🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 9.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.66 AU - 0.8 AU

Year: 438 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,056,965 km

• M1: 118,182 km (0.108 R)
• M2: 484,548 km (0.119 R)
• M3: 910,901 km (0.097 R)
• M4: 1,311,076 km (0.097 R)
• M5: 1,704,369 km (0.091 R)
• M6: 2,048,593 km (0.116 R)
• M7: 2,369,780 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 8.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.89 AU - 1.07 AU

Year: 682 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,056,965 km

• M1: 106,962 km (0.112 R)
• M2: 385,364 km (0.087 R)
• M3: 943,963 km (0.105 R)
• M4: 1,462,170 km (0.045 R)
• M5: 2,185,774 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 9.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.88 AU - 2.72 AU

Year: 2452 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,056,965 km

• M1: 119,379 km (0.067 R)
• M2: 437,424 km (0.065 R)
• M3: 925,712 km (0.025 R)
• M4: 1,562,999 km (0.078 R)
• M5: 2,242,771 km (0.088 R)
• M6: 2,577,422 km (0.096 R)
• M7: 3,348,748 km (0.101 R)
• M8: 3,900,465 km (0.09 R)
• M9: 4,266,681 km (0.068 R)
• M10: 4,840,389 km (0.114 R)
• M11: 6,455,298 km (0.037 R)
• M12: 7,739,895 km (0.114 R)
• M13: 8,132,739 km (0.119 R)
• M14: 9,960,077 km (0.108 R)
• M15: 10,583,451 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 11.3

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.49 AU - 5.35 AU

Year: 6532 Days

Day: 5.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,056,965 km

• M1: 167,550 km (0.058 R)
• M2: 2,003,265 km (0.097 R)
• M3: 3,682,202 km (0.11 R)
• M4: 4,608,362 km (0.061 R)
• M5: 5,898,345 km (0.1 R)
• M6: 9,823,643 km (0.062 R)
• M7: 10,407,225 km (0.114 R)
• M8: 11,643,651 km (0.092 R)
• M9: 15,637,017 km (0.057 R)
• M10: 16,062,473 km (0.114 R)
• M11: 16,936,424 km (0.096 R)
• M12: 17,645,069 km (0.059 R)
• M13: 19,819,474 km (0.073 R)
• M14: 20,461,847 km (0.086 R)
• M15: 20,897,775 km (0.032 R)
• M16: 23,093,124 km (0.067 R)
• M17: 25,105,365 km (0.06 R)
• M18: 26,196,682 km (0.043 R)
• M19: 30,690,302 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.2

Radius: 8.3

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.68 AU - 5.56 AU

Year: 6980 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,056,965 km

• M1: 104,270 km (0.114 R)
• M2: 364,121 km (0.085 R)
• M3: 753,524 km (0.114 R)
• M4: 1,262,157 km (0.118 R)
• M5: 1,849,778 km (0.087 R)
• M6: 2,289,745 km (0.032 R)
• M7: 2,626,939 km (0.1 R)
• M8: 4,534,311 km (0.029 R)
• M9: 4,810,619 km (0.074 R)
• M10: 5,707,907 km (0.088 R)
• M11: 7,219,743 km (0.073 R)
• M12: 7,752,311 km (0.091 R)
• M13: 8,475,318 km (0.054 R)
• M14: 9,688,108 km (0.117 R)
• M15: 14,133,708 km (0.092 R)
• M16: 14,906,381 km (0.091 R)
• M17: 16,342,071 km (0.104 R)
• M18: 22,369,818 km (0.1 R)
• M19: 23,092,376 km (0.03 R)
• M20: 24,753,660 km (0.076 R)
• M21: 25,613,399 km (0.085 R)
• M22: 27,030,390 km (0.102 R)
• M23: 27,574,927 km (0.042 R)
• M24: 29,634,441 km (0.119 R)
• M25: 32,401,253 km (0.06 R)
• M26: 34,906,120 km (0.055 R)
• M27: 35,986,815 km (0.073 R)
• M28: 36,535,540 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.5

Radius: 3.8

Gravity: 58.07 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.46 AU - 7.44 AU

Year: 12879 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 46,056,965 km

• M1: 54,902 km (0.065 R)
• M2: 377,884 km (0.064 R)
• M3: 747,391 km (0.077 R)
• M4: 961,166 km (0.108 R)
• M5: 1,421,928 km (0.072 R)
• M6: 1,854,116 km (0.063 R)
• M7: 3,271,257 km (0.078 R)
• M8: 4,350,755 km (0.05 R)
• M9: 4,508,581 km (0.032 R)
• M10: 5,178,480 km (0.059 R)
• M11: 5,319,999 km (0.115 R)
• M12: 6,263,962 km (0.099 R)
• M13: 6,588,290 km (0.063 R)
• M14: 6,754,493 km (0.111 R)
• M15: 8,823,282 km (0.103 R)
• M16: 10,986,019 km (0.098 R)
• M17: 12,630,399 km (0.043 R)
• M18: 13,411,150 km (0.05 R)
• M19: 14,017,470 km (0.049 R)
• M20: 16,321,576 km (0.078 R)
• M21: 16,473,418 km (0.053 R)
• M22: 17,090,360 km (0.105 R)
• M23: 19,626,493 km (0.117 R)
• M24: 19,884,399 km (0.059 R)
• M25: 21,754,223 km (0.115 R)
• M26: 26,252,482 km (0.104 R)
• M27: 27,951,764 km (0.117 R)
• M28: 30,520,958 km (0.114 R)
• M29: 31,567,694 km (0.1 R)
• M30: 33,978,912 km (0.036 R)
• M31: 36,251,454 km (0.082 R)
• M32: 38,623,328 km (0.084 R)
• M33: 41,801,983 km (0.079 R)
• M34: 44,407,829 km (0.104 R)
• M35: 45,750,470 km (0.099 R)
• M36: 47,120,038 km (0.08 R)
• M37: 47,737,279 km (0.081 R)
• M38: 50,100,476 km (0.116 R)
• M39: 50,905,163 km (0.054 R)
• M40: 51,718,377 km (0.116 R)
• M41: 55,571,271 km (0.038 R)
• M42: 56,260,318 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.9

Radius: 5.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.56 AU - 11.42 AU

Year: 20550 Days

Day: 23.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,056,965 km

• M1: 75,846 km (0.049 R)
• M2: 260,450 km (0.099 R)
• M3: 646,412 km (0.097 R)
• M4: 1,579,006 km (0.11 R)
• M5: 3,527,967 km (0.117 R)
• M6: 3,779,441 km (0.115 R)
• M7: 4,016,104 km (0.099 R)
• M8: 4,548,074 km (0.067 R)
• M9: 5,318,204 km (0.1 R)
• M10: 8,951,787 km (0.071 R)
• M11: 9,231,236 km (0.119 R)
• M12: 9,516,519 km (0.117 R)
• M13: 12,014,055 km (0.108 R)
• M14: 12,700,710 km (0.117 R)
• M15: 16,880,773 km (0.056 R)
• M16: 17,235,919 km (0.034 R)
• M17: 17,451,340 km (0.118 R)
• M18: 19,317,124 km (0.108 R)
• M19: 34,043,987 km (0.109 R)
• M20: 39,249,844 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 16,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit