🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 10

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.58 AU - 0.84 AU

Year: 399 Days

Day: 9.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,859,482 km

• M1: 124,316 km (0.113 R)
• M2: 491,279 km (0.091 R)
• M3: 944,860 km (0.098 R)
• M4: 1,427,164 km (0.111 R)
• M5: 1,745,807 km (0.061 R)
• M6: 2,086,442 km (0.119 R)
• M7: 2,491,104 km (0.082 R)
• M8: 2,871,830 km (0.066 R)
• M9: 3,882,663 km (0.114 R)
• M10: 4,239,604 km (0.105 R)
• M11: 4,831,562 km (0.102 R)
• M12: 5,147,663 km (0.043 R)
• M13: 5,528,389 km (0.078 R)
• M14: 5,981,521 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.2

Radius: 11.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.86 AU - 1.2 AU

Year: 697 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,859,482 km

• M1: 148,102 km (0.066 R)
• M2: 553,662 km (0.073 R)
• M3: 1,086,081 km (0.045 R)
• M4: 1,612,216 km (0.106 R)
• M5: 2,115,314 km (0.098 R)
• M6: 2,690,817 km (0.091 R)
• M7: 3,504,779 km (0.05 R)
• M8: 4,373,045 km (0.118 R)
• M9: 5,379,390 km (0.105 R)
• M10: 5,955,641 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.2

Radius: 13.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.04 AU - 1.14 AU

Year: 759 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,859,482 km

• M1: 175,329 km (0.052 R)
• M2: 768,035 km (0.089 R)
• M3: 1,337,255 km (0.072 R)
• M4: 1,779,616 km (0.112 R)
• M5: 2,229,756 km (0.11 R)
• M6: 2,809,598 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.3

Radius: 12.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.4 AU - 1.94 AU

Year: 1439 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,859,482 km

• M1: 159,471 km (0.116 R)
• M2: 817,104 km (0.086 R)
• M3: 1,421,329 km (0.071 R)
• M4: 1,991,596 km (0.054 R)
• M5: 3,489,221 km (0.115 R)
• M6: 4,336,543 km (0.113 R)
• M7: 4,967,846 km (0.105 R)
• M8: 5,379,839 km (0.061 R)
• M9: 6,535,333 km (0.056 R)
• M10: 7,133,574 km (0.1 R)
• M11: 7,822,473 km (0.077 R)
• M12: 8,849,312 km (0.094 R)
• M13: 9,867,775 km (0.114 R)
• M14: 10,622,646 km (0.028 R)
• M15: 11,100,760 km (0.107 R)
• M16: 12,965,348 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.2

Radius: 11.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.6 AU - 2.6 AU

Year: 2029 Days

Day: 8.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,859,482 km

• M1: 149,747 km (0.076 R)
• M2: 730,187 km (0.049 R)
• M3: 1,118,842 km (0.047 R)
• M4: 1,534,874 km (0.093 R)
• M5: 2,336,569 km (0.099 R)
• M6: 2,927,780 km (0.12 R)
• M7: 3,859,027 km (0.1 R)
• M8: 4,377,084 km (0.119 R)
• M9: 6,087,586 km (0.071 R)
• M10: 7,949,332 km (0.059 R)
• M11: 8,548,621 km (0.105 R)
• M12: 9,749,742 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 8.1

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.36 AU - 3.76 AU

Year: 4479 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,859,482 km

• M1: 100,679 km (0.1 R)
• M2: 631,303 km (0.115 R)
• M3: 1,009,337 km (0.114 R)
• M4: 1,393,205 km (0.07 R)
• M5: 1,872,217 km (0.084 R)
• M6: 2,244,716 km (0.073 R)
• M7: 2,800,921 km (0.11 R)
• M8: 3,139,461 km (0.104 R)
• M9: 3,856,484 km (0.114 R)
• M10: 4,163,309 km (0.082 R)
• M11: 4,727,293 km (0.105 R)
• M12: 6,211,304 km (0.083 R)
• M13: 7,638,168 km (0.056 R)
• M14: 9,864,334 km (0.077 R)
• M15: 12,162,606 km (0.11 R)
• M16: 13,560,449 km (0.098 R)
• M17: 15,386,440 km (0.029 R)
• M18: 15,936,811 km (0.067 R)
• M19: 20,034,147 km (0.101 R)
• M20: 21,158,375 km (0.081 R)
• M21: 21,428,997 km (0.117 R)
• M22: 22,184,915 km (0.084 R)
• M23: 22,604,687 km (0.096 R)
• M24: 23,029,695 km (0.085 R)
• M25: 23,822,713 km (0.085 R)
• M26: 25,616,092 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.2

Radius: 8.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.85 AU - 3.93 AU

Year: 5116 Days

Day: 9 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,859,482 km

• M1: 101,876 km (0.1 R)
• M2: 470,037 km (0.049 R)
• M3: 787,334 km (0.105 R)
• M4: 1,493,286 km (0.109 R)
• M5: 1,966,913 km (0.102 R)
• M6: 2,274,336 km (0.096 R)
• M7: 2,970,116 km (0.039 R)
• M8: 3,740,695 km (0.096 R)
• M9: 4,109,154 km (0.107 R)
• M10: 5,236,374 km (0.1 R)
• M11: 5,593,464 km (0.094 R)
• M12: 6,327,840 km (0.115 R)
• M13: 7,500,239 km (0.104 R)
• M14: 8,600,082 km (0.056 R)
• M15: 10,466,166 km (0.078 R)
• M16: 10,910,322 km (0.115 R)
• M17: 11,241,233 km (0.068 R)
• M18: 16,068,906 km (0.082 R)
• M19: 16,389,644 km (0.109 R)
• M20: 16,878,829 km (0.093 R)
• M21: 17,321,788 km (0.092 R)
• M22: 20,020,833 km (0.05 R)
• M23: 21,664,315 km (0.083 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 13,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit