🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.42 AU - 0.66 AU

Year: 256 Days

Day: 34.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,864,311 km

• M1: 168,298 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 9.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.88 AU - 1.18 AU

Year: 675 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,864,311 km

• M1: 123,119 km (0.072 R)
• M2: 499,358 km (0.054 R)
• M3: 820,544 km (0.09 R)
• M4: 1,492,239 km (0.106 R)
• M5: 1,915,002 km (0.039 R)
• M6: 2,857,918 km (0.108 R)
• M7: 3,302,373 km (0.102 R)
• M8: 4,055,748 km (0.096 R)
• M9: 5,149,458 km (0.06 R)
• M10: 5,792,280 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 8.2

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.93 AU - 1.13 AU

Year: 675 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 91.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,864,311 km

• M1: 102,624 km (0.106 R)
• M2: 367,861 km (0.09 R)
• M3: 732,132 km (0.09 R)
• M4: 1,010,833 km (0.061 R)
• M5: 1,311,674 km (0.108 R)
• M6: 1,723,068 km (0.083 R)
• M7: 2,128,329 km (0.111 R)
• M8: 2,472,853 km (0.077 R)
• M9: 3,040,726 km (0.039 R)
• M10: 3,521,384 km (0.081 R)
• M11: 3,884,309 km (0.038 R)
• M12: 4,600,883 km (0.073 R)
• M13: 5,787,343 km (0.115 R)
• M14: 6,190,360 km (0.042 R)
• M15: 7,007,912 km (0.081 R)
• M16: 7,583,714 km (0.103 R)
• M17: 8,140,967 km (0.088 R)
• M18: 8,751,326 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 11.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.28 AU - 1.4 AU

Year: 1002 Days

Day: 13.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,864,311 km

• M1: 148,102 km (0.101 R)
• M2: 679,025 km (0.111 R)
• M3: 1,232,537 km (0.109 R)
• M4: 1,697,487 km (0.074 R)
• M5: 2,395,660 km (0.104 R)
• M6: 3,041,624 km (0.102 R)
• M7: 3,830,753 km (0.086 R)
• M8: 4,596,993 km (0.119 R)
• M9: 5,126,121 km (0.071 R)
• M10: 5,975,687 km (0.079 R)
• M11: 6,434,354 km (0.09 R)
• M12: 7,212,861 km (0.052 R)
• M13: 8,330,357 km (0.086 R)
• M14: 8,718,714 km (0.068 R)
• M15: 9,091,960 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 10.1

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.75 AU - 1.87 AU

Year: 1572 Days

Day: 10.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,864,311 km

• M1: 125,662 km (0.057 R)
• M2: 495,618 km (0.038 R)
• M3: 839,693 km (0.108 R)
• M4: 1,161,627 km (0.118 R)
• M5: 1,730,847 km (0.09 R)
• M6: 2,046,798 km (0.098 R)
• M7: 2,715,351 km (0.057 R)
• M8: 3,362,511 km (0.101 R)
• M9: 3,808,612 km (0.088 R)
• M10: 5,236,973 km (0.09 R)
• M11: 5,769,242 km (0.055 R)
• M12: 6,812,687 km (0.102 R)
• M13: 7,420,354 km (0.041 R)
• M14: 8,237,457 km (0.098 R)
• M15: 8,958,070 km (0.07 R)
• M16: 10,016,924 km (0.107 R)
• M17: 12,343,470 km (0.085 R)
• M18: 13,006,936 km (0.119 R)
• M19: 13,776,318 km (0.059 R)
• M20: 14,109,174 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.7

Radius: 10.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.91 AU - 2.55 AU

Year: 2150 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,864,311 km

• M1: 127,009 km (0.063 R)
• M2: 460,462 km (0.086 R)
• M3: 816,804 km (0.115 R)
• M4: 1,227,899 km (0.118 R)
• M5: 1,897,649 km (0.086 R)
• M6: 2,441,736 km (0.052 R)
• M7: 2,931,071 km (0.085 R)
• M8: 3,382,408 km (0.113 R)
• M9: 3,824,320 km (0.072 R)
• M10: 4,738,213 km (0.052 R)
• M11: 5,133,301 km (0.1 R)
• M12: 6,665,632 km (0.117 R)
• M13: 7,276,590 km (0.036 R)
• M14: 8,200,357 km (0.105 R)
• M15: 12,236,208 km (0.076 R)
• M16: 13,453,187 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.5

Radius: 6.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 9.38 AU - 13.08 AU

Year: 24299 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,864,311 km

• M1: 92,152 km (0.075 R)
• M2: 295,157 km (0.086 R)
• M3: 663,766 km (0.045 R)
• M4: 1,384,528 km (0.091 R)
• M5: 3,128,690 km (0.091 R)
• M6: 3,442,845 km (0.097 R)
• M7: 4,165,104 km (0.037 R)
• M8: 4,846,373 km (0.094 R)
• M9: 5,089,170 km (0.09 R)
• M10: 7,655,970 km (0.081 R)
• M11: 10,510,298 km (0.111 R)
• M12: 11,396,964 km (0.091 R)
• M13: 17,063,432 km (0.086 R)
• M14: 17,708,349 km (0.099 R)
• M15: 20,004,826 km (0.074 R)
• M16: 22,017,067 km (0.096 R)
• M17: 25,076,193 km (0.095 R)
• M18: 31,061,006 km (0.107 R)
• M19: 31,299,315 km (0.067 R)
• M20: 32,509,263 km (0.12 R)
• M21: 38,615,549 km (0.084 R)
• M22: 40,430,321 km (0.075 R)
• M23: 42,009,625 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 13,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit