🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 8.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.76 AU - 0.76 AU

Year: 435 Days

Day: 11.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,961,921 km

• M1: 108,159 km (0.112 R)
• M2: 390,899 km (0.117 R)
• M3: 888,761 km (0.115 R)
• M4: 2,901,899 km (0.1 R)
• M5: 3,523,329 km (0.055 R)
• M6: 3,908,095 km (0.096 R)
• M7: 4,294,955 km (0.04 R)
• M8: 4,611,803 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 10.7

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.16 AU - 1.62 AU

Year: 1075 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,961,921 km

• M1: 133,142 km (0.063 R)
• M2: 495,019 km (0.095 R)
• M3: 947,852 km (0.071 R)
• M4: 1,464,114 km (0.043 R)
• M5: 2,281,517 km (0.056 R)
• M6: 2,805,558 km (0.101 R)
• M7: 3,423,248 km (0.107 R)
• M8: 3,835,989 km (0.092 R)
• M9: 4,892,598 km (0.081 R)
• M10: 6,045,699 km (0.102 R)
• M11: 6,768,107 km (0.111 R)
• M12: 7,346,751 km (0.09 R)
• M13: 7,854,038 km (0.106 R)
• M14: 8,548,322 km (0.044 R)
• M15: 9,052,466 km (0.082 R)
• M16: 9,845,933 km (0.104 R)
• M17: 10,213,196 km (0.114 R)
• M18: 10,845,696 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 9.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.6 AU - 2.2 AU

Year: 1718 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,961,921 km

• M1: 118,182 km (0.062 R)
• M2: 487,091 km (0.1 R)
• M3: 1,359,246 km (0.119 R)
• M4: 1,819,559 km (0.115 R)
• M5: 2,430,217 km (0.028 R)
• M6: 2,776,985 km (0.101 R)
• M7: 3,336,930 km (0.053 R)
• M8: 3,684,895 km (0.059 R)
• M9: 4,361,825 km (0.096 R)
• M10: 12,792,563 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60

Radius: 10.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.12 AU - 5.5 AU

Year: 6920 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,961,921 km

• M1: 133,441 km (0.078 R)
• M2: 601,832 km (0.061 R)
• M3: 1,794,277 km (0.098 R)
• M4: 2,749,160 km (0.079 R)
• M5: 3,457,656 km (0.11 R)
• M6: 4,323,528 km (0.108 R)
• M7: 8,340,979 km (0.072 R)
• M8: 12,998,260 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.1

Radius: 7.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.78 AU - 8 AU

Year: 14539 Days

Day: 16.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,961,921 km

• M1: 108,159 km (0.11 R)
• M2: 490,232 km (0.12 R)
• M3: 774,917 km (0.107 R)
• M4: 1,057,358 km (0.095 R)
• M5: 1,302,399 km (0.066 R)
• M6: 2,177,995 km (0.117 R)
• M7: 5,316,559 km (0.079 R)
• M8: 5,626,376 km (0.052 R)
• M9: 6,080,256 km (0.081 R)
• M10: 6,734,896 km (0.092 R)
• M11: 7,061,019 km (0.119 R)
• M12: 7,550,653 km (0.098 R)
• M13: 9,025,090 km (0.103 R)
• M14: 9,738,223 km (0.077 R)
• M15: 12,050,707 km (0.081 R)
• M16: 21,062,931 km (0.099 R)
• M17: 23,864,750 km (0.028 R)
• M18: 26,366,774 km (0.085 R)
• M19: 32,190,320 km (0.115 R)
• M20: 32,805,616 km (0.048 R)
• M21: 33,743,146 km (0.066 R)
• M22: 35,453,947 km (0.119 R)
• M23: 36,220,337 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.3

Radius: 5.7

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.16 AU - 9.96 AU

Year: 16429 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,961,921 km

• M1: 70,909 km (0.079 R)
• M2: 312,510 km (0.11 R)
• M3: 891,454 km (0.108 R)
• M4: 1,616,704 km (0.115 R)
• M5: 2,021,815 km (0.119 R)
• M6: 2,742,129 km (0.108 R)
• M7: 3,032,199 km (0.115 R)
• M8: 3,621,166 km (0.103 R)
• M9: 4,582,183 km (0.073 R)
• M10: 4,894,693 km (0.082 R)
• M11: 5,702,671 km (0.072 R)
• M12: 6,138,449 km (0.07 R)
• M13: 7,928,238 km (0.1 R)
• M14: 8,151,438 km (0.109 R)
• M15: 9,782,205 km (0.073 R)
• M16: 11,733,709 km (0.028 R)
• M17: 13,046,131 km (0.08 R)
• M18: 13,930,404 km (0.111 R)
• M19: 14,255,779 km (0.055 R)
• M20: 14,921,640 km (0.084 R)
• M21: 19,358,563 km (0.061 R)
• M22: 21,874,949 km (0.097 R)
• M23: 23,853,231 km (0.107 R)
• M24: 24,318,929 km (0.062 R)
• M25: 27,647,930 km (0.099 R)
• M26: 32,732,313 km (0.091 R)
• M27: 33,076,538 km (0.093 R)
• M28: 33,655,482 km (0.094 R)
• M29: 39,045,643 km (0.094 R)
• M30: 41,007,170 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 15,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit