🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.9

Radius: 9.4

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.66 AU - 0.72 AU

Year: 382 Days

Day: 11.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,785,173 km

• M1: 118,033 km (0.094 R)
• M2: 510,578 km (0.089 R)
• M3: 1,074,113 km (0.041 R)
• M4: 1,413,550 km (0.117 R)
• M5: 1,879,248 km (0.098 R)
• M6: 2,271,045 km (0.096 R)
• M7: 2,798,677 km (0.05 R)
• M8: 3,198,103 km (0.088 R)
• M9: 3,798,440 km (0.111 R)
• M10: 4,837,546 km (0.112 R)
• M11: 5,159,930 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 11.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.64 AU - 0.78 AU

Year: 399 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 116.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,785,173 km

• M1: 146,756 km (0.073 R)
• M2: 542,143 km (0.082 R)
• M3: 918,980 km (0.081 R)
• M4: 1,498,671 km (0.045 R)
• M5: 2,008,501 km (0.117 R)
• M6: 2,378,307 km (0.077 R)
• M7: 2,775,938 km (0.105 R)
• M8: 3,207,977 km (0.047 R)
• M9: 3,888,797 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.2

Radius: 8.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.08 AU - 1.38 AU

Year: 910 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,785,173 km

• M1: 110,104 km (0.094 R)
• M2: 448,195 km (0.117 R)
• M3: 749,186 km (0.107 R)
• M4: 1,236,726 km (0.076 R)
• M5: 1,757,177 km (0.063 R)
• M6: 2,103,047 km (0.077 R)
• M7: 2,819,022 km (0.112 R)
• M8: 3,296,090 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 8.4

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.05 AU - 1.57 AU

Year: 1000 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 109.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,785,173 km

• M1: 106,813 km (0.094 R)
• M2: 411,843 km (0.118 R)
• M3: 674,387 km (0.041 R)
• M4: 998,117 km (0.104 R)
• M5: 1,921,285 km (0.11 R)
• M6: 2,282,265 km (0.072 R)
• M7: 3,127,493 km (0.072 R)
• M8: 3,476,505 km (0.068 R)
• M9: 3,932,928 km (0.106 R)
• M10: 4,428,695 km (0.083 R)
• M11: 5,101,587 km (0.047 R)
• M12: 5,401,231 km (0.114 R)
• M13: 5,840,750 km (0.052 R)
• M14: 6,236,137 km (0.1 R)
• M15: 6,886,738 km (0.117 R)
• M16: 7,788,963 km (0.049 R)
• M17: 8,133,337 km (0.102 R)
• M18: 8,460,208 km (0.105 R)
• M19: 10,545,603 km (0.041 R)
• M20: 11,232,706 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 10.2

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.62 AU - 2.9 AU

Year: 3058 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,785,173 km

• M1: 126,859 km (0.041 R)
• M2: 609,611 km (0.094 R)
• M3: 971,638 km (0.084 R)
• M4: 1,348,176 km (0.032 R)
• M5: 1,810,284 km (0.103 R)
• M6: 2,451,161 km (0.104 R)
• M7: 3,405,296 km (0.117 R)
• M8: 3,800,684 km (0.088 R)
• M9: 4,731,930 km (0.078 R)
• M10: 6,947,624 km (0.086 R)
• M11: 8,194,822 km (0.029 R)
• M12: 9,585,484 km (0.08 R)
• M13: 10,706,720 km (0.117 R)
• M14: 11,084,903 km (0.093 R)
• M15: 14,238,725 km (0.083 R)
• M16: 14,748,106 km (0.034 R)
• M17: 15,375,370 km (0.079 R)
• M18: 16,515,904 km (0.079 R)
• M19: 18,480,573 km (0.096 R)
• M20: 20,148,140 km (0.063 R)
• M21: 20,660,962 km (0.099 R)
• M22: 20,985,888 km (0.064 R)
• M23: 21,314,106 km (0.073 R)
• M24: 22,456,136 km (0.112 R)
• M25: 23,286,554 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.9

Radius: 8.5

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.81 AU - 4.63 AU

Year: 5781 Days

Day: 14.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,785,173 km

• M1: 112,797 km (0.111 R)
• M2: 403,914 km (0.096 R)
• M3: 764,595 km (0.118 R)
• M4: 1,360,892 km (0.115 R)
• M5: 1,858,903 km (0.103 R)
• M6: 2,158,847 km (0.115 R)
• M7: 2,954,857 km (0.099 R)
• M8: 5,465,708 km (0.091 R)
• M9: 6,054,974 km (0.108 R)
• M10: 6,999,834 km (0.091 R)
• M11: 10,056,717 km (0.099 R)
• M12: 11,279,829 km (0.078 R)
• M13: 13,460,368 km (0.086 R)
• M14: 14,188,610 km (0.069 R)
• M15: 14,708,014 km (0.044 R)
• M16: 16,849,208 km (0.08 R)
• M17: 17,894,000 km (0.075 R)
• M18: 19,330,139 km (0.117 R)
• M19: 21,212,679 km (0.079 R)
• M20: 21,739,712 km (0.102 R)
• M21: 25,254,514 km (0.111 R)
• M22: 25,931,893 km (0.026 R)
• M23: 27,678,299 km (0.098 R)
• M24: 28,489,269 km (0.063 R)
• M25: 29,501,747 km (0.095 R)
• M26: 31,210,005 km (0.11 R)
• M27: 33,083,719 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.6

Radius: 6.4

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.02 AU - 9.2 AU

Year: 13999 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,785,173 km

• M1: 79,736 km (0.074 R)
• M2: 366,814 km (0.1 R)
• M3: 951,891 km (0.042 R)
• M4: 1,222,813 km (0.039 R)
• M5: 1,873,713 km (0.086 R)
• M6: 2,089,433 km (0.109 R)
• M7: 2,377,858 km (0.105 R)
• M8: 2,990,611 km (0.105 R)
• M9: 4,238,407 km (0.108 R)
• M10: 5,427,560 km (0.097 R)
• M11: 6,188,714 km (0.11 R)
• M12: 6,901,698 km (0.103 R)
• M13: 7,298,282 km (0.066 R)
• M14: 10,003,909 km (0.087 R)
• M15: 10,357,708 km (0.042 R)
• M16: 10,563,554 km (0.079 R)
• M17: 13,803,096 km (0.109 R)
• M18: 18,091,618 km (0.077 R)
• M19: 18,315,567 km (0.085 R)
• M20: 18,617,006 km (0.106 R)
• M21: 24,991,970 km (0.056 R)
• M22: 25,362,823 km (0.086 R)
• M23: 27,567,148 km (0.118 R)
• M24: 28,062,765 km (0.105 R)
• M25: 28,362,859 km (0.089 R)
• M26: 31,161,685 km (0.106 R)
• M27: 32,352,784 km (0.066 R)
• M28: 36,582,215 km (0.066 R)
• M29: 39,014,975 km (0.085 R)
• M30: 39,639,546 km (0.031 R)
• M31: 40,017,430 km (0.075 R)
• M32: 41,683,203 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.4

Radius: 4.9

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.97 AU - 8.89 AU

Year: 16322 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,785,173 km

• M1: 61,335 km (0.091 R)
• M2: 411,843 km (0.064 R)
• M3: 1,407,866 km (0.115 R)
• M4: 1,592,021 km (0.069 R)
• M5: 1,821,952 km (0.098 R)
• M6: 2,384,889 km (0.103 R)
• M7: 2,686,927 km (0.109 R)
• M8: 5,060,447 km (0.061 R)
• M9: 7,022,872 km (0.098 R)
• M10: 7,803,025 km (0.101 R)
• M11: 7,965,638 km (0.111 R)
• M12: 9,213,882 km (0.086 R)
• M13: 10,686,524 km (0.053 R)
• M14: 13,614,453 km (0.031 R)
• M15: 16,033,900 km (0.054 R)
• M16: 18,652,910 km (0.076 R)
• M17: 21,944,811 km (0.041 R)
• M18: 24,026,316 km (0.049 R)
• M19: 24,631,888 km (0.092 R)
• M20: 25,693,733 km (0.053 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: 470 - 19,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit