🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 14.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.9 AU - 1.42 AU

Year: 807 Days

Day: 11.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,648,091 km

• M1: 182,809 km (0.099 R)
• M2: 954,883 km (0.06 R)
• M3: 2,262,668 km (0.098 R)
• M4: 2,853,280 km (0.042 R)
• M5: 3,421,303 km (0.079 R)
• M6: 4,913,991 km (0.097 R)
• M7: 5,701,175 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 11.2

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.14 AU - 1.52 AU

Year: 990 Days

Day: 13.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,648,091 km

• M1: 139,276 km (0.092 R)
• M2: 545,883 km (0.12 R)
• M3: 1,416,991 km (0.102 R)
• M4: 1,879,248 km (0.115 R)
• M5: 2,340,459 km (0.098 R)
• M6: 2,915,214 km (0.116 R)
• M7: 3,873,238 km (0.095 R)
• M8: 5,475,581 km (0.116 R)
• M9: 6,380,798 km (0.098 R)
• M10: 7,141,054 km (0.046 R)
• M11: 8,568,068 km (0.119 R)
• M12: 9,121,132 km (0.077 R)
• M13: 9,639,189 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 11

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.7 AU - 1.74 AU

Year: 1456 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,648,091 km

• M1: 137,032 km (0.11 R)
• M2: 642,972 km (0.109 R)
• M3: 989,590 km (0.117 R)
• M4: 1,358,199 km (0.055 R)
• M5: 1,702,424 km (0.107 R)
• M6: 2,162,138 km (0.103 R)
• M7: 2,853,131 km (0.085 R)
• M8: 3,304,168 km (0.096 R)
• M9: 4,595,946 km (0.112 R)
• M10: 4,971,137 km (0.117 R)
• M11: 5,851,371 km (0.099 R)
• M12: 6,632,870 km (0.106 R)
• M13: 7,296,487 km (0.085 R)
• M14: 8,316,594 km (0.072 R)
• M15: 10,368,628 km (0.118 R)
• M16: 11,262,775 km (0.106 R)
• M17: 11,656,217 km (0.103 R)
• M18: 12,357,532 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.2

Radius: 8.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.68 AU - 1.9 AU

Year: 1546 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,648,091 km

• M1: 104,419 km (0.075 R)
• M2: 391,348 km (0.098 R)
• M3: 690,693 km (0.11 R)
• M4: 1,061,397 km (0.103 R)
• M5: 1,330,523 km (0.114 R)
• M6: 1,949,410 km (0.1 R)
• M7: 2,714,902 km (0.102 R)
• M8: 4,415,980 km (0.117 R)
• M9: 4,875,993 km (0.084 R)
• M10: 5,177,134 km (0.119 R)
• M11: 5,455,386 km (0.11 R)
• M12: 6,060,958 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3 AU - 3.16 AU

Year: 3490 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,648,091 km

• M1: 111,899 km (0.119 R)
• M2: 485,445 km (0.055 R)
• M3: 930,948 km (0.115 R)
• M4: 1,282,503 km (0.088 R)
• M5: 1,788,443 km (0.08 R)
• M6: 4,112,146 km (0.12 R)
• M7: 5,028,732 km (0.096 R)
• M8: 5,402,578 km (0.109 R)
• M9: 5,946,964 km (0.116 R)
• M10: 6,719,936 km (0.048 R)
• M11: 7,379,364 km (0.097 R)
• M12: 7,679,158 km (0.119 R)
• M13: 9,724,011 km (0.066 R)
• M14: 10,342,898 km (0.101 R)
• M15: 11,578,576 km (0.074 R)
• M16: 11,984,136 km (0.101 R)
• M17: 14,761,420 km (0.079 R)
• M18: 16,886,458 km (0.106 R)
• M19: 17,461,213 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 14.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.74 AU - 5.08 AU

Year: 5980 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,648,091 km

• M1: 175,329 km (0.08 R)
• M2: 634,893 km (0.085 R)
• M3: 1,109,268 km (0.102 R)
• M4: 1,556,566 km (0.118 R)
• M5: 2,113,519 km (0.083 R)
• M6: 2,979,990 km (0.106 R)
• M7: 3,917,071 km (0.117 R)
• M8: 4,419,420 km (0.077 R)
• M9: 5,334,959 km (0.059 R)
• M10: 7,786,569 km (0.068 R)
• M11: 8,436,572 km (0.062 R)
• M12: 9,722,366 km (0.043 R)
• M13: 12,341,525 km (0.111 R)
• M14: 13,327,525 km (0.055 R)
• M15: 15,068,395 km (0.079 R)
• M16: 15,794,394 km (0.058 R)
• M17: 16,252,612 km (0.063 R)
• M18: 18,742,220 km (0.12 R)
• M19: 21,546,133 km (0.099 R)
• M20: 24,087,800 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.8

Radius: 7.9

Gravity: 14.75 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.23 AU - 6.51 AU

Year: 10381 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,648,091 km

• M1: 98,585 km (0.096 R)
• M2: 557,850 km (0.081 R)
• M3: 985,401 km (0.114 R)
• M4: 1,273,975 km (0.089 R)
• M5: 1,695,393 km (0.027 R)
• M6: 2,226,016 km (0.107 R)
• M7: 2,479,585 km (0.117 R)
• M8: 2,752,451 km (0.12 R)
• M9: 3,022,176 km (0.072 R)
• M10: 3,384,203 km (0.085 R)
• M11: 3,856,783 km (0.094 R)
• M12: 4,836,649 km (0.095 R)
• M13: 5,647,320 km (0.096 R)
• M14: 6,428,370 km (0.072 R)
• M15: 7,237,246 km (0.098 R)
• M16: 9,105,125 km (0.054 R)
• M17: 9,503,953 km (0.084 R)
• M18: 11,559,278 km (0.06 R)
• M19: 15,521,078 km (0.088 R)
• M20: 15,946,834 km (0.111 R)
• M21: 18,271,884 km (0.096 R)
• M22: 21,331,759 km (0.092 R)
• M23: 26,285,842 km (0.104 R)
• M24: 30,166,111 km (0.034 R)
• M25: 35,257,525 km (0.115 R)
• M26: 38,391,302 km (0.114 R)
• M27: 49,201,842 km (0.106 R)
• M28: 50,584,276 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.8

Radius: 6.5

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.09 AU - 7.09 AU

Year: 10923 Days

Day: 18.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,648,091 km

• M1: 141,520 km (0.088 R)
• M2: 436,527 km (0.115 R)
• M3: 957,277 km (0.08 R)
• M4: 1,832,724 km (0.098 R)
• M5: 2,258,479 km (0.073 R)
• M6: 3,887,749 km (0.036 R)
• M7: 4,645,463 km (0.083 R)
• M8: 5,103,382 km (0.088 R)
• M9: 9,867,625 km (0.071 R)
• M10: 10,099,801 km (0.084 R)
• M11: 11,622,408 km (0.112 R)
• M12: 15,238,189 km (0.11 R)
• M13: 30,438,380 km (0.059 R)
• M14: 32,646,594 km (0.12 R)
• M15: 37,604,417 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.5

Radius: 8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.89 AU - 8.03 AU

Year: 13156 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,648,091 km

• M1: 99,483 km (0.041 R)
• M2: 710,141 km (0.117 R)
• M3: 1,033,123 km (0.06 R)
• M4: 1,746,106 km (0.11 R)
• M5: 2,376,213 km (0.074 R)
• M6: 2,768,907 km (0.08 R)
• M7: 3,565,216 km (0.103 R)
• M8: 5,261,656 km (0.089 R)
• M9: 6,746,116 km (0.043 R)
• M10: 9,524,597 km (0.087 R)
• M11: 14,456,839 km (0.091 R)
• M12: 16,753,466 km (0.094 R)
• M13: 21,257,109 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.3

Radius: 3.4

Gravity: 76.41 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.06 AU - 8.1 AU

Year: 13475 Days

Day: 20.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,648,091 km

• M1: 45,478 km (0.086 R)
• M2: 172,636 km (0.091 R)
• M3: 302,786 km (0.079 R)
• M4: 445,054 km (0.048 R)
• M5: 766,839 km (0.099 R)
• M6: 1,225,955 km (0.092 R)
• M7: 1,561,652 km (0.118 R)
• M8: 1,675,197 km (0.092 R)
• M9: 2,498,434 km (0.116 R)
• M10: 2,816,330 km (0.102 R)
• M11: 3,786,322 km (0.093 R)
• M12: 4,362,274 km (0.066 R)
• M13: 5,099,343 km (0.053 R)
• M14: 7,434,117 km (0.054 R)
• M15: 9,891,860 km (0.032 R)
• M16: 10,798,872 km (0.119 R)
• M17: 13,238,813 km (0.115 R)
• M18: 16,716,216 km (0.119 R)
• M19: 16,951,683 km (0.076 R)
• M20: 17,834,460 km (0.094 R)
• M21: 22,329,876 km (0.112 R)
• M22: 27,091,277 km (0.092 R)
• M23: 30,459,323 km (0.1 R)
• M24: 32,730,668 km (0.101 R)
• M25: 32,976,158 km (0.057 R)
• M26: 34,984,360 km (0.077 R)
• M27: 36,280,027 km (0.093 R)
• M28: 40,782,025 km (0.1 R)
• M29: 44,280,521 km (0.063 R)
• M30: 50,710,537 km (0.104 R)
• M31: 54,748,782 km (0.063 R)
• M32: 55,616,150 km (0.046 R)
• M33: 58,453,423 km (0.108 R)
• M34: 62,510,069 km (0.067 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 17,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit