🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 14.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.6 AU - 0.86 AU

Year: 423 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,957,909 km

• M1: 180,415 km (0.059 R)
• M2: 637,287 km (0.107 R)
• M3: 1,093,411 km (0.114 R)
• M4: 1,954,795 km (0.1 R)
• M5: 2,410,620 km (0.112 R)
• M6: 2,909,978 km (0.029 R)
• M7: 3,756,103 km (0.104 R)
• M8: 4,281,491 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 10.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.59 AU - 1.83 AU

Year: 1517 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,957,909 km

• M1: 125,662 km (0.051 R)
• M2: 505,192 km (0.11 R)
• M3: 947,403 km (0.103 R)
• M4: 1,387,520 km (0.094 R)
• M5: 1,848,431 km (0.094 R)
• M6: 2,182,932 km (0.092 R)
• M7: 2,558,124 km (0.057 R)
• M8: 3,108,045 km (0.074 R)
• M9: 3,440,153 km (0.116 R)
• M10: 5,108,019 km (0.095 R)
• M11: 6,258,427 km (0.079 R)
• M12: 7,186,981 km (0.091 R)
• M13: 7,672,127 km (0.108 R)
• M14: 7,999,148 km (0.119 R)
• M15: 8,681,164 km (0.107 R)
• M16: 9,344,631 km (0.074 R)
• M17: 9,688,856 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 10.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.71 AU - 2.33 AU

Year: 1947 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,957,909 km

• M1: 135,685 km (0.12 R)
• M2: 512,672 km (0.111 R)
• M3: 1,572,124 km (0.112 R)
• M4: 1,992,344 km (0.085 R)
• M5: 2,842,360 km (0.045 R)
• M6: 3,605,757 km (0.093 R)
• M7: 4,174,678 km (0.092 R)
• M8: 4,885,268 km (0.111 R)
• M9: 5,908,218 km (0.118 R)
• M10: 6,521,270 km (0.093 R)
• M11: 6,882,848 km (0.112 R)
• M12: 7,618,122 km (0.074 R)
• M13: 8,465,145 km (0.081 R)
• M14: 8,896,137 km (0.054 R)
• M15: 9,602,837 km (0.037 R)
• M16: 10,003,909 km (0.104 R)
• M17: 10,661,691 km (0.091 R)
• M18: 11,496,297 km (0.091 R)
• M19: 12,295,898 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.9

Radius: 11.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.83 AU - 4.35 AU

Year: 4614 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,957,909 km

• M1: 139,276 km (0.072 R)
• M2: 539,600 km (0.119 R)
• M3: 1,047,484 km (0.119 R)
• M4: 1,408,464 km (0.066 R)
• M5: 1,805,497 km (0.112 R)
• M6: 2,320,712 km (0.111 R)
• M7: 2,701,289 km (0.096 R)
• M8: 3,106,101 km (0.049 R)
• M9: 3,689,083 km (0.102 R)
• M10: 4,081,628 km (0.092 R)
• M11: 4,502,148 km (0.113 R)
• M12: 5,378,791 km (0.114 R)
• M13: 5,749,196 km (0.116 R)
• M14: 6,511,846 km (0.078 R)
• M15: 7,088,097 km (0.052 R)
• M16: 7,566,810 km (0.089 R)
• M17: 8,447,642 km (0.119 R)
• M18: 11,373,178 km (0.099 R)
• M19: 12,345,564 km (0.075 R)
• M20: 12,712,677 km (0.084 R)
• M21: 13,760,012 km (0.099 R)
• M22: 19,133,418 km (0.117 R)
• M23: 20,000,487 km (0.092 R)
• M24: 20,443,746 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.4

Radius: 5.1

Gravity: 33.43 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.33 AU - 12.21 AU

Year: 23973 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 92,957,909 km

• M1: 65,075 km (0.113 R)
• M2: 544,387 km (0.116 R)
• M3: 1,208,452 km (0.04 R)
• M4: 1,792,182 km (0.075 R)
• M5: 2,080,906 km (0.109 R)
• M6: 2,329,089 km (0.057 R)
• M7: 2,571,587 km (0.098 R)
• M8: 3,911,236 km (0.077 R)
• M9: 5,040,999 km (0.092 R)
• M10: 5,323,440 km (0.109 R)
• M11: 6,702,882 km (0.094 R)
• M12: 7,709,825 km (0.072 R)
• M13: 9,585,484 km (0.038 R)
• M14: 9,831,722 km (0.053 R)
• M15: 11,467,425 km (0.092 R)
• M16: 13,971,693 km (0.117 R)
• M17: 14,936,151 km (0.097 R)
• M18: 15,184,034 km (0.094 R)
• M19: 15,518,685 km (0.111 R)
• M20: 15,858,421 km (0.112 R)
• M21: 18,094,610 km (0.086 R)
• M22: 18,852,473 km (0.079 R)
• M23: 20,329,902 km (0.116 R)
• M24: 25,929,500 km (0.057 R)
• M25: 26,770,240 km (0.091 R)
• M26: 27,505,214 km (0.094 R)
• M27: 28,760,041 km (0.034 R)
• M28: 29,921,519 km (0.11 R)
• M29: 34,447,902 km (0.099 R)
• M30: 36,349,739 km (0.066 R)
• M31: 37,250,468 km (0.1 R)
• M32: 38,320,243 km (0.077 R)
• M33: 57,718,449 km (0.059 R)
• M34: 59,977,826 km (0.092 R)
• M35: 68,235,927 km (0.095 R)
• M36: 84,061,437 km (0.095 R)
• M37: 87,495,007 km (0.066 R)
• M38: 89,110,664 km (0.054 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 20,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit