🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 9.5

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.5 AU - 0.54 AU

Year: 250 Days

Day: 10.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,584,602 km

• M1: 118,631 km (0.115 R)
• M2: 511,774 km (0.112 R)
• M3: 917,633 km (0.108 R)
• M4: 1,294,171 km (0.1 R)
• M5: 1,850,974 km (0.11 R)
• M6: 2,462,830 km (0.106 R)
• M7: 3,038,782 km (0.084 R)
• M8: 3,725,436 km (0.04 R)
• M9: 4,025,230 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 12.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.59 AU

Year: 257 Days

Day: 7.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,584,602 km

• M1: 153,188 km (0.071 R)
• M2: 581,936 km (0.108 R)
• M3: 1,012,030 km (0.104 R)
• M4: 1,419,983 km (0.085 R)
• M5: 2,014,485 km (0.086 R)
• M6: 2,446,224 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 14.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.54 AU - 0.54 AU

Year: 265 Days

Day: 9.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,584,602 km

• M1: 180,265 km (0.118 R)
• M2: 696,528 km (0.114 R)
• M3: 1,258,417 km (0.088 R)
• M4: 1,912,908 km (0.115 R)
• M5: 2,460,885 km (0.086 R)
• M6: 3,034,742 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 14.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,584,602 km

• M1: 180,265 km (0.051 R)
• M2: 730,337 km (0.109 R)
• M3: 1,882,390 km (0.107 R)
• M4: 2,721,036 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.3

Radius: 14.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.65 AU - 0.69 AU

Year: 366 Days

Day: 13.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,584,602 km

• M1: 176,675 km (0.113 R)
• M2: 630,555 km (0.12 R)
• M3: 1,325,138 km (0.045 R)
• M4: 1,800,261 km (0.055 R)
• M5: 2,264,463 km (0.064 R)
• M6: 2,769,655 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 10.8

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.29 AU - 2.55 AU

Year: 2510 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,584,602 km

• M1: 137,331 km (0.117 R)
• M2: 596,297 km (0.095 R)
• M3: 1,061,397 km (0.12 R)
• M4: 1,510,938 km (0.116 R)
• M5: 3,529,463 km (0.092 R)
• M6: 4,188,740 km (0.111 R)
• M7: 7,397,914 km (0.055 R)
• M8: 10,027,545 km (0.051 R)
• M9: 11,227,470 km (0.06 R)
• M10: 14,285,549 km (0.066 R)
• M11: 16,625,859 km (0.081 R)
• M12: 17,101,430 km (0.103 R)
• M13: 17,531,973 km (0.082 R)
• M14: 18,470,699 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 15

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.39 AU - 3.23 AU

Year: 3141 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,584,602 km

• M1: 187,446 km (0.113 R)
• M2: 670,647 km (0.11 R)
• M3: 1,267,543 km (0.079 R)
• M4: 2,686,479 km (0.052 R)
• M5: 3,286,964 km (0.092 R)
• M6: 4,163,458 km (0.051 R)
• M7: 4,784,589 km (0.045 R)
• M8: 6,907,831 km (0.071 R)
• M9: 8,485,341 km (0.106 R)
• M10: 9,230,787 km (0.113 R)
• M11: 10,730,954 km (0.09 R)
• M12: 12,794,208 km (0.11 R)
• M13: 15,110,582 km (0.068 R)
• M14: 15,783,323 km (0.108 R)
• M15: 16,912,338 km (0.075 R)
• M16: 19,694,709 km (0.109 R)
• M17: 20,939,513 km (0.068 R)
• M18: 21,451,886 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.1

Radius: 5.8

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.32 AU - 9.48 AU

Year: 19219 Days

Day: 16.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,584,602 km

• M1: 73,303 km (0.103 R)
• M2: 282,590 km (0.117 R)
• M3: 588,069 km (0.12 R)
• M4: 805,585 km (0.08 R)
• M5: 987,346 km (0.084 R)
• M6: 1,567,636 km (0.071 R)
• M7: 2,293,335 km (0.065 R)
• M8: 3,528,565 km (0.057 R)
• M9: 3,967,036 km (0.102 R)
• M10: 4,349,408 km (0.045 R)
• M11: 4,788,329 km (0.082 R)
• M12: 7,178,603 km (0.113 R)
• M13: 7,393,576 km (0.099 R)
• M14: 9,119,935 km (0.054 R)
• M15: 10,593,025 km (0.115 R)
• M16: 11,737,748 km (0.092 R)
• M17: 12,899,376 km (0.051 R)
• M18: 14,541,960 km (0.104 R)
• M19: 15,449,122 km (0.12 R)
• M20: 15,663,645 km (0.099 R)
• M21: 16,393,234 km (0.057 R)
• M22: 16,766,331 km (0.092 R)
• M23: 17,841,491 km (0.116 R)
• M24: 18,556,419 km (0.058 R)
• M25: 21,077,592 km (0.104 R)
• M26: 25,174,629 km (0.099 R)
• M27: 26,582,046 km (0.114 R)
• M28: 30,440,175 km (0.052 R)
• M29: 31,689,467 km (0.079 R)
• M30: 32,036,085 km (0.068 R)
• M31: 35,270,092 km (0.09 R)
• M32: 35,517,975 km (0.098 R)
• M33: 48,219,134 km (0.059 R)
• M34: 49,914,676 km (0.067 R)
• M35: 52,774,239 km (0.025 R)
• M36: 56,584,647 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 16,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit