🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 8.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.01 AU - 1.05 AU

Year: 665 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,116,315 km

• M1: 104,419 km (0.053 R)
• M2: 402,269 km (0.081 R)
• M3: 695,181 km (0.045 R)
• M4: 1,177,036 km (0.066 R)
• M5: 1,592,170 km (0.099 R)
• M6: 1,909,916 km (0.12 R)
• M7: 2,327,892 km (0.046 R)
• M8: 3,187,931 km (0.083 R)
• M9: 3,805,620 km (0.089 R)
• M10: 4,319,339 km (0.118 R)
• M11: 4,862,380 km (0.042 R)
• M12: 5,415,443 km (0.09 R)
• M13: 6,065,745 km (0.072 R)
• M14: 6,409,970 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.1

Radius: 9.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.12 AU - 1.58 AU

Year: 997 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 102.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 34,116,315 km

• M1: 116,986 km (0.119 R)
• M2: 539,450 km (0.083 R)
• M3: 1,428,809 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.7

Radius: 13

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.24 AU - 1.98 AU

Year: 1299 Days

Day: 8.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,116,315 km

• M1: 161,715 km (0.039 R)
• M2: 781,798 km (0.103 R)
• M3: 1,478,775 km (0.111 R)
• M4: 2,025,256 km (0.076 R)
• M5: 2,439,343 km (0.082 R)
• M6: 2,991,509 km (0.085 R)
• M7: 3,510,763 km (0.087 R)
• M8: 3,951,628 km (0.027 R)
• M9: 4,917,432 km (0.096 R)

Asteroid Belt

Center: 2.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 12.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.71 AU - 3.9 AU

Year: 4710 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,116,315 km

• M1: 157,975 km (0.055 R)
• M2: 606,320 km (0.079 R)
• M3: 1,047,035 km (0.049 R)
• M4: 1,569,730 km (0.115 R)
• M5: 2,042,161 km (0.086 R)
• M6: 2,447,421 km (0.099 R)
• M7: 3,107,148 km (0.104 R)
• M8: 4,624,070 km (0.06 R)
• M9: 5,458,078 km (0.095 R)
• M10: 5,951,302 km (0.071 R)
• M11: 6,968,269 km (0.066 R)
• M12: 8,398,275 km (0.118 R)
• M13: 9,788,787 km (0.116 R)
• M14: 10,999,483 km (0.099 R)
• M15: 13,622,831 km (0.087 R)
• M16: 14,632,317 km (0.111 R)
• M17: 16,962,753 km (0.071 R)
• M18: 17,457,024 km (0.08 R)
• M19: 18,532,035 km (0.091 R)
• M20: 20,013,054 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.5

Radius: 4.6

Gravity: 39.06 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.87 AU - 9.77 AU

Year: 13904 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 34,116,315 km

• M1: 58,044 km (0.071 R)
• M2: 391,797 km (0.082 R)
• M3: 715,227 km (0.084 R)
• M4: 860,637 km (0.119 R)
• M5: 1,147,864 km (0.101 R)
• M6: 1,436,588 km (0.045 R)
• M7: 1,590,225 km (0.108 R)
• M8: 1,841,550 km (0.12 R)
• M9: 2,318,917 km (0.089 R)
• M10: 3,248,219 km (0.033 R)
• M11: 3,681,604 km (0.029 R)
• M12: 4,898,433 km (0.116 R)
• M13: 5,922,281 km (0.117 R)
• M14: 7,213,609 km (0.107 R)
• M15: 7,621,264 km (0.089 R)
• M16: 8,285,478 km (0.091 R)
• M17: 8,482,199 km (0.084 R)
• M18: 8,681,912 km (0.096 R)
• M19: 10,338,410 km (0.114 R)
• M20: 10,566,546 km (0.105 R)
• M21: 11,819,129 km (0.106 R)
• M22: 12,513,413 km (0.076 R)
• M23: 14,830,684 km (0.095 R)
• M24: 18,819,113 km (0.059 R)
• M25: 20,204,090 km (0.078 R)
• M26: 21,286,431 km (0.068 R)
• M27: 21,562,887 km (0.054 R)
• M28: 25,793,814 km (0.032 R)
• M29: 26,002,952 km (0.119 R)
• M30: 33,935,230 km (0.106 R)
• M31: 35,720,232 km (0.081 R)
• M32: 39,199,280 km (0.052 R)
• M33: 42,024,435 km (0.098 R)
• M34: 44,982,285 km (0.068 R)
• M35: 47,289,682 km (0.085 R)
• M36: 50,650,697 km (0.081 R)
• M37: 50,814,657 km (0.115 R)
• M38: 51,639,539 km (0.111 R)
• M39: 57,843,812 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.7

Radius: 7.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.37 AU - 10.29 AU

Year: 15286 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,116,315 km

• M1: 102,624 km (0.027 R)
• M2: 547,079 km (0.036 R)
• M3: 1,025,493 km (0.062 R)
• M4: 2,045,302 km (0.117 R)
• M5: 2,298,870 km (0.091 R)
• M6: 3,272,453 km (0.066 R)
• M7: 3,735,160 km (0.068 R)
• M8: 4,900,527 km (0.091 R)
• M9: 18,713,347 km (0.042 R)
• M10: 20,692,078 km (0.086 R)
• M11: 21,656,536 km (0.077 R)
• M12: 23,996,246 km (0.069 R)
• M13: 30,571,970 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 16,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit