🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.57 AU - 0.67 AU

Year: 320 Days

Day: 17.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,851,034 km

• M1: 57,894 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.54 AU - 0.74 AU

Year: 336 Days

Day: 13 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.4

Radius: 10.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.7 AU - 0.98 AU

Year: 505 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,851,034 km

• M1: 127,009 km (0.045 R)
• M2: 457,321 km (0.088 R)
• M3: 787,782 km (0.069 R)
• M4: 1,119,441 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 14.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.9 AU - 1.22 AU

Year: 716 Days

Day: 7.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,851,034 km

• M1: 177,872 km (0.117 R)
• M2: 667,805 km (0.036 R)
• M3: 1,309,879 km (0.047 R)
• M4: 2,045,152 km (0.082 R)
• M5: 2,723,728 km (0.104 R)
• M6: 3,200,497 km (0.078 R)
• M7: 3,678,462 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.4

Radius: 13.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.31 AU - 1.39 AU

Year: 1029 Days

Day: 6.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,851,034 km

• M1: 170,392 km (0.03 R)
• M2: 694,284 km (0.041 R)
• M3: 1,136,046 km (0.114 R)
• M4: 1,703,770 km (0.098 R)
• M5: 2,164,083 km (0.081 R)
• M6: 2,820,219 km (0.063 R)
• M7: 3,458,553 km (0.09 R)
• M8: 4,482,102 km (0.101 R)
• M9: 5,141,529 km (0.119 R)
• M10: 6,120,946 km (0.117 R)
• M11: 7,641,160 km (0.08 R)
• M12: 8,077,537 km (0.083 R)
• M13: 9,284,941 km (0.054 R)
• M14: 10,546,799 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 9.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.43 AU - 3.37 AU

Year: 3240 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,851,034 km

• M1: 127,158 km (0.065 R)
• M2: 509,830 km (0.099 R)
• M3: 979,567 km (0.028 R)
• M4: 1,373,009 km (0.037 R)
• M5: 1,793,230 km (0.066 R)
• M6: 3,316,884 km (0.11 R)
• M7: 3,908,843 km (0.101 R)
• M8: 4,485,692 km (0.081 R)
• M9: 5,564,442 km (0.041 R)
• M10: 6,374,216 km (0.032 R)
• M11: 6,780,075 km (0.038 R)
• M12: 7,318,777 km (0.101 R)
• M13: 8,102,071 km (0.071 R)
• M14: 8,774,663 km (0.036 R)
• M15: 11,762,133 km (0.098 R)
• M16: 13,006,637 km (0.054 R)
• M17: 15,755,648 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 14.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.46 AU - 3.4 AU

Year: 3290 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,851,034 km

• M1: 180,864 km (0.047 R)
• M2: 817,104 km (0.109 R)
• M3: 1,469,649 km (0.117 R)
• M4: 1,925,175 km (0.086 R)
• M5: 2,775,639 km (0.09 R)
• M6: 3,242,683 km (0.034 R)
• M7: 3,969,430 km (0.12 R)
• M8: 4,566,774 km (0.082 R)
• M9: 5,588,827 km (0.065 R)
• M10: 6,055,273 km (0.068 R)
• M11: 6,849,937 km (0.095 R)
• M12: 8,223,694 km (0.111 R)
• M13: 9,087,323 km (0.085 R)
• M14: 9,657,291 km (0.115 R)
• M15: 10,743,670 km (0.103 R)
• M16: 11,555,837 km (0.071 R)
• M17: 12,780,146 km (0.12 R)
• M18: 14,139,542 km (0.063 R)
• M19: 14,854,321 km (0.117 R)
• M20: 15,486,072 km (0.064 R)
• M21: 16,190,828 km (0.108 R)
• M22: 16,803,581 km (0.045 R)
• M23: 18,675,050 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.5

Radius: 3.6

Gravity: 34.76 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.98 AU - 7.84 AU

Year: 11916 Days

Day: 20.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,851,034 km

• M1: 45,478 km (0.068 R)
• M2: 209,138 km (0.05 R)
• M3: 346,020 km (0.104 R)
• M4: 793,766 km (0.085 R)
• M5: 1,234,182 km (0.109 R)
• M6: 1,412,353 km (0.039 R)
• M7: 1,820,307 km (0.094 R)
• M8: 2,674,361 km (0.115 R)
• M9: 2,907,584 km (0.103 R)
• M10: 3,247,171 km (0.102 R)
• M11: 3,924,102 km (0.051 R)
• M12: 4,395,933 km (0.111 R)
• M13: 4,571,113 km (0.071 R)
• M14: 4,935,383 km (0.101 R)
• M15: 5,092,760 km (0.089 R)
• M16: 5,484,258 km (0.087 R)
• M17: 6,290,291 km (0.086 R)
• M18: 6,512,893 km (0.1 R)
• M19: 8,003,336 km (0.057 R)
• M20: 8,353,096 km (0.08 R)
• M21: 8,486,837 km (0.104 R)
• M22: 11,254,098 km (0.101 R)
• M23: 11,916,518 km (0.074 R)
• M24: 13,258,261 km (0.102 R)
• M25: 14,892,468 km (0.1 R)
• M26: 17,881,583 km (0.107 R)
• M27: 21,832,313 km (0.109 R)
• M28: 22,686,667 km (0.113 R)
• M29: 24,461,795 km (0.058 R)
• M30: 30,338,448 km (0.1 R)
• M31: 31,186,818 km (0.032 R)
• M32: 37,089,800 km (0.062 R)
• M33: 37,210,077 km (0.104 R)
• M34: 37,937,122 km (0.085 R)
• M35: 46,710,738 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 19,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit