🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.55 AU - 0.73 AU

Year: 331 Days

Day: 43.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,653,457 km

• M1: 279,299 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 9.1

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.84 AU - 1.14 AU

Year: 636 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,653,457 km

• M1: 113,246 km (0.1 R)
• M2: 423,811 km (0.036 R)
• M3: 718,967 km (0.101 R)
• M4: 1,283,400 km (0.073 R)
• M5: 1,821,653 km (0.117 R)
• M6: 2,111,125 km (0.111 R)
• M7: 2,577,422 km (0.11 R)
• M8: 3,209,024 km (0.102 R)
• M9: 3,968,832 km (0.073 R)
• M10: 4,697,523 km (0.104 R)
• M11: 5,094,107 km (0.09 R)
• M12: 6,559,567 km (0.115 R)
• M13: 7,119,512 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 11.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.93 AU - 1.05 AU

Year: 636 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,653,457 km

• M1: 141,669 km (0.088 R)
• M2: 530,025 km (0.062 R)
• M3: 948,151 km (0.106 R)
• M4: 1,315,115 km (0.119 R)
• M5: 1,764,058 km (0.102 R)
• M6: 2,333,128 km (0.115 R)
• M7: 3,701,201 km (0.075 R)
• M8: 4,077,739 km (0.103 R)
• M9: 5,380,886 km (0.117 R)
• M10: 5,848,978 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 8.9

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.54 AU - 3.3 AU

Year: 3222 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,653,457 km

• M1: 111,750 km (0.051 R)
• M2: 438,471 km (0.108 R)
• M3: 938,427 km (0.114 R)
• M4: 1,260,063 km (0.088 R)
• M5: 1,632,412 km (0.069 R)
• M6: 2,091,378 km (0.085 R)
• M7: 2,521,771 km (0.108 R)
• M8: 2,904,592 km (0.096 R)
• M9: 3,935,920 km (0.032 R)
• M10: 4,476,267 km (0.11 R)
• M11: 5,090,816 km (0.113 R)
• M12: 5,432,048 km (0.106 R)
• M13: 6,733,101 km (0.11 R)
• M14: 9,978,627 km (0.115 R)
• M15: 10,347,685 km (0.082 R)
• M16: 10,768,354 km (0.091 R)
• M17: 11,824,515 km (0.115 R)
• M18: 12,566,072 km (0.094 R)
• M19: 15,845,107 km (0.118 R)
• M20: 17,740,512 km (0.094 R)
• M21: 19,846,551 km (0.111 R)
• M22: 20,299,982 km (0.071 R)
• M23: 20,628,050 km (0.108 R)
• M24: 21,770,230 km (0.063 R)
• M25: 22,391,660 km (0.119 R)
• M26: 23,238,533 km (0.104 R)
• M27: 23,669,824 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 14.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.03 AU - 3.97 AU

Year: 4228 Days

Day: 15 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,653,457 km

• M1: 176,675 km (0.074 R)
• M2: 705,952 km (0.108 R)
• M3: 1,160,131 km (0.1 R)
• M4: 2,155,257 km (0.054 R)
• M5: 3,743,836 km (0.065 R)
• M6: 4,298,246 km (0.086 R)
• M7: 5,258,814 km (0.094 R)
• M8: 6,069,934 km (0.115 R)
• M9: 7,672,127 km (0.048 R)
• M10: 8,752,971 km (0.117 R)
• M11: 9,580,098 km (0.12 R)
• M12: 10,707,318 km (0.116 R)
• M13: 11,521,430 km (0.049 R)
• M14: 13,614,603 km (0.074 R)
• M15: 17,070,164 km (0.106 R)
• M16: 20,484,287 km (0.051 R)
• M17: 23,185,725 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.8

Radius: 4.8

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.21 AU - 7.49 AU

Year: 10332 Days

Day: 19.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 31,653,457 km

• M1: 59,690 km (0.063 R)
• M2: 259,702 km (0.062 R)
• M3: 439,070 km (0.04 R)
• M4: 879,037 km (0.071 R)
• M5: 1,085,333 km (0.084 R)
• M6: 1,712,447 km (0.111 R)
• M7: 2,006,855 km (0.098 R)
• M8: 2,189,664 km (0.113 R)
• M9: 2,554,084 km (0.109 R)
• M10: 3,403,052 km (0.109 R)
• M11: 3,664,101 km (0.034 R)
• M12: 3,914,827 km (0.106 R)
• M13: 4,275,358 km (0.06 R)
• M14: 4,553,460 km (0.059 R)
• M15: 5,230,540 km (0.103 R)
• M16: 5,608,125 km (0.064 R)
• M17: 5,941,429 km (0.12 R)
• M18: 6,482,674 km (0.103 R)
• M19: 6,748,360 km (0.116 R)
• M20: 9,184,112 km (0.072 R)
• M21: 11,802,973 km (0.104 R)
• M22: 12,299,787 km (0.054 R)
• M23: 12,966,395 km (0.119 R)
• M24: 14,766,058 km (0.093 R)
• M25: 16,418,366 km (0.1 R)
• M26: 17,735,725 km (0.113 R)
• M27: 19,325,651 km (0.12 R)
• M28: 19,806,608 km (0.094 R)
• M29: 21,370,505 km (0.096 R)
• M30: 21,810,921 km (0.072 R)
• M31: 23,555,232 km (0.054 R)
• M32: 24,025,119 km (0.092 R)
• M33: 24,501,289 km (0.097 R)
• M34: 25,719,016 km (0.083 R)
• M35: 26,468,800 km (0.03 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 19,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit