🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 9.4

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.9 AU - 1.04 AU

Year: 627 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,177,861 km

• M1: 116,836 km (0.086 R)
• M2: 556,803 km (0.098 R)
• M3: 870,211 km (0.083 R)
• M4: 1,709,904 km (0.1 R)
• M5: 2,122,195 km (0.067 R)
• M6: 2,686,329 km (0.115 R)
• M7: 3,648,991 km (0.078 R)
• M8: 4,142,814 km (0.107 R)
• M9: 4,975,027 km (0.106 R)
• M10: 5,351,714 km (0.081 R)
• M11: 5,710,450 km (0.086 R)
• M12: 6,047,195 km (0.077 R)
• M13: 6,801,617 km (0.07 R)
• M14: 7,244,875 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 9

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.87 AU - 1.09 AU

Year: 636 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,177,861 km

• M1: 111,899 km (0.084 R)
• M2: 432,188 km (0.045 R)
• M3: 786,586 km (0.112 R)
• M4: 1,126,771 km (0.112 R)
• M5: 1,451,548 km (0.114 R)
• M6: 1,770,042 km (0.112 R)
• M7: 2,135,210 km (0.104 R)
• M8: 2,617,364 km (0.034 R)
• M9: 3,353,685 km (0.05 R)
• M10: 4,113,493 km (0.034 R)
• M11: 4,776,361 km (0.106 R)
• M12: 5,679,184 km (0.084 R)
• M13: 7,819,929 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.6

Radius: 10.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.28 AU - 1.44 AU

Year: 1040 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,177,861 km

• M1: 131,796 km (0.115 R)
• M2: 672,592 km (0.089 R)
• M3: 1,090,568 km (0.081 R)
• M4: 1,811,331 km (0.045 R)
• M5: 2,252,495 km (0.098 R)
• M6: 2,729,264 km (0.088 R)
• M7: 3,312,845 km (0.068 R)
• M8: 3,871,443 km (0.025 R)
• M9: 4,213,574 km (0.068 R)
• M10: 4,887,811 km (0.063 R)
• M11: 5,232,634 km (0.066 R)
• M12: 5,810,232 km (0.036 R)
• M13: 6,472,801 km (0.092 R)
• M14: 7,208,074 km (0.092 R)
• M15: 7,801,379 km (0.098 R)
• M16: 8,452,728 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.2

Radius: 12.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.62 AU - 2.18 AU

Year: 1718 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,177,861 km

• M1: 155,432 km (0.095 R)
• M2: 560,094 km (0.104 R)
• M3: 958,922 km (0.12 R)
• M4: 1,444,218 km (0.085 R)
• M5: 2,230,504 km (0.118 R)
• M6: 2,915,363 km (0.082 R)
• M7: 3,907,496 km (0.07 R)
• M8: 4,529,973 km (0.109 R)
• M9: 5,812,625 km (0.087 R)
• M10: 7,138,511 km (0.058 R)
• M11: 9,524,148 km (0.056 R)
• M12: 11,144,593 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 13

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.92 AU - 5.82 AU

Year: 7050 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,177,861 km

• M1: 162,314 km (0.099 R)
• M2: 611,406 km (0.075 R)
• M3: 1,135,448 km (0.054 R)
• M4: 1,765,255 km (0.074 R)
• M5: 2,784,914 km (0.091 R)
• M6: 3,946,990 km (0.082 R)
• M7: 4,598,788 km (0.078 R)
• M8: 5,439,229 km (0.097 R)
• M9: 6,512,893 km (0.094 R)
• M10: 11,107,642 km (0.086 R)
• M11: 15,861,413 km (0.114 R)
• M12: 18,649,020 km (0.104 R)
• M13: 20,411,881 km (0.114 R)
• M14: 22,129,714 km (0.118 R)
• M15: 26,107,521 km (0.093 R)
• M16: 26,799,411 km (0.119 R)
• M17: 27,326,295 km (0.047 R)
• M18: 32,087,995 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.1

Radius: 7.6

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.67 AU - 8.87 AU

Year: 17038 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,177,861 km

• M1: 94,546 km (0.116 R)
• M2: 344,075 km (0.107 R)
• M3: 812,167 km (0.077 R)
• M4: 1,394,851 km (0.078 R)
• M5: 1,812,977 km (0.075 R)
• M6: 2,229,906 km (0.113 R)
• M7: 2,949,023 km (0.093 R)
• M8: 4,434,230 km (0.118 R)
• M9: 5,376,099 km (0.078 R)
• M10: 5,679,334 km (0.084 R)
• M11: 7,649,986 km (0.111 R)
• M12: 10,093,817 km (0.064 R)
• M13: 12,028,118 km (0.083 R)
• M14: 13,771,980 km (0.061 R)
• M15: 14,631,121 km (0.099 R)
• M16: 20,642,113 km (0.069 R)
• M17: 20,919,467 km (0.108 R)
• M18: 23,227,762 km (0.087 R)
• M19: 24,753,660 km (0.07 R)
• M20: 29,379,975 km (0.088 R)
• M21: 30,203,212 km (0.12 R)
• M22: 31,527,751 km (0.118 R)
• M23: 36,806,611 km (0.07 R)
• M24: 37,214,565 km (0.092 R)
• M25: 37,488,179 km (0.089 R)
• M26: 42,347,417 km (0.085 R)
• M27: 48,582,357 km (0.114 R)
• M28: 49,073,188 km (0.108 R)
• M29: 62,062,023 km (0.034 R)
• M30: 64,789,791 km (0.067 R)
• M31: 66,183,145 km (0.084 R)

Asteroid Belt

Center: 9.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.6

Radius: 3.8

Gravity: 31.62 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.15 AU - 9.99 AU

Year: 19421 Days

Day: 24 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,177,861 km

• M1: 47,273 km (0.114 R)
• M2: 183,856 km (0.117 R)
• M3: 486,941 km (0.111 R)
• M4: 892,501 km (0.076 R)
• M5: 1,416,542 km (0.053 R)
• M6: 2,122,046 km (0.083 R)
• M7: 2,584,602 km (0.079 R)
• M8: 3,537,092 km (0.113 R)
• M9: 4,246,934 km (0.097 R)
• M10: 4,405,956 km (0.064 R)
• M11: 4,872,702 km (0.071 R)
• M12: 7,569,951 km (0.062 R)
• M13: 8,139,770 km (0.115 R)
• M14: 14,613,618 km (0.046 R)
• M15: 15,419,950 km (0.056 R)
• M16: 16,024,774 km (0.078 R)
• M17: 16,488,528 km (0.099 R)
• M18: 18,016,371 km (0.103 R)
• M19: 19,724,030 km (0.059 R)
• M20: 24,155,119 km (0.115 R)
• M21: 28,525,322 km (0.059 R)
• M22: 31,915,958 km (0.085 R)
• M23: 41,473,915 km (0.106 R)
• M24: 57,311,243 km (0.105 R)
• M25: 58,393,883 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 16,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit