🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.2

Radius: 11

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.47 AU - 0.67 AU

Year: 287 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,557,897 km

• M1: 136,732 km (0.072 R)
• M2: 567,874 km (0.097 R)
• M3: 1,097,001 km (0.071 R)
• M4: 1,496,727 km (0.07 R)
• M5: 2,033,783 km (0.104 R)
• M6: 2,529,850 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 14.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.27 AU - 1.95 AU

Year: 1362 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,557,897 km

• M1: 184,005 km (0.083 R)
• M2: 852,109 km (0.072 R)
• M3: 1,480,271 km (0.115 R)
• M4: 2,273,140 km (0.072 R)
• M5: 2,835,478 km (0.089 R)
• M6: 3,553,847 km (0.11 R)
• M7: 4,017,301 km (0.117 R)
• M8: 4,769,779 km (0.062 R)
• M9: 6,271,143 km (0.053 R)
• M10: 7,029,155 km (0.109 R)
• M11: 8,041,035 km (0.075 R)
• M12: 8,582,430 km (0.064 R)
• M13: 9,549,281 km (0.044 R)
• M14: 11,700,349 km (0.086 R)
• M15: 12,322,377 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.6

Radius: 11.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.16 AU - 2.32 AU

Year: 2236 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,557,897 km

• M1: 141,819 km (0.032 R)
• M2: 519,703 km (0.06 R)
• M3: 923,468 km (0.115 R)
• M4: 1,282,353 km (0.107 R)
• M5: 2,229,158 km (0.093 R)
• M6: 3,298,483 km (0.113 R)
• M7: 4,363,321 km (0.105 R)
• M8: 5,471,692 km (0.072 R)
• M9: 5,842,844 km (0.118 R)
• M10: 6,709,614 km (0.11 R)
• M11: 8,523,488 km (0.1 R)
• M12: 9,084,032 km (0.111 R)
• M13: 11,898,566 km (0.096 R)
• M14: 12,375,185 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.8

Radius: 9.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.3 AU - 2.3 AU

Year: 2326 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,557,897 km

• M1: 122,072 km (0.116 R)
• M2: 466,147 km (0.045 R)
• M3: 807,230 km (0.105 R)
• M4: 1,138,589 km (0.084 R)
• M5: 1,506,151 km (0.053 R)
• M6: 2,125,187 km (0.12 R)
• M7: 2,435,154 km (0.064 R)
• M8: 2,747,066 km (0.089 R)
• M9: 3,194,513 km (0.116 R)
• M10: 3,920,362 km (0.113 R)
• M11: 4,983,255 km (0.063 R)
• M12: 6,607,888 km (0.095 R)
• M13: 8,315,398 km (0.074 R)
• M14: 8,651,993 km (0.071 R)
• M15: 9,683,620 km (0.088 R)
• M16: 10,759,228 km (0.095 R)
• M17: 11,085,950 km (0.062 R)
• M18: 11,683,145 km (0.094 R)
• M19: 12,420,064 km (0.057 R)
• M20: 13,187,651 km (0.079 R)
• M21: 14,158,690 km (0.079 R)
• M22: 14,463,571 km (0.057 R)
• M23: 14,861,950 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.8

Radius: 9.5

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.99 AU - 2.67 AU

Year: 2372 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,557,897 km

• M1: 118,182 km (0.093 R)
• M2: 425,606 km (0.09 R)
• M3: 782,247 km (0.103 R)
• M4: 1,278,463 km (0.065 R)
• M5: 2,050,688 km (0.085 R)
• M6: 3,686,989 km (0.096 R)
• M7: 3,983,193 km (0.117 R)
• M8: 5,531,980 km (0.083 R)
• M9: 5,948,161 km (0.064 R)
• M10: 6,385,286 km (0.112 R)
• M11: 6,698,095 km (0.112 R)
• M12: 7,794,348 km (0.086 R)
• M13: 8,385,559 km (0.057 R)
• M14: 9,546,439 km (0.07 R)
• M15: 9,994,185 km (0.06 R)
• M16: 10,731,702 km (0.106 R)
• M17: 11,052,889 km (0.041 R)
• M18: 11,588,599 km (0.028 R)
• M19: 12,756,360 km (0.103 R)
• M20: 13,117,040 km (0.115 R)
• M21: 13,438,227 km (0.076 R)
• M22: 17,491,282 km (0.084 R)
• M23: 18,275,773 km (0.042 R)
• M24: 19,734,802 km (0.074 R)
• M25: 20,278,590 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 12.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.76 AU - 3.28 AU

Year: 3500 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,557,897 km

• M1: 154,235 km (0.082 R)
• M2: 612,902 km (0.093 R)
• M3: 1,247,197 km (0.118 R)
• M4: 1,680,732 km (0.104 R)
• M5: 2,832,336 km (0.045 R)
• M6: 3,452,120 km (0.041 R)
• M7: 4,431,837 km (0.046 R)
• M8: 4,918,180 km (0.077 R)
• M9: 5,638,942 km (0.071 R)
• M10: 6,764,965 km (0.029 R)
• M11: 7,442,195 km (0.067 R)
• M12: 8,003,336 km (0.072 R)
• M13: 8,659,922 km (0.088 R)
• M14: 10,613,071 km (0.035 R)
• M15: 11,124,098 km (0.086 R)
• M16: 12,110,845 km (0.095 R)
• M17: 13,837,504 km (0.087 R)
• M18: 14,352,869 km (0.113 R)
• M19: 15,572,091 km (0.101 R)
• M20: 16,232,715 km (0.07 R)
• M21: 16,806,274 km (0.079 R)
• M22: 18,439,583 km (0.12 R)
• M23: 19,064,154 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.5

Radius: 4.2

Gravity: 27.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.54 AU - 10.56 AU

Year: 18155 Days

Day: 18.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,557,897 km

• M1: 55,501 km (0.054 R)
• M2: 293,361 km (0.08 R)
• M3: 1,344,286 km (0.099 R)
• M4: 1,553,574 km (0.096 R)
• M5: 2,113,668 km (0.08 R)
• M6: 3,648,094 km (0.11 R)
• M7: 3,877,577 km (0.116 R)
• M8: 6,233,594 km (0.068 R)
• M9: 7,895,626 km (0.104 R)
• M10: 16,083,417 km (0.104 R)
• M11: 16,856,389 km (0.073 R)
• M12: 18,981,875 km (0.077 R)
• M13: 28,819,282 km (0.081 R)
• M14: 29,498,905 km (0.116 R)
• M15: 30,889,866 km (0.099 R)
• M16: 44,370,579 km (0.113 R)
• M17: 49,342,314 km (0.049 R)
• M18: 50,640,674 km (0.11 R)
• M19: 57,654,421 km (0.076 R)
• M20: 61,671,722 km (0.087 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: 491 - 16,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit