🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 13.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.58 AU - 0.96 AU

Year: 458 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,119,999 km

• M1: 170,392 km (0.114 R)
• M2: 610,958 km (0.101 R)
• M3: 1,175,091 km (0.041 R)
• M4: 1,927,120 km (0.072 R)
• M5: 3,127,792 km (0.044 R)
• M6: 3,874,435 km (0.108 R)
• M7: 4,396,233 km (0.112 R)
• M8: 4,921,620 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.2

Radius: 10.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.87 AU - 1.25 AU

Year: 740 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,119,999 km

• M1: 129,402 km (0.076 R)
• M2: 547,229 km (0.102 R)
• M3: 913,744 km (0.099 R)
• M4: 1,241,662 km (0.113 R)
• M5: 2,120,849 km (0.073 R)
• M6: 2,876,019 km (0.103 R)
• M7: 3,409,635 km (0.084 R)
• M8: 4,237,659 km (0.08 R)
• M9: 6,308,243 km (0.111 R)
• M10: 6,659,798 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.9

Radius: 10

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.02 AU - 1.14 AU

Year: 761 Days

Day: 12.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,119,999 km

• M1: 125,513 km (0.107 R)
• M2: 457,171 km (0.111 R)
• M3: 807,829 km (0.084 R)
• M4: 1,309,580 km (0.064 R)
• M5: 1,679,087 km (0.094 R)
• M6: 2,128,329 km (0.096 R)
• M7: 3,034,742 km (0.064 R)
• M8: 3,504,629 km (0.095 R)
• M9: 4,053,803 km (0.081 R)
• M10: 4,850,861 km (0.066 R)
• M11: 5,631,013 km (0.098 R)
• M12: 7,896,972 km (0.108 R)
• M13: 8,450,185 km (0.03 R)
• M14: 8,868,611 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 14

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.44 AU - 2 AU

Year: 1530 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,119,999 km

• M1: 174,581 km (0.054 R)
• M2: 819,946 km (0.068 R)
• M3: 1,325,138 km (0.072 R)
• M4: 1,890,767 km (0.067 R)
• M5: 2,372,173 km (0.104 R)
• M6: 2,921,646 km (0.092 R)
• M7: 3,506,424 km (0.116 R)
• M8: 4,609,410 km (0.068 R)
• M9: 6,099,255 km (0.077 R)
• M10: 6,981,583 km (0.115 R)
• M11: 7,719,101 km (0.105 R)
• M12: 8,813,708 km (0.068 R)
• M13: 9,942,125 km (0.09 R)
• M14: 10,558,767 km (0.076 R)
• M15: 12,251,766 km (0.104 R)
• M16: 12,880,975 km (0.071 R)
• M17: 14,076,711 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.3

Radius: 13.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4 AU - 6.46 AU

Year: 8112 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,119,999 km

• M1: 169,195 km (0.094 R)
• M2: 618,138 km (0.079 R)
• M3: 1,114,803 km (0.075 R)
• M4: 1,961,677 km (0.12 R)
• M5: 2,768,009 km (0.098 R)
• M6: 4,408,948 km (0.096 R)
• M7: 4,979,964 km (0.045 R)
• M8: 6,376,310 km (0.08 R)
• M9: 12,073,446 km (0.098 R)
• M10: 13,486,996 km (0.117 R)
• M11: 17,326,425 km (0.12 R)
• M12: 22,085,134 km (0.091 R)
• M13: 26,433,495 km (0.086 R)
• M14: 28,322,318 km (0.077 R)
• M15: 29,299,790 km (0.065 R)
• M16: 30,910,361 km (0.101 R)
• M17: 37,594,394 km (0.115 R)
• M18: 39,615,910 km (0.111 R)
• M19: 40,714,856 km (0.074 R)

Asteroid Belt

Center: 7.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.6

Radius: 5.3

Gravity: 20.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.66 AU - 11.22 AU

Year: 21255 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,119,999 km

• M1: 65,973 km (0.1 R)
• M2: 230,830 km (0.036 R)
• M3: 731,683 km (0.078 R)
• M4: 943,813 km (0.026 R)
• M5: 1,142,928 km (0.098 R)
• M6: 1,354,908 km (0.06 R)
• M7: 1,731,147 km (0.118 R)
• M8: 2,153,761 km (0.1 R)
• M9: 2,887,538 km (0.092 R)
• M10: 4,023,884 km (0.109 R)
• M11: 4,282,538 km (0.035 R)
• M12: 4,518,005 km (0.117 R)
• M13: 4,762,149 km (0.113 R)
• M14: 5,353,061 km (0.106 R)
• M15: 8,734,720 km (0.055 R)
• M16: 9,113,951 km (0.076 R)
• M17: 9,789,535 km (0.106 R)
• M18: 10,080,653 km (0.084 R)
• M19: 10,258,076 km (0.105 R)
• M20: 12,282,584 km (0.106 R)
• M21: 12,484,989 km (0.031 R)
• M22: 13,035,958 km (0.114 R)
• M23: 14,112,166 km (0.061 R)
• M24: 14,938,245 km (0.12 R)
• M25: 18,301,804 km (0.106 R)
• M26: 18,833,026 km (0.099 R)
• M27: 19,833,237 km (0.11 R)
• M28: 26,030,777 km (0.055 R)
• M29: 27,846,896 km (0.091 R)
• M30: 32,624,304 km (0.106 R)
• M31: 39,218,578 km (0.078 R)
• M32: 40,248,858 km (0.047 R)
• M33: 43,447,859 km (0.025 R)
• M34: 43,918,344 km (0.116 R)
• M35: 47,638,245 km (0.074 R)
• M36: 53,513,552 km (0.089 R)
• M37: 54,416,375 km (0.104 R)
• M38: 55,513,077 km (0.058 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: 501 - 12,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit