🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.7

Radius: 14.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.76 AU - 1.08 AU

Year: 588 Days

Day: 12.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,412,917 km

• M1: 176,525 km (0.1 R)
• M2: 645,066 km (0.085 R)
• M3: 1,216,679 km (0.065 R)
• M4: 1,673,402 km (0.105 R)
• M5: 2,323,255 km (0.094 R)
• M6: 2,940,795 km (0.052 R)
• M7: 3,395,423 km (0.103 R)
• M8: 4,037,347 km (0.097 R)
• M9: 4,479,110 km (0.078 R)
• M10: 5,068,675 km (0.096 R)
• M11: 5,513,579 km (0.076 R)
• M12: 6,803,262 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 8.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.09 AU - 2.61 AU

Year: 2402 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,412,917 km

• M1: 106,962 km (0.052 R)
• M2: 389,104 km (0.114 R)
• M3: 655,687 km (0.064 R)
• M4: 1,023,549 km (0.052 R)
• M5: 1,298,061 km (0.109 R)
• M6: 1,732,194 km (0.059 R)
• M7: 2,163,634 km (0.118 R)
• M8: 2,543,014 km (0.08 R)
• M9: 3,026,365 km (0.105 R)
• M10: 3,322,419 km (0.051 R)
• M11: 3,758,946 km (0.042 R)
• M12: 4,101,824 km (0.103 R)
• M13: 4,913,392 km (0.117 R)
• M14: 5,480,967 km (0.102 R)
• M15: 6,263,513 km (0.093 R)
• M16: 6,566,000 km (0.101 R)
• M17: 7,118,615 km (0.101 R)
• M18: 8,167,595 km (0.117 R)
• M19: 10,116,556 km (0.103 R)
• M20: 14,599,406 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 10.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.26 AU - 2.86 AU

Year: 2731 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,412,917 km

• M1: 133,142 km (0.068 R)
• M2: 632,051 km (0.058 R)
• M3: 1,020,856 km (0.037 R)
• M4: 2,421,990 km (0.058 R)
• M5: 2,802,118 km (0.109 R)
• M6: 3,255,549 km (0.048 R)
• M7: 4,098,682 km (0.092 R)
• M8: 5,172,346 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.1

Radius: 8.4

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.28 AU - 4.46 AU

Year: 5077 Days

Day: 6.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,412,917 km

• M1: 107,561 km (0.116 R)
• M2: 399,576 km (0.093 R)
• M3: 791,373 km (0.102 R)
• M4: 1,263,354 km (0.086 R)
• M5: 1,786,797 km (0.07 R)
• M6: 2,281,218 km (0.104 R)
• M7: 3,221,889 km (0.086 R)
• M8: 4,100,478 km (0.082 R)
• M9: 5,187,456 km (0.103 R)
• M10: 5,599,448 km (0.087 R)
• M11: 8,228,182 km (0.109 R)
• M12: 9,461,317 km (0.106 R)
• M13: 10,122,091 km (0.114 R)
• M14: 12,392,538 km (0.045 R)
• M15: 18,045,243 km (0.103 R)
• M16: 20,617,878 km (0.108 R)
• M17: 21,877,941 km (0.067 R)
• M18: 26,477,926 km (0.052 R)
• M19: 26,909,815 km (0.079 R)
• M20: 27,434,155 km (0.031 R)
• M21: 28,233,606 km (0.105 R)
• M22: 29,600,332 km (0.107 R)
• M23: 30,535,618 km (0.1 R)
• M24: 33,159,266 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.29 AU - 5.33 AU

Year: 5967 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,412,917 km

• M1: 99,483 km (0.052 R)
• M2: 355,744 km (0.039 R)
• M3: 626,217 km (0.059 R)
• M4: 1,747,752 km (0.112 R)
• M5: 2,013,438 km (0.094 R)
• M6: 2,335,672 km (0.091 R)
• M7: 2,757,986 km (0.101 R)
• M8: 3,138,863 km (0.039 R)
• M9: 4,027,773 km (0.055 R)
• M10: 4,496,014 km (0.073 R)
• M11: 8,453,476 km (0.055 R)
• M12: 9,955,439 km (0.114 R)
• M13: 10,853,475 km (0.116 R)
• M14: 12,027,968 km (0.118 R)
• M15: 15,786,465 km (0.1 R)
• M16: 16,058,135 km (0.093 R)
• M17: 17,696,082 km (0.108 R)
• M18: 19,318,471 km (0.067 R)
• M19: 23,768,558 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.5

Radius: 3.3

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.25 AU - 7.83 AU

Year: 11153 Days

Day: 20.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,412,917 km

• M1: 55,052 km (0.107 R)
• M2: 161,416 km (0.098 R)
• M3: 310,416 km (0.072 R)
• M4: 1,072,617 km (0.086 R)
• M5: 1,229,395 km (0.076 R)
• M6: 2,559,769 km (0.058 R)
• M7: 2,739,287 km (0.106 R)
• M8: 3,703,594 km (0.045 R)
• M9: 4,997,915 km (0.101 R)
• M10: 5,304,591 km (0.062 R)
• M11: 5,842,994 km (0.046 R)
• M12: 7,412,275 km (0.112 R)
• M13: 7,576,683 km (0.106 R)
• M14: 8,650,048 km (0.119 R)
• M15: 9,586,381 km (0.08 R)
• M16: 10,382,391 km (0.097 R)
• M17: 15,295,485 km (0.12 R)
• M18: 15,939,952 km (0.057 R)
• M19: 21,693,786 km (0.111 R)
• M20: 23,692,413 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.1

Radius: 4.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.51 AU - 7.83 AU

Year: 11487 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,412,917 km

• M1: 61,036 km (0.065 R)
• M2: 279,748 km (0.081 R)
• M3: 473,178 km (0.066 R)
• M4: 1,126,472 km (0.098 R)
• M5: 1,597,556 km (0.108 R)
• M6: 3,010,807 km (0.074 R)
• M7: 4,249,328 km (0.115 R)
• M8: 6,802,963 km (0.098 R)
• M9: 7,960,252 km (0.049 R)
• M10: 8,472,924 km (0.086 R)
• M11: 9,243,054 km (0.101 R)
• M12: 9,482,859 km (0.062 R)
• M13: 10,441,034 km (0.075 R)
• M14: 11,600,118 km (0.067 R)
• M15: 12,842,229 km (0.114 R)
• M16: 13,752,383 km (0.118 R)
• M17: 19,278,378 km (0.108 R)
• M18: 19,934,066 km (0.105 R)
• M19: 21,082,978 km (0.114 R)
• M20: 22,490,245 km (0.078 R)
• M21: 26,600,596 km (0.052 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 13,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit