🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 12.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.01 AU - 1.15 AU

Year: 775 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,374,154 km

• M1: 158,873 km (0.08 R)
• M2: 733,628 km (0.055 R)
• M3: 1,194,838 km (0.058 R)
• M4: 1,627,475 km (0.117 R)
• M5: 2,115,463 km (0.096 R)
• M6: 2,557,226 km (0.07 R)
• M7: 3,423,098 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 12.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.32 AU - 2.02 AU

Year: 1490 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,374,154 km

• M1: 155,731 km (0.12 R)
• M2: 620,233 km (0.115 R)
• M3: 2,228,859 km (0.075 R)
• M4: 3,429,382 km (0.034 R)
• M5: 4,173,332 km (0.11 R)
• M6: 4,603,426 km (0.066 R)
• M7: 5,251,334 km (0.108 R)
• M8: 6,052,281 km (0.111 R)
• M9: 7,297,983 km (0.061 R)
• M10: 7,841,472 km (0.059 R)
• M11: 9,319,648 km (0.106 R)
• M12: 10,767,606 km (0.113 R)
• M13: 13,293,117 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 13.5

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.57 AU - 4.09 AU

Year: 5174 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,374,154 km

• M1: 167,849 km (0.113 R)
• M2: 2,034,531 km (0.104 R)
• M3: 2,730,161 km (0.107 R)
• M4: 5,035,315 km (0.107 R)
• M5: 5,805,145 km (0.053 R)
• M6: 6,370,177 km (0.09 R)
• M7: 10,765,960 km (0.117 R)
• M8: 13,238,963 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873

Radius: 7.4

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.78 AU - 7.92 AU

Year: 11045 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,374,154 km

• M1: 92,003 km (0.12 R)
• M2: 598,092 km (0.091 R)
• M3: 887,564 km (0.096 R)
• M4: 1,529,788 km (0.119 R)
• M5: 1,960,181 km (0.082 R)
• M6: 2,468,963 km (0.096 R)
• M7: 2,877,365 km (0.102 R)
• M8: 3,305,215 km (0.07 R)
• M9: 3,997,255 km (0.109 R)
• M10: 4,911,597 km (0.083 R)
• M11: 5,810,980 km (0.061 R)
• M12: 7,189,374 km (0.106 R)
• M13: 7,489,169 km (0.074 R)
• M14: 8,252,267 km (0.08 R)
• M15: 10,037,868 km (0.064 R)
• M16: 10,412,760 km (0.063 R)
• M17: 10,686,225 km (0.116 R)
• M18: 11,535,641 km (0.1 R)
• M19: 12,307,566 km (0.1 R)
• M20: 12,551,860 km (0.11 R)
• M21: 13,113,450 km (0.085 R)
• M22: 13,953,891 km (0.1 R)
• M23: 14,692,755 km (0.096 R)
• M24: 16,542,533 km (0.119 R)
• M25: 17,523,296 km (0.112 R)
• M26: 23,107,485 km (0.052 R)
• M27: 24,911,187 km (0.08 R)
• M28: 25,697,922 km (0.091 R)
• M29: 28,903,805 km (0.115 R)
• M30: 29,992,279 km (0.09 R)
• M31: 33,897,681 km (0.114 R)
• M32: 35,599,805 km (0.106 R)
• M33: 36,221,384 km (0.066 R)
• M34: 36,723,734 km (0.09 R)
• M35: 37,103,563 km (0.106 R)
• M36: 42,699,720 km (0.074 R)
• M37: 44,827,451 km (0.072 R)
• M38: 46,727,643 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.2

Radius: 5.5

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.41 AU - 10.07 AU

Year: 19387 Days

Day: 16.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,374,154 km

• M1: 68,366 km (0.086 R)
• M2: 242,049 km (0.106 R)
• M3: 818,749 km (0.076 R)
• M4: 1,034,020 km (0.092 R)
• M5: 1,286,990 km (0.077 R)
• M6: 1,829,432 km (0.092 R)
• M7: 2,028,248 km (0.101 R)
• M8: 2,829,494 km (0.117 R)
• M9: 4,431,538 km (0.089 R)
• M10: 4,725,198 km (0.111 R)
• M11: 5,031,724 km (0.086 R)
• M12: 6,433,456 km (0.049 R)
• M13: 6,682,986 km (0.078 R)
• M14: 10,949,367 km (0.089 R)
• M15: 11,916,069 km (0.051 R)
• M16: 12,742,298 km (0.115 R)
• M17: 13,879,690 km (0.114 R)
• M18: 19,711,464 km (0.115 R)
• M19: 26,034,667 km (0.056 R)
• M20: 27,530,347 km (0.116 R)
• M21: 29,308,616 km (0.097 R)
• M22: 29,765,040 km (0.051 R)
• M23: 30,574,813 km (0.034 R)
• M24: 34,845,682 km (0.069 R)
• M25: 38,535,813 km (0.07 R)
• M26: 43,949,012 km (0.096 R)
• M27: 49,524,824 km (0.078 R)
• M28: 52,649,175 km (0.101 R)
• M29: 52,985,471 km (0.107 R)
• M30: 54,173,877 km (0.035 R)
• M31: 61,866,947 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 11,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit