🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.5

Radius: 8.2

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.67 AU - 1.03 AU

Year: 532 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,748,533 km

• M1: 102,325 km (0.101 R)
• M2: 474,076 km (0.099 R)
• M3: 812,466 km (0.052 R)
• M4: 1,285,195 km (0.109 R)
• M5: 1,615,208 km (0.101 R)
• M6: 1,940,135 km (0.098 R)
• M7: 2,499,780 km (0.088 R)
• M8: 2,778,631 km (0.085 R)
• M9: 4,109,902 km (0.104 R)
• M10: 4,562,735 km (0.112 R)
• M11: 5,014,820 km (0.073 R)
• M12: 5,390,909 km (0.108 R)
• M13: 5,676,042 km (0.081 R)
• M14: 6,512,743 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 13.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.78 AU - 1.06 AU

Year: 599 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,748,533 km

• M1: 172,486 km (0.112 R)
• M2: 682,017 km (0.081 R)
• M3: 1,177,634 km (0.04 R)
• M4: 1,928,915 km (0.101 R)
• M5: 2,492,749 km (0.097 R)
• M6: 3,513,156 km (0.074 R)
• M7: 4,134,736 km (0.088 R)
• M8: 4,680,768 km (0.117 R)
• M9: 6,951,215 km (0.077 R)
• M10: 8,029,217 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.3

Radius: 10.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1 AU

Year: 618 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,748,533 km

• M1: 129,402 km (0.079 R)
• M2: 533,616 km (0.107 R)
• M3: 901,028 km (0.03 R)
• M4: 1,236,426 km (0.111 R)
• M5: 1,568,683 km (0.097 R)
• M6: 1,986,959 km (0.101 R)
• M7: 2,479,435 km (0.111 R)
• M8: 3,327,057 km (0.092 R)
• M9: 3,724,239 km (0.06 R)
• M10: 4,124,264 km (0.11 R)
• M11: 4,930,147 km (0.095 R)
• M12: 6,076,666 km (0.095 R)
• M13: 6,672,813 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.3

Radius: 10.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.38 AU - 2.12 AU

Year: 1570 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,748,533 km

• M1: 135,536 km (0.082 R)
• M2: 532,419 km (0.075 R)
• M3: 1,016,368 km (0.077 R)
• M4: 1,366,277 km (0.077 R)
• M5: 1,798,166 km (0.081 R)
• M6: 2,170,067 km (0.056 R)
• M7: 2,805,110 km (0.047 R)
• M8: 3,309,853 km (0.097 R)
• M9: 4,029,867 km (0.074 R)
• M10: 4,752,575 km (0.104 R)
• M11: 5,280,954 km (0.086 R)
• M12: 6,359,405 km (0.063 R)
• M13: 6,875,069 km (0.118 R)
• M14: 7,286,463 km (0.074 R)
• M15: 8,046,271 km (0.095 R)
• M16: 8,591,256 km (0.108 R)
• M17: 9,980,871 km (0.045 R)
• M18: 11,021,623 km (0.077 R)
• M19: 12,966,545 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 8.3

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.33 AU - 2.49 AU

Year: 2538 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,748,533 km

• M1: 103,223 km (0.1 R)
• M2: 471,532 km (0.092 R)
• M3: 1,023,848 km (0.117 R)
• M4: 1,626,727 km (0.082 R)
• M5: 2,213,600 km (0.103 R)
• M6: 2,608,388 km (0.109 R)
• M7: 3,000,036 km (0.064 R)
• M8: 4,000,696 km (0.074 R)
• M9: 5,042,944 km (0.072 R)
• M10: 6,960,041 km (0.062 R)
• M11: 7,407,039 km (0.113 R)
• M12: 8,129,597 km (0.082 R)
• M13: 9,002,052 km (0.108 R)
• M14: 10,122,091 km (0.102 R)
• M15: 10,774,487 km (0.103 R)
• M16: 11,413,869 km (0.119 R)
• M17: 11,826,160 km (0.107 R)
• M18: 13,483,854 km (0.119 R)
• M19: 15,340,813 km (0.113 R)
• M20: 16,201,150 km (0.101 R)
• M21: 16,827,666 km (0.098 R)
• M22: 17,907,464 km (0.099 R)
• M23: 19,379,357 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 10.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.76 AU - 4.48 AU

Year: 5672 Days

Day: 10.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,748,533 km

• M1: 133,142 km (0.064 R)
• M2: 654,191 km (0.104 R)
• M3: 1,063,042 km (0.116 R)
• M4: 1,492,089 km (0.089 R)
• M5: 2,395,062 km (0.037 R)
• M6: 2,778,780 km (0.115 R)
• M7: 3,421,752 km (0.081 R)
• M8: 3,757,450 km (0.044 R)
• M9: 4,446,797 km (0.095 R)
• M10: 4,978,019 km (0.119 R)
• M11: 5,898,195 km (0.088 R)
• M12: 6,259,624 km (0.037 R)
• M13: 6,928,027 km (0.1 R)
• M14: 8,904,963 km (0.086 R)
• M15: 11,141,301 km (0.114 R)
• M16: 11,742,535 km (0.102 R)
• M17: 13,060,193 km (0.067 R)
• M18: 14,419,888 km (0.069 R)
• M19: 16,220,149 km (0.108 R)
• M20: 17,235,320 km (0.088 R)
• M21: 19,457,896 km (0.067 R)
• M22: 20,672,331 km (0.116 R)
• M23: 21,865,075 km (0.118 R)
• M24: 24,464,338 km (0.117 R)
• M25: 25,559,544 km (0.064 R)
• M26: 26,280,606 km (0.095 R)
• M27: 27,180,288 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.3

Radius: 12.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.2 AU - 5.2 AU

Year: 6911 Days

Day: 7.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,748,533 km

• M1: 157,975 km (0.091 R)
• M2: 597,344 km (0.054 R)
• M3: 1,050,327 km (0.085 R)
• M4: 1,460,973 km (0.097 R)
• M5: 1,879,398 km (0.081 R)
• M6: 3,627,449 km (0.109 R)
• M7: 4,030,167 km (0.072 R)
• M8: 4,515,761 km (0.08 R)
• M9: 5,243,705 km (0.111 R)
• M10: 6,722,480 km (0.098 R)
• M11: 7,408,535 km (0.088 R)
• M12: 8,586,469 km (0.106 R)
• M13: 9,220,465 km (0.071 R)
• M14: 9,976,532 km (0.109 R)
• M15: 12,870,503 km (0.097 R)
• M16: 14,101,843 km (0.105 R)
• M17: 20,629,546 km (0.049 R)
• M18: 21,460,413 km (0.091 R)
• M19: 22,000,611 km (0.051 R)
• M20: 24,839,230 km (0.09 R)
• M21: 25,349,359 km (0.111 R)
• M22: 30,452,591 km (0.092 R)
• M23: 31,728,362 km (0.12 R)
• M24: 32,632,232 km (0.099 R)
• M25: 34,281,399 km (0.067 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 13,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit