🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 8.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.61 AU - 0.79 AU

Year: 384 Days

Day: 5 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,244,400 km

• M1: 102,175 km (0.045 R)
• M2: 390,899 km (0.097 R)
• M3: 846,126 km (0.119 R)
• M4: 1,190,949 km (0.035 R)
• M5: 1,591,572 km (0.112 R)
• M6: 2,000,722 km (0.092 R)
• M7: 2,269,400 km (0.114 R)
• M8: 2,683,187 km (0.041 R)
• M9: 3,185,687 km (0.108 R)
• M10: 3,459,600 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.64 AU - 0.9 AU

Year: 443 Days

Day: 11.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,244,400 km

• M1: 101,577 km (0.115 R)
• M2: 379,979 km (0.112 R)
• M3: 698,472 km (0.108 R)
• M4: 952,190 km (0.104 R)
• M5: 1,649,466 km (0.112 R)
• M6: 2,087,788 km (0.054 R)
• M7: 2,370,677 km (0.088 R)
• M8: 3,003,776 km (0.114 R)
• M9: 3,611,442 km (0.076 R)
• M10: 4,393,540 km (0.073 R)
• M11: 4,802,989 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 11

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.87 AU - 0.97 AU

Year: 579 Days

Day: 13 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,244,400 km

• M1: 136,732 km (0.114 R)
• M2: 481,556 km (0.059 R)
• M3: 891,903 km (0.057 R)
• M4: 1,402,929 km (0.084 R)
• M5: 1,765,404 km (0.079 R)
• M6: 2,112,771 km (0.047 R)
• M7: 2,862,705 km (0.069 R)
• M8: 3,253,155 km (0.087 R)
• M9: 3,691,926 km (0.091 R)
• M10: 4,764,842 km (0.063 R)
• M11: 5,219,021 km (0.119 R)
• M12: 5,633,557 km (0.09 R)
• M13: 6,178,093 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.1

Radius: 12.2

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.27 AU - 1.33 AU

Year: 972 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,244,400 km

• M1: 151,842 km (0.1 R)
• M2: 556,504 km (0.108 R)
• M3: 996,322 km (0.088 R)
• M4: 2,153,910 km (0.055 R)
• M5: 3,152,326 km (0.115 R)
• M6: 3,744,883 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 9.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.43 AU - 3.69 AU

Year: 4406 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,244,400 km

• M1: 113,246 km (0.07 R)
• M2: 496,366 km (0.06 R)
• M3: 944,860 km (0.107 R)
• M4: 1,474,287 km (0.087 R)
• M5: 1,807,591 km (0.109 R)
• M6: 2,596,570 km (0.102 R)
• M7: 2,963,534 km (0.097 R)
• M8: 4,671,194 km (0.088 R)
• M9: 5,216,627 km (0.074 R)
• M10: 5,859,449 km (0.071 R)
• M11: 6,736,093 km (0.102 R)
• M12: 7,270,307 km (0.061 R)
• M13: 8,141,715 km (0.085 R)
• M14: 9,851,469 km (0.107 R)
• M15: 10,917,503 km (0.043 R)
• M16: 12,195,069 km (0.087 R)
• M17: 14,887,382 km (0.066 R)
• M18: 16,623,764 km (0.115 R)
• M19: 17,834,310 km (0.11 R)
• M20: 19,288,401 km (0.086 R)
• M21: 22,020,807 km (0.047 R)
• M22: 23,196,646 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 9.8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.88 AU - 4.66 AU

Year: 4802 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,244,400 km

• M1: 121,922 km (0.071 R)
• M2: 490,382 km (0.091 R)
• M3: 1,121,685 km (0.064 R)
• M4: 1,748,350 km (0.038 R)
• M5: 2,082,103 km (0.099 R)
• M6: 2,611,231 km (0.113 R)
• M7: 3,475,159 km (0.03 R)
• M8: 4,031,663 km (0.102 R)
• M9: 5,940,681 km (0.068 R)
• M10: 6,904,989 km (0.089 R)
• M11: 7,318,777 km (0.062 R)
• M12: 8,858,887 km (0.106 R)
• M13: 10,559,366 km (0.111 R)
• M14: 12,416,922 km (0.059 R)
• M15: 13,291,172 km (0.118 R)
• M16: 15,219,489 km (0.12 R)
• M17: 18,681,932 km (0.085 R)
• M18: 20,808,316 km (0.092 R)
• M19: 21,673,141 km (0.11 R)
• M20: 22,262,856 km (0.08 R)
• M21: 23,628,984 km (0.109 R)
• M22: 25,130,647 km (0.037 R)
• M23: 27,372,670 km (0.09 R)
• M24: 28,148,784 km (0.09 R)
• M25: 29,117,131 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.1

Radius: 14.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.63 AU - 4.75 AU

Year: 5626 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,244,400 km

• M1: 177,872 km (0.077 R)
• M2: 704,905 km (0.109 R)
• M3: 1,386,772 km (0.117 R)
• M4: 1,943,725 km (0.098 R)
• M5: 2,462,082 km (0.12 R)
• M6: 2,967,423 km (0.08 R)
• M7: 4,439,915 km (0.086 R)
• M8: 5,378,492 km (0.082 R)
• M9: 7,351,688 km (0.104 R)
• M10: 8,923,962 km (0.042 R)
• M11: 10,584,498 km (0.108 R)
• M12: 11,268,609 km (0.091 R)
• M13: 13,449,896 km (0.093 R)
• M14: 15,680,699 km (0.099 R)
• M15: 16,457,561 km (0.12 R)
• M16: 16,970,532 km (0.052 R)
• M17: 18,512,288 km (0.105 R)
• M18: 20,405,449 km (0.112 R)
• M19: 24,352,738 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 18,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit