🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.51 AU - 0.69 AU

Year: 300 Days

Day: 22.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 10.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.83 AU - 1.31 AU

Year: 715 Days

Day: 9.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,146,889 km

• M1: 135,536 km (0.031 R)
• M2: 687,851 km (0.117 R)
• M3: 1,156,541 km (0.096 R)
• M4: 1,536,071 km (0.089 R)
• M5: 2,619,758 km (0.074 R)
• M6: 3,125,997 km (0.101 R)
• M7: 3,710,326 km (0.062 R)
• M8: 5,430,702 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.6

Radius: 8.6

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.35 AU - 2.03 AU

Year: 1419 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,146,889 km

• M1: 106,962 km (0.114 R)
• M2: 431,440 km (0.063 R)
• M3: 717,621 km (0.092 R)
• M4: 1,475,334 km (0.05 R)
• M5: 1,780,663 km (0.073 R)
• M6: 2,572,335 km (0.11 R)
• M7: 3,284,272 km (0.109 R)
• M8: 5,601,692 km (0.12 R)
• M9: 6,330,383 km (0.111 R)
• M10: 7,728,525 km (0.094 R)
• M11: 9,823,643 km (0.096 R)
• M12: 10,277,523 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.1

Radius: 3.1

Gravity: 46 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.32 AU - 7.84 AU

Year: 12164 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,146,889 km

• M1: 45,627 km (0.066 R)
• M2: 162,463 km (0.065 R)
• M3: 415,882 km (0.099 R)
• M4: 561,590 km (0.092 R)
• M5: 2,967,274 km (0.072 R)
• M6: 3,736,207 km (0.059 R)
• M7: 4,451,883 km (0.079 R)
• M8: 5,093,060 km (0.109 R)
• M9: 6,112,569 km (0.097 R)
• M10: 7,799,883 km (0.09 R)
• M11: 7,928,089 km (0.093 R)
• M12: 9,145,666 km (0.077 R)
• M13: 10,327,938 km (0.112 R)
• M14: 12,286,473 km (0.086 R)
• M15: 14,607,783 km (0.118 R)
• M16: 16,989,980 km (0.113 R)
• M17: 20,578,833 km (0.112 R)
• M18: 22,852,870 km (0.086 R)
• M19: 23,646,636 km (0.057 R)
• M20: 24,458,504 km (0.104 R)
• M21: 29,310,112 km (0.114 R)
• M22: 30,036,709 km (0.097 R)
• M23: 38,713,236 km (0.11 R)
• M24: 39,966,118 km (0.053 R)
• M25: 45,661,908 km (0.101 R)
• M26: 45,800,435 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.5

Radius: 3.2

Gravity: 75.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.99 AU - 8.25 AU

Year: 14940 Days

Day: 20 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,146,889 km

• M1: 39,793 km (0.115 R)
• M2: 182,809 km (0.087 R)
• M3: 291,716 km (0.113 R)
• M4: 761,752 km (0.108 R)
• M5: 863,329 km (0.063 R)
• M6: 1,009,038 km (0.085 R)
• M7: 1,677,441 km (0.073 R)
• M8: 1,815,370 km (0.048 R)
• M9: 2,036,326 km (0.099 R)
• M10: 2,254,290 km (0.03 R)
• M11: 2,553,935 km (0.071 R)
• M12: 3,002,130 km (0.111 R)
• M13: 3,612,340 km (0.072 R)
• M14: 4,144,459 km (0.055 R)
• M15: 5,325,385 km (0.09 R)
• M16: 5,585,835 km (0.111 R)
• M17: 5,893,857 km (0.074 R)
• M18: 6,052,131 km (0.03 R)
• M19: 6,543,860 km (0.113 R)
• M20: 8,424,754 km (0.102 R)
• M21: 9,623,481 km (0.099 R)
• M22: 10,178,340 km (0.108 R)
• M23: 15,935,016 km (0.091 R)
• M24: 17,837,452 km (0.118 R)
• M25: 19,359,760 km (0.053 R)
• M26: 24,645,950 km (0.093 R)
• M27: 27,178,492 km (0.06 R)
• M28: 28,395,172 km (0.06 R)
• M29: 28,620,317 km (0.061 R)
• M30: 29,188,041 km (0.053 R)
• M31: 30,346,078 km (0.059 R)
• M32: 31,775,785 km (0.108 R)
• M33: 34,130,305 km (0.096 R)
• M34: 35,415,052 km (0.108 R)
• M35: 38,080,437 km (0.118 R)
• M36: 41,886,506 km (0.095 R)
• M37: 43,806,146 km (0.049 R)
• M38: 46,403,913 km (0.117 R)
• M39: 53,087,796 km (0.047 R)
• M40: 56,569,088 km (0.071 R)
• M41: 64,562,701 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 12,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit