🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 12

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.53 AU - 0.69 AU

Year: 318 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,078,373 km

• M1: 149,299 km (0.038 R)
• M2: 552,166 km (0.109 R)
• M3: 1,178,532 km (0.068 R)
• M4: 2,048,294 km (0.119 R)
• M5: 2,474,050 km (0.1 R)
• M6: 3,263,178 km (0.109 R)
• M7: 4,174,379 km (0.115 R)
• M8: 4,641,424 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 9.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.81 AU - 0.99 AU

Year: 569 Days

Day: 6.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,078,373 km

• M1: 116,986 km (0.074 R)
• M2: 409,898 km (0.091 R)
• M3: 774,169 km (0.041 R)
• M4: 1,522,308 km (0.106 R)
• M5: 1,872,217 km (0.047 R)
• M6: 2,469,711 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 9.8

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.84 AU - 1.16 AU

Year: 667 Days

Day: 8.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,078,373 km

• M1: 121,922 km (0.108 R)
• M2: 442,810 km (0.092 R)
• M3: 1,105,079 km (0.068 R)
• M4: 1,544,897 km (0.102 R)
• M5: 2,089,882 km (0.111 R)
• M6: 2,499,332 km (0.114 R)
• M7: 2,937,653 km (0.099 R)
• M8: 3,999,499 km (0.11 R)
• M9: 4,786,683 km (0.118 R)
• M10: 5,244,602 km (0.068 R)
• M11: 5,578,654 km (0.043 R)
• M12: 8,182,704 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 13.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.02 AU - 1.44 AU

Year: 910 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,078,373 km

• M1: 165,006 km (0.088 R)
• M2: 712,385 km (0.093 R)
• M3: 1,226,703 km (0.091 R)
• M4: 1,974,991 km (0.055 R)
• M5: 2,804,810 km (0.081 R)
• M6: 3,386,597 km (0.066 R)
• M7: 4,578,144 km (0.083 R)
• M8: 5,032,323 km (0.085 R)
• M9: 5,581,497 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 8.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.74 AU - 2.3 AU

Year: 1915 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,078,373 km

• M1: 111,002 km (0.039 R)
• M2: 415,134 km (0.082 R)
• M3: 706,700 km (0.07 R)
• M4: 1,019,958 km (0.084 R)
• M5: 1,349,373 km (0.051 R)
• M6: 1,679,834 km (0.089 R)
• M7: 2,265,809 km (0.12 R)
• M8: 2,654,465 km (0.089 R)
• M9: 3,719,601 km (0.104 R)
• M10: 4,262,941 km (0.102 R)
• M11: 6,873,424 km (0.074 R)
• M12: 7,920,609 km (0.08 R)
• M13: 8,757,759 km (0.111 R)
• M14: 9,423,469 km (0.041 R)
• M15: 9,785,346 km (0.103 R)
• M16: 11,143,994 km (0.101 R)
• M17: 11,925,643 km (0.097 R)
• M18: 12,663,909 km (0.074 R)
• M19: 13,267,985 km (0.104 R)
• M20: 14,274,180 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.2

Radius: 11.4

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.58 AU - 6.4 AU

Year: 8578 Days

Day: 5.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,078,373 km

• M1: 144,362 km (0.086 R)
• M2: 533,616 km (0.08 R)
• M3: 1,119,590 km (0.116 R)
• M4: 1,993,691 km (0.101 R)
• M5: 2,549,597 km (0.025 R)
• M6: 3,207,079 km (0.109 R)
• M7: 3,588,703 km (0.083 R)
• M8: 7,059,972 km (0.093 R)
• M9: 8,898,979 km (0.11 R)
• M10: 11,038,228 km (0.054 R)
• M11: 11,581,119 km (0.032 R)
• M12: 12,838,489 km (0.088 R)
• M13: 13,684,615 km (0.063 R)
• M14: 14,439,186 km (0.07 R)
• M15: 16,168,987 km (0.08 R)
• M16: 20,276,795 km (0.108 R)
• M17: 20,681,606 km (0.104 R)
• M18: 21,174,531 km (0.111 R)
• M19: 21,928,654 km (0.089 R)
• M20: 24,847,608 km (0.119 R)
• M21: 27,618,609 km (0.075 R)
• M22: 28,518,889 km (0.078 R)
• M23: 33,993,872 km (0.06 R)
• M24: 40,258,732 km (0.089 R)
• M25: 41,156,768 km (0.103 R)
• M26: 47,678,786 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.5

Radius: 3.4

Gravity: 65.79 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.02 AU - 6.9 AU

Year: 9703 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,078,373 km

• M1: 43,533 km (0.074 R)
• M2: 156,629 km (0.064 R)
• M3: 289,621 km (0.111 R)
• M4: 581,337 km (0.106 R)
• M5: 1,434,943 km (0.086 R)
• M6: 2,903,246 km (0.114 R)
• M7: 3,060,473 km (0.037 R)
• M8: 3,199,749 km (0.117 R)
• M9: 3,617,426 km (0.078 R)
• M10: 4,296,301 km (0.08 R)
• M11: 4,500,802 km (0.077 R)
• M12: 5,120,586 km (0.112 R)
• M13: 6,081,153 km (0.099 R)
• M14: 6,301,661 km (0.113 R)
• M15: 7,360,365 km (0.111 R)
• M16: 7,695,464 km (0.114 R)
• M17: 10,331,827 km (0.106 R)
• M18: 10,751,749 km (0.113 R)
• M19: 12,369,650 km (0.096 R)
• M20: 13,451,392 km (0.098 R)
• M21: 13,762,705 km (0.075 R)
• M22: 14,660,143 km (0.054 R)
• M23: 16,217,756 km (0.084 R)
• M24: 17,437,577 km (0.118 R)
• M25: 18,949,413 km (0.113 R)
• M26: 19,340,611 km (0.066 R)
• M27: 21,125,912 km (0.091 R)
• M28: 21,461,909 km (0.101 R)
• M29: 25,680,718 km (0.111 R)
• M30: 28,952,125 km (0.071 R)
• M31: 41,450,129 km (0.117 R)
• M32: 42,241,352 km (0.053 R)
• M33: 43,718,033 km (0.119 R)
• M34: 44,537,680 km (0.097 R)
• M35: 45,926,696 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.9

Radius: 4.9

Gravity: 25.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.39 AU - 6.69 AU

Year: 9899 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 46,078,373 km

• M1: 61,036 km (0.111 R)
• M2: 266,284 km (0.05 R)
• M3: 460,612 km (0.062 R)
• M4: 725,101 km (0.112 R)
• M5: 1,043,146 km (0.112 R)
• M6: 1,222,663 km (0.108 R)
• M7: 1,503,459 km (0.078 R)
• M8: 1,810,583 km (0.087 R)
• M9: 2,004,163 km (0.051 R)
• M10: 2,857,020 km (0.087 R)
• M11: 3,211,717 km (0.112 R)
• M12: 3,423,846 km (0.111 R)
• M13: 3,620,119 km (0.087 R)
• M14: 4,687,051 km (0.096 R)
• M15: 5,022,449 km (0.054 R)
• M16: 6,125,135 km (0.059 R)
• M17: 8,527,079 km (0.107 R)
• M18: 9,886,175 km (0.083 R)
• M19: 10,488,606 km (0.113 R)
• M20: 12,673,632 km (0.076 R)
• M21: 14,948,717 km (0.078 R)
• M22: 15,474,105 km (0.117 R)
• M23: 15,943,842 km (0.072 R)
• M24: 16,492,268 km (0.054 R)
• M25: 18,585,890 km (0.091 R)
• M26: 19,424,386 km (0.099 R)
• M27: 24,266,121 km (0.096 R)
• M28: 25,266,931 km (0.108 R)
• M29: 26,106,025 km (0.092 R)
• M30: 26,389,812 km (0.036 R)
• M31: 29,546,178 km (0.061 R)
• M32: 30,581,844 km (0.089 R)
• M33: 33,946,001 km (0.12 R)
• M34: 35,427,319 km (0.056 R)
• M35: 36,008,357 km (0.077 R)
• M36: 41,398,368 km (0.075 R)
• M37: 42,302,538 km (0.101 R)
• M38: 44,418,600 km (0.084 R)
• M39: 44,688,026 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.9

Radius: 5.2

Gravity: 22.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.11 AU - 7.01 AU

Year: 9948 Days

Day: 18.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,078,373 km

• M1: 64,776 km (0.08 R)
• M2: 282,890 km (0.063 R)
• M3: 503,098 km (0.106 R)
• M4: 1,118,693 km (0.102 R)
• M5: 1,658,891 km (0.091 R)
• M6: 1,954,197 km (0.085 R)
• M7: 2,711,013 km (0.099 R)
• M8: 4,011,018 km (0.099 R)
• M9: 4,811,516 km (0.112 R)
• M10: 5,478,124 km (0.106 R)
• M11: 6,349,682 km (0.071 R)
• M12: 7,595,682 km (0.101 R)
• M13: 8,541,290 km (0.098 R)
• M14: 9,135,643 km (0.108 R)
• M15: 9,514,873 km (0.089 R)
• M16: 10,003,610 km (0.084 R)
• M17: 10,254,186 km (0.075 R)
• M18: 11,680,153 km (0.09 R)
• M19: 14,028,241 km (0.091 R)
• M20: 14,660,891 km (0.119 R)
• M21: 15,049,546 km (0.038 R)
• M22: 15,779,883 km (0.112 R)
• M23: 17,818,004 km (0.091 R)
• M24: 18,335,164 km (0.104 R)
• M25: 24,790,910 km (0.079 R)
• M26: 26,949,458 km (0.101 R)
• M27: 30,469,496 km (0.049 R)
• M28: 32,502,830 km (0.041 R)
• M29: 32,942,199 km (0.109 R)
• M30: 33,163,454 km (0.11 R)
• M31: 35,778,276 km (0.113 R)
• M32: 36,246,666 km (0.1 R)
• M33: 37,676,224 km (0.051 R)
• M34: 41,029,610 km (0.071 R)
• M35: 44,982,883 km (0.041 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: 430 - 16,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit