🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 11.2

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.61 AU - 0.95 AU

Year: 459 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 120.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,378,080 km

• M1: 139,276 km (0.084 R)
• M2: 504,145 km (0.058 R)
• M3: 871,856 km (0.074 R)
• M4: 1,236,875 km (0.098 R)
• M5: 1,820,606 km (0.091 R)
• M6: 2,213,001 km (0.11 R)
• M7: 2,682,589 km (0.107 R)
• M8: 3,148,886 km (0.088 R)
• M9: 3,850,350 km (0.104 R)
• M10: 4,519,352 km (0.09 R)
• M11: 4,991,483 km (0.102 R)
• M12: 5,822,648 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.5

Radius: 14.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.7 AU - 0.86 AU

Year: 459 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,378,080 km

• M1: 181,911 km (0.063 R)
• M2: 641,924 km (0.111 R)
• M3: 1,211,892 km (0.041 R)
• M4: 2,304,106 km (0.114 R)
• M5: 2,774,891 km (0.05 R)
• M6: 3,508,369 km (0.094 R)
• M7: 4,164,356 km (0.106 R)
• M8: 4,665,658 km (0.062 R)
• M9: 5,757,573 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 14.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.01 AU - 1.05 AU

Year: 697 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,378,080 km

• M1: 175,329 km (0.104 R)
• M2: 648,806 km (0.116 R)
• M3: 1,089,970 km (0.087 R)
• M4: 1,694,645 km (0.115 R)
• M5: 2,223,922 km (0.085 R)
• M6: 2,957,400 km (0.06 R)
• M7: 3,600,522 km (0.078 R)
• M8: 4,106,611 km (0.09 R)
• M9: 4,660,123 km (0.088 R)
• M10: 5,138,687 km (0.091 R)
• M11: 5,683,223 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.2

Radius: 9.2

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.05 AU - 1.09 AU

Year: 738 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,378,080 km

• M1: 114,442 km (0.107 R)
• M2: 747,241 km (0.074 R)
• M3: 1,243,009 km (0.073 R)
• M4: 1,747,303 km (0.107 R)
• M5: 2,203,427 km (0.088 R)
• M6: 2,858,815 km (0.081 R)
• M7: 3,712,271 km (0.093 R)
• M8: 4,238,856 km (0.082 R)
• M9: 4,849,664 km (0.116 R)
• M10: 5,615,754 km (0.114 R)
• M11: 6,352,823 km (0.076 R)
• M12: 6,856,669 km (0.051 R)
• M13: 7,153,022 km (0.077 R)
• M14: 8,633,892 km (0.101 R)
• M15: 9,115,597 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 9.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.48 AU - 1.64 AU

Year: 1299 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,378,080 km

• M1: 117,285 km (0.055 R)
• M2: 438,771 km (0.068 R)
• M3: 803,789 km (0.086 R)
• M4: 1,447,359 km (0.096 R)
• M5: 1,802,654 km (0.068 R)
• M6: 2,533,739 km (0.093 R)
• M7: 3,248,667 km (0.059 R)
• M8: 3,632,236 km (0.118 R)
• M9: 4,015,356 km (0.077 R)
• M10: 4,968,295 km (0.104 R)
• M11: 5,441,623 km (0.107 R)
• M12: 6,606,242 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 11.8

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.75 AU - 2.15 AU

Year: 1816 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,378,080 km

• M1: 146,905 km (0.108 R)
• M2: 538,702 km (0.103 R)
• M3: 1,040,004 km (0.042 R)
• M4: 1,631,963 km (0.119 R)
• M5: 2,041,861 km (0.106 R)
• M6: 2,846,847 km (0.117 R)
• M7: 3,282,327 km (0.097 R)
• M8: 4,387,706 km (0.119 R)
• M9: 4,863,876 km (0.048 R)
• M10: 5,443,567 km (0.075 R)
• M11: 6,219,980 km (0.088 R)
• M12: 6,661,743 km (0.068 R)
• M13: 8,083,820 km (0.09 R)
• M14: 9,293,020 km (0.112 R)
• M15: 10,081,550 km (0.052 R)
• M16: 10,510,298 km (0.098 R)
• M17: 11,214,156 km (0.104 R)
• M18: 13,429,700 km (0.055 R)
• M19: 15,168,027 km (0.118 R)
• M20: 15,779,434 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 8.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.81 AU - 3.01 AU

Year: 3310 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,378,080 km

• M1: 123,119 km (0.087 R)
• M2: 803,789 km (0.112 R)
• M3: 1,103,284 km (0.114 R)
• M4: 1,561,353 km (0.101 R)
• M5: 1,840,054 km (0.101 R)
• M6: 2,595,673 km (0.082 R)
• M7: 3,238,196 km (0.109 R)
• M8: 3,514,204 km (0.11 R)
• M9: 4,491,826 km (0.064 R)
• M10: 5,477,077 km (0.057 R)
• M11: 7,843,117 km (0.117 R)
• M12: 8,130,495 km (0.065 R)
• M13: 10,344,543 km (0.077 R)

Asteroid Belt

Center: 3.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 12.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.44 AU - 4.76 AU

Year: 5536 Days

Day: 13.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,378,080 km

• M1: 150,495 km (0.081 R)
• M2: 558,748 km (0.086 R)
• M3: 1,111,811 km (0.06 R)
• M4: 1,589,029 km (0.091 R)
• M5: 2,035,578 km (0.119 R)
• M6: 2,874,373 km (0.097 R)
• M7: 3,459,152 km (0.054 R)
• M8: 5,702,521 km (0.095 R)
• M9: 6,765,115 km (0.045 R)
• M10: 7,507,270 km (0.112 R)
• M11: 9,622,584 km (0.084 R)
• M12: 10,062,402 km (0.078 R)
• M13: 12,415,127 km (0.09 R)
• M14: 14,937,796 km (0.049 R)
• M15: 16,012,208 km (0.106 R)
• M16: 16,819,588 km (0.051 R)
• M17: 18,515,728 km (0.117 R)
• M18: 25,186,148 km (0.072 R)
• M19: 25,686,254 km (0.106 R)
• M20: 26,363,483 km (0.073 R)
• M21: 27,489,207 km (0.069 R)
• M22: 28,019,382 km (0.095 R)
• M23: 30,773,778 km (0.06 R)
• M24: 31,634,115 km (0.111 R)
• M25: 32,118,962 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431

Radius: 6.1

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.57 AU - 8.99 AU

Year: 14471 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,378,080 km

• M1: 75,846 km (0.063 R)
• M2: 282,890 km (0.113 R)
• M3: 568,771 km (0.058 R)
• M4: 810,372 km (0.106 R)
• M5: 1,108,670 km (0.119 R)
• M6: 1,811,481 km (0.111 R)
• M7: 2,306,350 km (0.089 R)
• M8: 3,309,703 km (0.052 R)
• M9: 3,853,492 km (0.082 R)
• M10: 5,558,608 km (0.087 R)
• M11: 6,025,204 km (0.066 R)
• M12: 6,287,150 km (0.118 R)
• M13: 7,118,615 km (0.041 R)
• M14: 7,843,716 km (0.115 R)
• M15: 8,997,863 km (0.104 R)
• M16: 10,366,983 km (0.088 R)
• M17: 10,907,630 km (0.109 R)
• M18: 11,409,979 km (0.081 R)
• M19: 13,384,821 km (0.057 R)
• M20: 16,429,885 km (0.106 R)
• M21: 17,313,710 km (0.085 R)
• M22: 17,920,179 km (0.046 R)
• M23: 18,306,441 km (0.109 R)
• M24: 22,036,215 km (0.059 R)
• M25: 22,568,933 km (0.099 R)
• M26: 24,031,402 km (0.086 R)
• M27: 33,568,117 km (0.107 R)
• M28: 36,694,712 km (0.106 R)
• M29: 38,584,133 km (0.117 R)
• M30: 41,202,844 km (0.068 R)
• M31: 42,282,791 km (0.034 R)
• M32: 44,639,855 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828

Radius: 8

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.28 AU - 8.96 AU

Year: 16877 Days

Day: 24.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,378,080 km

• M1: 99,483 km (0.092 R)
• M2: 564,582 km (0.042 R)
• M3: 1,522,158 km (0.042 R)
• M4: 2,031,539 km (0.105 R)
• M5: 3,067,504 km (0.117 R)
• M6: 4,288,821 km (0.095 R)
• M7: 6,555,079 km (0.113 R)
• M8: 7,993,463 km (0.098 R)
• M9: 8,551,014 km (0.054 R)
• M10: 12,124,907 km (0.1 R)
• M11: 12,724,944 km (0.113 R)
• M12: 13,274,717 km (0.065 R)
• M13: 17,915,542 km (0.074 R)
• M14: 19,494,398 km (0.104 R)
• M15: 19,949,026 km (0.071 R)
• M16: 22,926,622 km (0.072 R)
• M17: 25,968,844 km (0.103 R)
• M18: 27,415,904 km (0.11 R)
• M19: 29,151,688 km (0.116 R)
• M20: 29,866,018 km (0.094 R)
• M21: 31,578,166 km (0.07 R)
• M22: 31,827,994 km (0.079 R)
• M23: 32,840,622 km (0.12 R)
• M24: 34,399,432 km (0.111 R)
• M25: 35,197,088 km (0.107 R)
• M26: 37,663,957 km (0.118 R)
• M27: 38,369,161 km (0.118 R)
• M28: 42,330,213 km (0.12 R)
• M29: 48,189,214 km (0.075 R)
• M30: 49,523,478 km (0.051 R)
• M31: 65,658,954 km (0.087 R)
• M32: 70,870,794 km (0.09 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 13,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit