🌌 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: 817.6

Radius: 9.4

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.55 AU - 0.59 AU

Year: 292 Days

Day: 9.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,738,727 km

• M1: 116,836 km (0.089 R)
• M2: 571,763 km (0.102 R)
• M3: 960,718 km (0.099 R)
• M4: 1,946,567 km (0.052 R)
• M5: 2,280,769 km (0.076 R)
• M6: 2,616,317 km (0.113 R)
• M7: 2,984,926 km (0.117 R)
• M8: 3,300,129 km (0.088 R)
• M9: 3,649,440 km (0.118 R)
• M10: 3,961,202 km (0.108 R)
• M11: 4,436,026 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 14.1

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.62 AU - 0.68 AU

Year: 355 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,738,727 km

• M1: 176,077 km (0.067 R)
• M2: 732,730 km (0.088 R)
• M3: 1,179,130 km (0.052 R)
• M4: 1,852,470 km (0.071 R)
• M5: 2,631,726 km (0.05 R)
• M6: 3,380,762 km (0.107 R)
• M7: 4,138,027 km (0.047 R)
• M8: 4,732,229 km (0.117 R)
• M9: 5,214,832 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.6

Radius: 10.7

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.65 AU - 0.93 AU

Year: 476 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,738,727 km

• M1: 133,142 km (0.065 R)
• M2: 597,045 km (0.102 R)
• M3: 1,292,825 km (0.037 R)
• M4: 2,045,900 km (0.106 R)
• M5: 2,710,115 km (0.092 R)
• M6: 4,451,285 km (0.101 R)
• M7: 4,809,721 km (0.103 R)
• M8: 5,323,291 km (0.052 R)
• M9: 6,096,263 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 11.3

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.9 AU - 3.8 AU

Year: 4159 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,738,727 km

• M1: 140,622 km (0.094 R)
• M2: 534,962 km (0.103 R)
• M3: 926,310 km (0.089 R)
• M4: 1,374,206 km (0.109 R)
• M5: 2,021,815 km (0.109 R)
• M6: 2,440,689 km (0.112 R)
• M7: 2,845,800 km (0.11 R)
• M8: 3,749,820 km (0.116 R)
• M9: 4,292,561 km (0.06 R)
• M10: 5,150,954 km (0.088 R)
• M11: 5,536,168 km (0.07 R)
• M12: 6,616,415 km (0.072 R)
• M13: 8,914,986 km (0.11 R)
• M14: 9,350,914 km (0.063 R)
• M15: 10,095,164 km (0.079 R)
• M16: 10,700,885 km (0.108 R)
• M17: 18,224,162 km (0.078 R)
• M18: 21,147,753 km (0.096 R)
• M19: 24,834,144 km (0.107 R)
• M20: 25,540,396 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.2

Radius: 13

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.32 AU - 4.4 AU

Year: 5144 Days

Day: 5.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,738,727 km

• M1: 163,361 km (0.089 R)
• M2: 579,093 km (0.111 R)
• M3: 1,131,708 km (0.098 R)
• M4: 1,707,809 km (0.028 R)
• M5: 2,627,088 km (0.113 R)
• M6: 3,172,672 km (0.11 R)
• M7: 5,824,743 km (0.108 R)
• M8: 7,660,159 km (0.097 R)
• M9: 8,258,850 km (0.12 R)
• M10: 10,244,462 km (0.035 R)
• M11: 11,264,271 km (0.08 R)
• M12: 12,485,588 km (0.097 R)
• M13: 13,745,052 km (0.114 R)
• M14: 17,234,572 km (0.081 R)
• M15: 22,595,113 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.4

Radius: 3.3

Gravity: 33.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.04 AU - 9.14 AU

Year: 14183 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,738,727 km

• M1: 41,887 km (0.104 R)
• M2: 167,400 km (0.113 R)
• M3: 564,134 km (0.109 R)
• M4: 781,200 km (0.067 R)
• M5: 1,635,554 km (0.053 R)
• M6: 2,238,583 km (0.033 R)
• M7: 2,449,216 km (0.062 R)
• M8: 3,476,206 km (0.106 R)
• M9: 4,884,819 km (0.103 R)
• M10: 5,140,781 km (0.087 R)
• M11: 6,254,986 km (0.086 R)
• M12: 7,948,733 km (0.05 R)
• M13: 8,760,003 km (0.111 R)
• M14: 9,137,737 km (0.072 R)
• M15: 10,757,433 km (0.034 R)
• M16: 11,135,617 km (0.107 R)
• M17: 11,918,462 km (0.076 R)
• M18: 12,977,914 km (0.087 R)
• M19: 13,655,443 km (0.087 R)
• M20: 17,033,962 km (0.081 R)
• M21: 18,914,856 km (0.101 R)
• M22: 19,784,618 km (0.105 R)
• M23: 20,515,702 km (0.083 R)
• M24: 22,905,528 km (0.088 R)
• M25: 30,958,083 km (0.077 R)
• M26: 31,721,929 km (0.031 R)
• M27: 33,400,866 km (0.117 R)
• M28: 35,492,394 km (0.089 R)
• M29: 37,917,076 km (0.087 R)
• M30: 41,100,070 km (0.049 R)
• M31: 42,823,587 km (0.07 R)
• M32: 46,130,747 km (0.068 R)
• M33: 46,555,755 km (0.112 R)
• M34: 47,557,612 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.6

Radius: 5.4

Gravity: 15.8 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.5 AU - 10.18 AU

Year: 17827 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,738,727 km

• M1: 67,169 km (0.088 R)
• M2: 324,478 km (0.064 R)
• M3: 517,459 km (0.067 R)
• M4: 706,102 km (0.097 R)
• M5: 930,349 km (0.045 R)
• M6: 2,087,937 km (0.099 R)
• M7: 3,559,233 km (0.086 R)
• M8: 4,194,425 km (0.108 R)
• M9: 5,575,363 km (0.077 R)
• M10: 7,059,524 km (0.082 R)
• M11: 7,278,385 km (0.096 R)
• M12: 8,490,876 km (0.092 R)
• M13: 13,454,982 km (0.027 R)
• M14: 13,791,876 km (0.112 R)
• M15: 16,234,062 km (0.113 R)
• M16: 21,585,178 km (0.059 R)
• M17: 22,990,201 km (0.043 R)
• M18: 25,057,943 km (0.113 R)
• M19: 26,084,782 km (0.118 R)
• M20: 28,222,237 km (0.1 R)
• M21: 31,524,759 km (0.101 R)
• M22: 39,157,093 km (0.093 R)
• M23: 39,981,826 km (0.062 R)
• M24: 47,621,789 km (0.078 R)
• M25: 57,052,290 km (0.082 R)
• M26: 58,111,891 km (0.098 R)
• M27: 60,818,266 km (0.119 R)
• M28: 61,001,673 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 11,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit