.9

Radius: 14.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.08 AU - 1.3 AU

Year: 866 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,954,824 km

• M1: 177,872 km (0.038 R)
• M2: 624,422 km (0.096 R)
• M3: 1,072,467 km (0.069 R)
• M4: 1,839,455 km (0.078 R)
• M5: 3,043,718 km (0.051 R)
• M6: 3,919,913 km (0.083 R)
• M7: 4,687,350 km (0.113 R)
• M8: 7,002,228 km (0.051 R)
• M9: 7,504,876 km (0.092 R)
• M10: 8,422,959 km (0.075 R)
• M11: 9,968,753 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 10.5

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.02 AU - 1.66 AU

Year: 1034 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,954,824 km

• M1: 130,749 km (0.091 R)
• M2: 491,878 km (0.119 R)
• M3: 821,442 km (0.026 R)
• M4: 1,301,202 km (0.059 R)
• M5: 1,730,698 km (0.045 R)
• M6: 2,200,734 km (0.098 R)
• M7: 3,435,964 km (0.09 R)
• M8: 3,927,842 km (0.056 R)
• M9: 4,745,992 km (0.077 R)
• M10: 6,003,213 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.6

Radius: 6.6

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.27 AU - 6.51 AU

Year: 9532 Days

Day: 20.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,954,824 km

• M1: 82,129 km (0.081 R)
• M2: 321,785 km (0.102 R)
• M3: 600,486 km (0.115 R)
• M4: 854,503 km (0.114 R)
• M5: 1,070,373 km (0.114 R)
• M6: 2,443,681 km (0.085 R)
• M7: 3,700,303 km (0.075 R)
• M8: 4,119,327 km (0.117 R)
• M9: 4,598,788 km (0.085 R)
• M10: 6,554,930 km (0.115 R)
• M11: 10,159,491 km (0.109 R)
• M12: 11,569,750 km (0.118 R)
• M13: 12,236,657 km (0.088 R)
• M14: 14,015,675 km (0.066 R)
• M15: 16,507,676 km (0.114 R)
• M16: 17,640,132 km (0.09 R)
• M17: 18,151,458 km (0.109 R)
• M18: 20,857,683 km (0.092 R)
• M19: 26,958,284 km (0.082 R)
• M20: 30,255,870 km (0.115 R)
• M21: 30,883,134 km (0.116 R)
• M22: 33,146,400 km (0.106 R)
• M23: 35,865,940 km (0.106 R)
• M24: 39,842,850 km (0.1 R)
• M25: 42,131,398 km (0.087 R)
• M26: 45,453,069 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.1

Radius: 3.8

Gravity: 29.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.89 AU - 7.39 AU

Year: 12723 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,954,824 km

• M1: 49,966 km (0.067 R)
• M2: 287,826 km (0.032 R)
• M3: 414,984 km (0.07 R)
• M4: 994,227 km (0.113 R)
• M5: 1,172,698 km (0.086 R)
• M6: 1,579,754 km (0.079 R)
• M7: 1,938,040 km (0.094 R)
• M8: 2,464,326 km (0.105 R)
• M9: 2,771,301 km (0.088 R)
• M10: 2,967,274 km (0.097 R)
• M11: 3,740,246 km (0.11 R)
• M12: 4,145,207 km (0.043 R)
• M13: 4,460,410 km (0.09 R)
• M14: 5,741,865 km (0.11 R)
• M15: 7,580,423 km (0.055 R)
• M16: 9,050,522 km (0.045 R)
• M17: 10,232,046 km (0.095 R)
• M18: 14,516,229 km (0.05 R)
• M19: 15,782,426 km (0.102 R)
• M20: 15,919,906 km (0.112 R)
• M21: 16,197,111 km (0.113 R)
• M22: 17,779,857 km (0.076 R)
• M23: 18,456,039 km (0.089 R)
• M24: 18,685,223 km (0.092 R)
• M25: 19,541,671 km (0.114 R)
• M26: 20,423,999 km (0.103 R)
• M27: 27,954,157 km (0.031 R)
• M28: 28,867,452 km (0.095 R)
• M29: 29,073,000 km (0.035 R)
• M30: 31,399,695 km (0.098 R)
• M31: 34,420,974 km (0.097 R)
• M32: 41,163,500 km (0.059 R)
• M33: 41,816,794 km (0.08 R)
• M34: 42,212,031 km (0.111 R)
• M35: 43,818,114 km (0.094 R)
• M36: 43,953,799 km (0.107 R)
• M37: 44,089,784 km (0.118 R)
• M38: 46,867,667 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.7

Radius: 6.8

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.41 AU - 8.29 AU

Year: 14667 Days

Day: 24.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,954,824 km

• M1: 98,286 km (0.074 R)
• M2: 562,039 km (0.115 R)
• M3: 1,054,067 km (0.118 R)
• M4: 1,344,586 km (0.044 R)
• M5: 1,753,287 km (0.092 R)
• M6: 2,934,811 km (0.054 R)
• M7: 5,280,655 km (0.11 R)
• M8: 5,605,432 km (0.078 R)
• M9: 6,374,664 km (0.069 R)
• M10: 7,344,059 km (0.115 R)
• M11: 10,838,665 km (0.11 R)
• M12: 19,728,818 km (0.075 R)
• M13: 22,044,593 km (0.1 R)
• M14: 26,470,446 km (0.068 R)
• M15: 31,454,299 km (0.078 R)
• M16: 43,373,509 km (0.095 R)
• M17: 51,375,050 km (0.101 R)
• M18: 54,867,263 km (0.118 R)
• M19: 56,758,180 km (0.077 R)
• M20: 57,631,832 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897

Radius: 6.1

Gravity: 24.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.46 AU - 10.78 AU

Year: 21468 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,954,824 km

• M1: 76,145 km (0.112 R)
• M2: 267,481 km (0.08 R)
• M3: 504,294 km (0.115 R)
• M4: 1,164,619 km (0.052 R)
• M5: 2,031,240 km (0.077 R)
• M6: 2,269,101 km (0.034 R)
• M7: 2,906,387 km (0.06 R)
• M8: 3,353,984 km (0.117 R)
• M9: 3,814,297 km (0.119 R)
• M10: 4,043,182 km (0.026 R)
• M11: 11,985,931 km (0.116 R)
• M12: 15,886,097 km (0.108 R)
• M13: 29,347,362 km (0.035 R)
• M14: 31,283,757 km (0.081 R)
• M15: 34,275,565 km (0.077 R)
• M16: 37,751,023 km (0.05 R)
• M17: 38,352,257 km (0.089 R)
• M18: 40,038,374 km (0.094 R)
• M19: 50,475,219 km (0.076 R)
• M20: 51,021,700 km (0.116 R)
• M21: 55,924,322 km (0.081 R)
• M22: 59,496,569 km (0.072 R)
• M23: 64,278,615 km (0.091 R)
• M24: 64,920,539 km (0.091 R)
• M25: 67,311,263 km (0.117 R)
• M26: 70,892,486 km (0.105 R)
• M27: 80,893,104 km (0.221 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.8

Radius: 5.9

Gravity: 28.32 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.77 AU - 11.57 AU

Year: 23242 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 94,954,824 km

• M1: 78,539 km (0.064 R)
• M2: 328,218 km (0.082 R)
• M3: 1,920,238 km (0.062 R)
• M4: 2,387,432 km (0.1 R)
• M5: 3,095,778 km (0.032 R)
• M6: 3,300,428 km (0.1 R)
• M7: 5,920,934 km (0.083 R)
• M8: 6,329,785 km (0.101 R)
• M9: 7,669,883 km (0.118 R)
• M10: 8,100,725 km (0.072 R)
• M11: 11,442,442 km (0.069 R)
• M12: 17,460,465 km (0.102 R)
• M13: 26,614,209 km (0.104 R)
• M14: 31,242,767 km (0.027 R)
• M15: 32,063,012 km (0.112 R)
• M16: 32,478,446 km (0.06 R)
• M17: 42,385,116 km (0.092 R)
• M18: 58,137,024 km (0.112 R)
• M19: 66,287,714 km (0.075 R)
• M20: 69,241,973 km (0.094 R)
• M21: 80,144,666 km (0.045 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 16,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit