🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 14.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,086,870 km

• M1: 177,872 km (0.113 R)
• M2: 664,364 km (0.078 R)
• M3: 1,180,028 km (0.096 R)
• M4: 1,632,113 km (0.031 R)
• M5: 2,139,250 km (0.092 R)
• M6: 2,705,627 km (0.06 R)
• M7: 3,211,118 km (0.113 R)
• M8: 4,008,774 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.5

Radius: 13.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.62 AU - 0.66 AU

Year: 341 Days

Day: 7.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,086,870 km

• M1: 172,935 km (0.062 R)
• M2: 673,190 km (0.071 R)
• M3: 1,105,827 km (0.114 R)
• M4: 1,843,195 km (0.057 R)
• M5: 2,821,865 km (0.094 R)
• M6: 3,298,932 km (0.083 R)
• M7: 4,019,695 km (0.076 R)
• M8: 4,670,146 km (0.068 R)
• M9: 5,437,434 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 11.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.78 AU - 0.82 AU

Year: 477 Days

Day: 13.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,086,870 km

• M1: 146,157 km (0.075 R)
• M2: 542,442 km (0.069 R)
• M3: 936,183 km (0.084 R)
• M4: 1,460,374 km (0.047 R)
• M5: 2,167,823 km (0.112 R)
• M6: 2,738,838 km (0.112 R)
• M7: 3,430,728 km (0.116 R)
• M8: 4,055,149 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.5

Radius: 12.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.76 AU - 1.04 AU

Year: 569 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,086,870 km

• M1: 159,172 km (0.067 R)
• M2: 557,402 km (0.052 R)
• M3: 957,726 km (0.084 R)
• M4: 1,463,815 km (0.095 R)
• M5: 2,550,793 km (0.1 R)
• M6: 3,865,160 km (0.093 R)
• M7: 4,762,299 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 8.8

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.25 AU - 1.49 AU

Year: 1069 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,086,870 km

• M1: 111,151 km (0.107 R)
• M2: 572,062 km (0.083 R)
• M3: 862,731 km (0.114 R)
• M4: 1,196,185 km (0.114 R)
• M5: 1,952,402 km (0.117 R)
• M6: 2,323,554 km (0.118 R)
• M7: 2,689,919 km (0.069 R)
• M8: 3,066,308 km (0.056 R)
• M9: 3,761,190 km (0.058 R)
• M10: 4,094,494 km (0.086 R)
• M11: 4,613,000 km (0.113 R)
• M12: 5,034,866 km (0.076 R)
• M13: 6,022,960 km (0.043 R)
• M14: 6,364,043 km (0.066 R)
• M15: 7,388,190 km (0.061 R)
• M16: 7,939,907 km (0.115 R)
• M17: 9,454,286 km (0.098 R)
• M18: 10,009,893 km (0.029 R)
• M19: 10,327,938 km (0.078 R)
• M20: 11,084,903 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 8.7

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.99 AU - 2.77 AU

Year: 2448 Days

Day: 13.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,086,870 km

• M1: 108,458 km (0.093 R)
• M2: 383,270 km (0.12 R)
• M3: 673,041 km (0.055 R)
• M4: 952,490 km (0.094 R)
• M5: 1,238,222 km (0.079 R)
• M6: 2,144,635 km (0.109 R)
• M7: 2,421,990 km (0.04 R)
• M8: 3,608,151 km (0.115 R)
• M9: 4,627,361 km (0.061 R)
• M10: 5,216,029 km (0.068 R)
• M11: 5,748,448 km (0.081 R)
• M12: 6,041,510 km (0.033 R)
• M13: 7,755,752 km (0.086 R)
• M14: 8,213,821 km (0.064 R)
• M15: 8,759,255 km (0.082 R)
• M16: 10,462,725 km (0.045 R)
• M17: 10,820,264 km (0.072 R)
• M18: 11,434,214 km (0.094 R)
• M19: 12,731,527 km (0.089 R)
• M20: 13,047,777 km (0.118 R)
• M21: 13,415,787 km (0.103 R)
• M22: 14,907,278 km (0.081 R)
• M23: 15,667,385 km (0.113 R)
• M24: 16,882,718 km (0.11 R)
• M25: 17,209,739 km (0.097 R)

Asteroid Belt

Center: 2.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 9.1

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.31 AU - 3.83 AU

Year: 3587 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,086,870 km

• M1: 126,111 km (0.117 R)
• M2: 409,599 km (0.088 R)
• M3: 831,615 km (0.068 R)
• M4: 1,309,729 km (0.113 R)
• M5: 1,812,229 km (0.103 R)
• M6: 2,423,785 km (0.09 R)
• M7: 3,601,419 km (0.093 R)
• M8: 4,708,443 km (0.085 R)
• M9: 5,225,005 km (0.045 R)
• M10: 5,670,358 km (0.035 R)
• M11: 6,518,278 km (0.11 R)
• M12: 8,012,911 km (0.111 R)
• M13: 9,840,698 km (0.102 R)
• M14: 10,398,847 km (0.074 R)
• M15: 11,104,500 km (0.085 R)
• M16: 11,404,294 km (0.115 R)
• M17: 11,841,868 km (0.066 R)
• M18: 13,032,219 km (0.096 R)
• M19: 13,901,831 km (0.105 R)
• M20: 14,502,616 km (0.037 R)
• M21: 17,945,162 km (0.093 R)
• M22: 19,886,643 km (0.032 R)
• M23: 20,521,088 km (0.118 R)
• M24: 22,166,216 km (0.098 R)
• M25: 22,710,602 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.1

Radius: 8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.95 AU - 3.31 AU

Year: 3693 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,086,870 km

• M1: 117,434 km (0.116 R)
• M2: 379,380 km (0.1 R)
• M3: 629,657 km (0.111 R)
• M4: 1,475,334 km (0.066 R)
• M5: 3,233,558 km (0.12 R)
• M6: 6,252,742 km (0.111 R)
• M7: 11,799,981 km (0.094 R)
• M8: 12,978,812 km (0.112 R)
• M9: 14,776,530 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.2

Radius: 13.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.16 AU - 6.68 AU

Year: 8415 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,086,870 km

• M1: 172,786 km (0.073 R)
• M2: 875,148 km (0.085 R)
• M3: 1,507,947 km (0.072 R)
• M4: 2,290,493 km (0.12 R)
• M5: 3,393,029 km (0.106 R)
• M6: 4,432,735 km (0.096 R)
• M7: 4,958,571 km (0.101 R)
• M8: 6,997,740 km (0.117 R)
• M9: 8,166,249 km (0.08 R)
• M10: 9,418,532 km (0.038 R)
• M11: 10,656,305 km (0.101 R)
• M12: 12,049,809 km (0.115 R)
• M13: 16,646,054 km (0.113 R)
• M14: 18,854,867 km (0.105 R)
• M15: 20,029,659 km (0.069 R)
• M16: 22,908,520 km (0.082 R)
• M17: 24,406,593 km (0.113 R)
• M18: 30,026,686 km (0.103 R)
• M19: 31,436,347 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 16,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit