🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 12

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.69 AU

Year: 307 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,694,181 km

• M1: 149,299 km (0.108 R)
• M2: 527,183 km (0.086 R)
• M3: 1,170,603 km (0.115 R)
• M4: 1,649,765 km (0.12 R)
• M5: 2,192,955 km (0.081 R)
• M6: 2,576,225 km (0.046 R)
• M7: 3,215,157 km (0.101 R)
• M8: 3,907,945 km (0.11 R)
• M9: 4,329,811 km (0.103 R)
• M10: 4,940,170 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.1

Radius: 12.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.66 AU - 0.84 AU

Year: 441 Days

Day: 15 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,694,181 km

• M1: 160,668 km (0.101 R)
• M2: 1,042,548 km (0.111 R)
• M3: 1,635,254 km (0.072 R)
• M4: 2,060,711 km (0.082 R)
• M5: 2,553,336 km (0.063 R)
• M6: 2,976,100 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371

Radius: 14.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.9 AU - 0.92 AU

Year: 589 Days

Day: 8.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,694,181 km

• M1: 176,675 km (0.086 R)
• M2: 675,285 km (0.096 R)
• M3: 1,759,271 km (0.104 R)
• M4: 2,264,762 km (0.099 R)
• M5: 2,795,535 km (0.083 R)
• M6: 3,480,544 km (0.108 R)
• M7: 3,928,290 km (0.119 R)
• M8: 4,571,262 km (0.048 R)
• M9: 5,347,825 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 9.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.89 AU - 1.37 AU

Year: 815 Days

Day: 12.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,694,181 km

• M1: 118,182 km (0.052 R)
• M2: 498,909 km (0.075 R)
• M3: 882,627 km (0.11 R)
• M4: 1,278,613 km (0.12 R)
• M5: 1,779,167 km (0.111 R)
• M6: 2,737,043 km (0.082 R)
• M7: 3,440,302 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.4

Radius: 6.3

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.6 AU - 6.78 AU

Year: 10445 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,694,181 km

• M1: 78,539 km (0.062 R)
• M2: 365,019 km (0.081 R)
• M3: 811,120 km (0.09 R)
• M4: 1,471,295 km (0.077 R)
• M5: 1,668,764 km (0.1 R)
• M6: 2,150,619 km (0.079 R)
• M7: 3,125,997 km (0.061 R)
• M8: 4,447,993 km (0.047 R)
• M9: 7,582,667 km (0.11 R)
• M10: 8,056,444 km (0.095 R)
• M11: 8,507,930 km (0.043 R)
• M12: 8,889,704 km (0.089 R)
• M13: 12,637,879 km (0.082 R)
• M14: 16,591,451 km (0.082 R)
• M15: 16,788,471 km (0.058 R)
• M16: 17,729,143 km (0.114 R)
• M17: 17,935,139 km (0.074 R)
• M18: 18,492,391 km (0.081 R)
• M19: 18,704,371 km (0.094 R)
• M20: 24,630,093 km (0.09 R)
• M21: 26,019,408 km (0.112 R)
• M22: 33,025,675 km (0.078 R)
• M23: 38,144,615 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 7.2

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.23 AU - 7.28 AU

Year: 10598 Days

Day: 21.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,694,181 km

• M1: 147,803 km (0.12 R)
• M2: 579,692 km (0.09 R)
• M3: 1,716,037 km (0.09 R)
• M4: 3,123,604 km (0.071 R)
• M5: 3,469,175 km (0.116 R)
• M6: 3,985,886 km (0.033 R)
• M7: 5,201,518 km (0.086 R)
• M8: 5,974,789 km (0.097 R)
• M9: 6,271,143 km (0.115 R)
• M10: 8,301,186 km (0.053 R)
• M11: 9,398,337 km (0.058 R)
• M12: 10,352,771 km (0.093 R)
• M13: 16,558,240 km (0.114 R)
• M14: 25,979,316 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.3

Radius: 7.3

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.69 AU - 8.67 AU

Year: 14436 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,694,181 km

• M1: 90,806 km (0.047 R)
• M2: 332,257 km (0.106 R)
• M3: 805,585 km (0.105 R)
• M4: 1,261,110 km (0.094 R)
• M5: 3,058,229 km (0.12 R)
• M6: 5,809,783 km (0.097 R)
• M7: 6,281,615 km (0.098 R)
• M8: 7,168,880 km (0.111 R)
• M9: 9,721,618 km (0.11 R)
• M10: 10,386,879 km (0.104 R)
• M11: 10,730,655 km (0.074 R)
• M12: 11,260,531 km (0.116 R)
• M13: 13,286,834 km (0.096 R)
• M14: 14,741,524 km (0.069 R)
• M15: 16,299,436 km (0.091 R)
• M16: 16,608,206 km (0.107 R)
• M17: 20,713,770 km (0.104 R)
• M18: 21,442,611 km (0.09 R)
• M19: 22,188,506 km (0.117 R)
• M20: 23,731,907 km (0.114 R)
• M21: 25,448,692 km (0.097 R)
• M22: 25,864,425 km (0.104 R)
• M23: 28,454,263 km (0.105 R)
• M24: 32,169,676 km (0.062 R)
• M25: 39,427,566 km (0.106 R)
• M26: 41,973,871 km (0.053 R)
• M27: 43,139,837 km (0.095 R)
• M28: 47,391,259 km (0.115 R)
• M29: 49,295,640 km (0.085 R)
• M30: 51,415,891 km (0.098 R)
• M31: 54,279,044 km (0.096 R)
• M32: 56,011,986 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 13,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit