🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 12

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.61 AU - 0.79 AU

Year: 372 Days

Day: 5.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,595,911 km

• M1: 149,299 km (0.106 R)
• M2: 551,268 km (0.04 R)
• M3: 1,536,969 km (0.111 R)
• M4: 1,953,000 km (0.075 R)
• M5: 2,596,121 km (0.08 R)
• M6: 2,998,241 km (0.088 R)
• M7: 3,645,999 km (0.089 R)
• M8: 4,437,821 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.4

Radius: 12.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.83 AU - 0.87 AU

Year: 498 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,595,911 km

• M1: 165,904 km (0.119 R)
• M2: 567,574 km (0.098 R)
• M3: 1,032,973 km (0.112 R)
• M4: 1,451,548 km (0.104 R)
• M5: 1,970,952 km (0.035 R)
• M6: 2,373,370 km (0.115 R)
• M7: 2,950,070 km (0.087 R)
• M8: 3,359,669 km (0.068 R)
• M9: 3,783,480 km (0.051 R)
• M10: 4,243,344 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.3

Radius: 9.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.91 AU - 1.23 AU

Year: 704 Days

Day: 5.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,595,911 km

• M1: 118,482 km (0.115 R)
• M2: 662,868 km (0.116 R)
• M3: 1,023,399 km (0.114 R)
• M4: 1,887,476 km (0.098 R)
• M5: 2,202,529 km (0.035 R)
• M6: 2,593,129 km (0.057 R)

Asteroid Belt

Center: 1.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 8.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.31 AU - 1.91 AU

Year: 1299 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,595,911 km

• M1: 100,829 km (0.096 R)
• M2: 477,516 km (0.101 R)
• M3: 759,359 km (0.063 R)
• M4: 1,142,180 km (0.072 R)
• M5: 1,559,109 km (0.065 R)
• M6: 1,817,315 km (0.074 R)
• M7: 2,094,520 km (0.119 R)
• M8: 2,627,687 km (0.098 R)
• M9: 3,140,957 km (0.096 R)
• M10: 3,794,400 km (0.112 R)
• M11: 5,236,374 km (0.081 R)
• M12: 5,945,618 km (0.088 R)
• M13: 7,947,536 km (0.077 R)
• M14: 8,510,922 km (0.119 R)
• M15: 8,910,049 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.2

Radius: 8.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.73 AU - 2.75 AU

Year: 2884 Days

Day: 13.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,595,911 km

• M1: 105,766 km (0.069 R)
• M2: 389,852 km (0.111 R)
• M3: 691,142 km (0.089 R)
• M4: 1,017,714 km (0.105 R)
• M5: 1,630,617 km (0.09 R)
• M6: 2,234,693 km (0.103 R)
• M7: 3,310,002 km (0.094 R)
• M8: 3,772,110 km (0.117 R)
• M9: 4,276,704 km (0.108 R)
• M10: 5,340,943 km (0.057 R)
• M11: 5,829,530 km (0.099 R)
• M12: 6,325,447 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 11.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.35 AU - 3.35 AU

Year: 3059 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,595,911 km

• M1: 138,677 km (0.098 R)
• M2: 489,335 km (0.102 R)
• M3: 876,793 km (0.082 R)
• M4: 1,327,980 km (0.096 R)
• M5: 1,834,967 km (0.08 R)
• M6: 2,364,394 km (0.084 R)
• M7: 2,933,614 km (0.112 R)
• M8: 4,230,628 km (0.034 R)
• M9: 4,794,462 km (0.115 R)
• M10: 5,160,678 km (0.064 R)
• M11: 6,072,626 km (0.089 R)
• M12: 6,817,923 km (0.092 R)
• M13: 8,996,666 km (0.075 R)
• M14: 9,455,932 km (0.068 R)
• M15: 10,104,139 km (0.062 R)
• M16: 10,928,274 km (0.087 R)
• M17: 11,913,226 km (0.087 R)
• M18: 12,347,359 km (0.117 R)
• M19: 13,163,715 km (0.102 R)
• M20: 15,829,699 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 10.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.36 AU - 5.18 AU

Year: 5610 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,595,911 km

• M1: 134,937 km (0.079 R)
• M2: 595,998 km (0.092 R)
• M3: 1,266,645 km (0.101 R)
• M4: 1,746,705 km (0.067 R)
• M5: 2,391,621 km (0.118 R)
• M6: 3,869,947 km (0.099 R)
• M7: 4,407,153 km (0.105 R)
• M8: 5,548,585 km (0.06 R)
• M9: 5,941,130 km (0.109 R)
• M10: 6,564,953 km (0.076 R)
• M11: 6,908,729 km (0.09 R)
• M12: 7,330,744 km (0.11 R)
• M13: 7,873,635 km (0.114 R)
• M14: 10,359,802 km (0.038 R)
• M15: 12,267,025 km (0.111 R)
• M16: 12,838,639 km (0.097 R)
• M17: 14,241,568 km (0.11 R)
• M18: 15,744,129 km (0.082 R)
• M19: 18,070,376 km (0.053 R)
• M20: 18,873,417 km (0.116 R)
• M21: 19,252,049 km (0.067 R)
• M22: 19,635,618 km (0.069 R)
• M23: 21,086,119 km (0.101 R)
• M24: 21,493,773 km (0.079 R)
• M25: 22,184,915 km (0.081 R)
• M26: 22,890,868 km (0.069 R)
• M27: 24,051,448 km (0.078 R)
• M28: 25,942,814 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 12.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.79 AU - 7.15 AU

Year: 9275 Days

Day: 10.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,595,911 km

• M1: 161,416 km (0.11 R)
• M2: 608,415 km (0.086 R)
• M3: 1,629,869 km (0.068 R)
• M4: 2,470,758 km (0.113 R)
• M5: 3,345,756 km (0.096 R)
• M6: 4,305,876 km (0.104 R)
• M7: 5,001,805 km (0.119 R)
• M8: 5,506,398 km (0.098 R)
• M9: 6,842,457 km (0.101 R)
• M10: 7,708,928 km (0.072 R)
• M11: 12,031,858 km (0.109 R)
• M12: 14,265,055 km (0.116 R)
• M13: 19,923,893 km (0.088 R)
• M14: 26,074,759 km (0.081 R)
• M15: 26,827,985 km (0.11 R)
• M16: 33,275,054 km (0.115 R)
• M17: 37,150,238 km (0.1 R)
• M18: 41,316,538 km (0.112 R)
• M19: 41,826,368 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.4

Radius: 5.7

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.84 AU - 8.18 AU

Year: 11801 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,595,911 km

• M1: 71,807 km (0.06 R)
• M2: 304,282 km (0.087 R)
• M3: 569,968 km (0.035 R)
• M4: 1,080,845 km (0.098 R)
• M5: 2,056,372 km (0.076 R)
• M6: 2,699,045 km (0.054 R)
• M7: 2,889,632 km (0.081 R)
• M8: 3,089,346 km (0.067 R)
• M9: 4,146,404 km (0.083 R)
• M10: 4,848,617 km (0.119 R)
• M11: 8,505,686 km (0.071 R)
• M12: 12,644,760 km (0.049 R)
• M13: 13,241,506 km (0.118 R)
• M14: 13,485,500 km (0.112 R)
• M15: 25,889,707 km (0.109 R)
• M16: 27,834,928 km (0.115 R)
• M17: 31,578,465 km (0.09 R)
• M18: 36,952,619 km (0.094 R)
• M19: 38,540,002 km (0.109 R)
• M20: 39,287,842 km (0.087 R)
• M21: 44,249,704 km (0.092 R)
• M22: 46,318,044 km (0.117 R)
• M23: 47,447,209 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.4

Radius: 3.9

Gravity: 40.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.28 AU - 9.3 AU

Year: 18003 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,595,911 km

• M1: 51,462 km (0.083 R)
• M2: 329,265 km (0.099 R)
• M3: 938,128 km (0.061 R)
• M4: 1,685,968 km (0.117 R)
• M5: 2,912,521 km (0.069 R)
• M6: 3,115,226 km (0.071 R)
• M7: 4,114,689 km (0.099 R)
• M8: 5,574,914 km (0.053 R)
• M9: 6,764,217 km (0.089 R)
• M10: 19,488,115 km (0.101 R)
• M11: 23,661,147 km (0.059 R)
• M12: 24,067,754 km (0.089 R)
• M13: 24,999,300 km (0.114 R)
• M14: 27,266,306 km (0.109 R)
• M15: 28,164,791 km (0.113 R)
• M16: 29,666,604 km (0.102 R)
• M17: 30,857,553 km (0.076 R)
• M18: 39,955,646 km (0.078 R)
• M19: 40,243,024 km (0.054 R)
• M20: 43,042,898 km (0.109 R)
• M21: 46,602,579 km (0.101 R)
• M22: 59,005,140 km (0.067 R)
• M23: 62,416,570 km (0.069 R)
• M24: 63,974,033 km (0.041 R)
• M25: 67,980,863 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 17,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit