🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.47 AU - 0.77 AU

Year: 315 Days

Day: 30.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 8.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.14 AU - 1.5 AU

Year: 979 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,046,465 km

• M1: 104,868 km (0.111 R)
• M2: 841,189 km (0.08 R)
• M3: 1,215,931 km (0.111 R)
• M4: 1,481,767 km (0.103 R)
• M5: 2,398,203 km (0.079 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.1

Radius: 6.1

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.68 AU - 6.78 AU

Year: 11273 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,046,465 km

• M1: 79,137 km (0.111 R)
• M2: 333,454 km (0.072 R)
• M3: 533,466 km (0.072 R)
• M4: 825,780 km (0.088 R)
• M5: 3,419,359 km (0.092 R)
• M6: 4,575,002 km (0.112 R)
• M7: 11,121,555 km (0.092 R)
• M8: 12,489,477 km (0.084 R)
• M9: 14,212,396 km (0.116 R)
• M10: 17,402,122 km (0.068 R)
• M11: 21,855,651 km (0.106 R)
• M12: 24,077,628 km (0.068 R)
• M13: 38,069,816 km (0.12 R)
• M14: 39,280,960 km (0.12 R)
• M15: 40,268,306 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.1

Radius: 3.4

Gravity: 49.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.18 AU - 9.9 AU

Year: 16114 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,046,465 km

• M1: 42,336 km (0.088 R)
• M2: 154,684 km (0.102 R)
• M3: 599,588 km (0.108 R)
• M4: 1,130,810 km (0.083 R)
• M5: 1,460,823 km (0.043 R)
• M6: 1,834,219 km (0.052 R)
• M7: 1,977,983 km (0.067 R)
• M8: 2,247,708 km (0.097 R)
• M9: 2,370,528 km (0.083 R)
• M10: 2,563,210 km (0.096 R)
• M11: 2,674,810 km (0.109 R)
• M12: 2,931,669 km (0.098 R)
• M13: 3,659,613 km (0.103 R)
• M14: 4,500,652 km (0.1 R)
• M15: 5,462,865 km (0.116 R)
• M16: 5,799,161 km (0.066 R)
• M17: 6,848,441 km (0.1 R)
• M18: 6,977,095 km (0.092 R)
• M19: 8,901,522 km (0.062 R)
• M20: 9,578,752 km (0.09 R)
• M21: 10,629,228 km (0.117 R)
• M22: 14,517,725 km (0.064 R)
• M23: 17,049,520 km (0.079 R)
• M24: 19,088,240 km (0.111 R)
• M25: 21,927,457 km (0.107 R)
• M26: 22,113,707 km (0.114 R)
• M27: 26,694,394 km (0.111 R)
• M28: 27,013,486 km (0.111 R)
• M29: 29,999,459 km (0.029 R)
• M30: 31,630,974 km (0.098 R)
• M31: 33,690,488 km (0.097 R)
• M32: 33,938,521 km (0.114 R)
• M33: 34,563,990 km (0.066 R)
• M34: 36,225,723 km (0.077 R)
• M35: 36,486,173 km (0.06 R)
• M36: 38,074,304 km (0.068 R)
• M37: 60,679,589 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 4.2

Gravity: 43.57 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.12 AU - 10.6 AU

Year: 21531 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,046,465 km

• M1: 53,107 km (0.096 R)
• M2: 210,484 km (0.039 R)
• M3: 385,813 km (0.098 R)
• M4: 520,301 km (0.104 R)
• M5: 912,098 km (0.071 R)
• M6: 1,088,624 km (0.082 R)
• M7: 1,333,515 km (0.096 R)
• M8: 1,510,938 km (0.103 R)
• M9: 2,182,932 km (0.116 R)
• M10: 6,559,268 km (0.053 R)
• M11: 9,403,872 km (0.088 R)
• M12: 12,408,096 km (0.027 R)
• M13: 16,753,166 km (0.085 R)
• M14: 19,451,762 km (0.076 R)
• M15: 20,705,991 km (0.072 R)
• M16: 21,403,267 km (0.099 R)
• M17: 22,844,492 km (0.075 R)
• M18: 23,588,891 km (0.108 R)
• M19: 28,275,942 km (0.113 R)
• M20: 29,882,474 km (0.087 R)
• M21: 31,548,845 km (0.116 R)
• M22: 36,773,101 km (0.082 R)
• M23: 39,286,046 km (0.07 R)
• M24: 40,046,303 km (0.116 R)
• M25: 42,386,163 km (0.111 R)
• M26: 44,322,259 km (0.076 R)
• M27: 46,316,698 km (0.071 R)
• M28: 49,949,383 km (0.086 R)
• M29: 50,126,955 km (0.09 R)
• M30: 51,743,959 km (0.09 R)
• M31: 52,290,739 km (0.07 R)
• M32: 56,417,845 km (0.111 R)
• M33: 59,352,955 km (0.11 R)
• M34: 61,568,948 km (0.088 R)
• M35: 64,468,305 km (0.099 R)
• M36: 66,594,091 km (0.114 R)
• M37: 70,091,838 km (0.05 R)
• M38: 72,794,025 km (0.113 R)
• M39: 76,739,818 km (0.089 R)
• M40: 80,094,401 km (0.092 R)
• M41: 82,301,717 km (0.03 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 14,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit