🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 14.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,568,564 km

• M1: 175,329 km (0.111 R)
• M2: 801,396 km (0.077 R)
• M3: 1,292,077 km (0.082 R)
• M4: 1,796,820 km (0.118 R)
• M5: 2,316,972 km (0.069 R)
• M6: 2,756,490 km (0.11 R)
• M7: 3,843,020 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 9.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.98 AU - 1.06 AU

Year: 687 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,568,564 km

• M1: 120,725 km (0.106 R)
• M2: 510,727 km (0.045 R)
• M3: 1,525,599 km (0.071 R)
• M4: 2,139,848 km (0.118 R)
• M5: 2,485,120 km (0.068 R)
• M6: 2,813,637 km (0.061 R)
• M7: 3,194,663 km (0.094 R)
• M8: 3,534,100 km (0.098 R)
• M9: 4,060,984 km (0.113 R)
• M10: 5,028,583 km (0.081 R)
• M11: 6,124,537 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52

Radius: 12.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.56 AU - 1.64 AU

Year: 1350 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,568,564 km

• M1: 156,629 km (0.097 R)
• M2: 651,349 km (0.086 R)
• M3: 1,066,932 km (0.088 R)
• M4: 1,786,498 km (0.085 R)
• M5: 3,099,069 km (0.08 R)
• M6: 3,641,063 km (0.096 R)
• M7: 4,037,048 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.1

Radius: 10.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.98 AU - 4.16 AU

Year: 4498 Days

Day: 5 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,568,564 km

• M1: 130,599 km (0.097 R)
• M2: 468,690 km (0.105 R)
• M3: 832,811 km (0.117 R)
• M4: 1,232,836 km (0.074 R)
• M5: 2,238,583 km (0.081 R)
• M6: 2,731,807 km (0.083 R)
• M7: 3,069,150 km (0.11 R)
• M8: 4,962,461 km (0.088 R)
• M9: 6,965,576 km (0.118 R)
• M10: 8,129,148 km (0.109 R)
• M11: 8,457,815 km (0.077 R)
• M12: 8,795,308 km (0.105 R)
• M13: 9,141,926 km (0.096 R)
• M14: 10,620,551 km (0.068 R)
• M15: 12,157,669 km (0.103 R)
• M16: 13,581,841 km (0.064 R)
• M17: 15,114,322 km (0.057 R)
• M18: 16,064,418 km (0.107 R)
• M19: 17,054,008 km (0.053 R)
• M20: 17,412,743 km (0.057 R)
• M21: 18,021,906 km (0.051 R)
• M22: 19,869,140 km (0.094 R)
• M23: 23,787,707 km (0.06 R)
• M24: 24,386,547 km (0.092 R)
• M25: 24,766,077 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.2

Radius: 4.2

Gravity: 45.25 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.66 AU - 7.18 AU

Year: 12139 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 175.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,568,564 km

• M1: 57,146 km (0.099 R)
• M2: 269,875 km (0.054 R)
• M3: 477,516 km (0.036 R)
• M4: 622,178 km (0.085 R)
• M5: 759,060 km (0.078 R)
• M6: 980,913 km (0.091 R)
• M7: 1,156,092 km (0.104 R)
• M8: 2,427,674 km (0.095 R)
• M9: 2,617,813 km (0.107 R)
• M10: 3,480,245 km (0.035 R)
• M11: 5,208,549 km (0.077 R)
• M12: 6,276,079 km (0.091 R)
• M13: 7,134,771 km (0.084 R)
• M14: 14,735,540 km (0.12 R)
• M15: 16,992,822 km (0.095 R)
• M16: 22,544,698 km (0.112 R)
• M17: 23,008,751 km (0.118 R)
• M18: 25,826,726 km (0.057 R)
• M19: 29,303,530 km (0.055 R)
• M20: 29,634,291 km (0.119 R)
• M21: 44,127,034 km (0.085 R)
• M22: 44,416,356 km (0.044 R)
• M23: 46,927,057 km (0.077 R)
• M24: 48,293,633 km (0.08 R)
• M25: 49,843,019 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.8

Radius: 5.9

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.58 AU - 11.1 AU

Year: 20584 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,568,564 km

• M1: 73,453 km (0.114 R)
• M2: 298,897 km (0.117 R)
• M3: 677,230 km (0.113 R)
• M4: 2,487,663 km (0.109 R)
• M5: 3,720,349 km (0.066 R)
• M6: 3,945,345 km (0.115 R)
• M7: 6,280,717 km (0.042 R)
• M8: 7,759,791 km (0.109 R)
• M9: 8,174,626 km (0.106 R)
• M10: 8,555,951 km (0.07 R)
• M11: 10,810,840 km (0.047 R)
• M12: 13,368,365 km (0.085 R)
• M13: 14,099,450 km (0.115 R)
• M14: 14,856,864 km (0.114 R)
• M15: 18,239,272 km (0.085 R)
• M16: 21,468,042 km (0.085 R)
• M17: 24,466,732 km (0.076 R)
• M18: 26,579,502 km (0.03 R)
• M19: 27,946,528 km (0.057 R)
• M20: 28,484,631 km (0.116 R)
• M21: 30,934,596 km (0.053 R)
• M22: 31,742,574 km (0.034 R)
• M23: 34,619,939 km (0.12 R)
• M24: 50,839,789 km (0.097 R)
• M25: 51,802,751 km (0.075 R)
• M26: 52,126,331 km (0.029 R)
• M27: 56,971,955 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436

Radius: 3.4

Gravity: 37.72 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.75 AU - 11.23 AU

Year: 21056 Days

Day: 24.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,568,564 km

• M1: 42,785 km (0.102 R)
• M2: 304,282 km (0.033 R)
• M3: 443,707 km (0.094 R)
• M4: 616,942 km (0.095 R)
• M5: 763,099 km (0.053 R)
• M6: 887,564 km (0.083 R)
• M7: 2,078,513 km (0.065 R)
• M8: 2,198,640 km (0.113 R)
• M9: 2,919,851 km (0.11 R)
• M10: 4,810,918 km (0.097 R)
• M11: 5,129,561 km (0.076 R)
• M12: 5,275,569 km (0.066 R)
• M13: 6,007,551 km (0.077 R)
• M14: 6,545,655 km (0.085 R)
• M15: 7,251,458 km (0.051 R)
• M16: 9,451,145 km (0.109 R)
• M17: 10,234,738 km (0.033 R)
• M18: 11,614,779 km (0.044 R)
• M19: 13,113,899 km (0.047 R)
• M20: 15,331,987 km (0.109 R)
• M21: 17,954,587 km (0.082 R)
• M22: 18,977,836 km (0.119 R)
• M23: 21,610,160 km (0.034 R)
• M24: 23,560,917 km (0.113 R)
• M25: 26,593,265 km (0.065 R)
• M26: 29,175,474 km (0.108 R)
• M27: 42,056,150 km (0.104 R)
• M28: 42,352,354 km (0.092 R)
• M29: 43,702,624 km (0.097 R)
• M30: 46,964,157 km (0.113 R)
• M31: 50,384,264 km (0.075 R)
• M32: 50,886,015 km (0.1 R)
• M33: 59,933,096 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.7

Radius: 6

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.89 AU - 10.91 AU

Year: 23998 Days

Day: 21.2 Hours

Environment

Temp: -246 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,568,564 km

• M1: 74,649 km (0.106 R)
• M2: 366,515 km (0.059 R)
• M3: 1,140,833 km (0.118 R)
• M4: 1,377,946 km (0.071 R)
• M5: 2,205,970 km (0.031 R)
• M6: 2,577,272 km (0.101 R)
• M7: 5,049,078 km (0.108 R)
• M8: 7,956,363 km (0.038 R)
• M9: 9,054,710 km (0.038 R)
• M10: 11,346,849 km (0.08 R)
• M11: 11,820,177 km (0.117 R)
• M12: 13,245,395 km (0.113 R)
• M13: 14,153,305 km (0.108 R)
• M14: 18,478,479 km (0.043 R)
• M15: 19,707,126 km (0.107 R)
• M16: 21,394,739 km (0.108 R)
• M17: 22,431,154 km (0.058 R)
• M18: 24,380,414 km (0.051 R)
• M19: 24,828,459 km (0.112 R)
• M20: 28,119,613 km (0.107 R)
• M21: 29,236,361 km (0.041 R)
• M22: 39,102,191 km (0.029 R)
• M23: 41,278,540 km (0.075 R)
• M24: 42,075,000 km (0.099 R)
• M25: 49,174,017 km (0.082 R)
• M26: 49,889,095 km (0.079 R)
• M27: 59,420,573 km (0.084 R)
• M28: 61,462,136 km (0.1 R)
• M29: 62,709,333 km (0.083 R)
• M30: 76,359,989 km (0.223 R)
• M31: 76,598,897 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit