🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 13.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.76 AU - 2.58 AU

Year: 2247 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,244,090 km

• M1: 196,572 km (0.051 R)
• M2: 782,995 km (0.087 R)
• M3: 1,358,947 km (0.111 R)
• M4: 1,802,954 km (0.091 R)
• M5: 2,280,320 km (0.082 R)
• M6: 3,631,040 km (0.054 R)
• M7: 4,473,276 km (0.105 R)
• M8: 5,130,010 km (0.072 R)
• M9: 6,126,781 km (0.111 R)
• M10: 6,845,150 km (0.119 R)
• M11: 8,001,242 km (0.066 R)
• M12: 8,749,830 km (0.119 R)
• M13: 9,632,457 km (0.118 R)
• M14: 10,325,095 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.2

Radius: 13.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.04 AU - 2.74 AU

Year: 2597 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,244,090 km

• M1: 167,101 km (0.096 R)
• M2: 796,010 km (0.099 R)
• M3: 1,789,789 km (0.111 R)
• M4: 2,297,823 km (0.112 R)
• M5: 2,869,586 km (0.097 R)
• M6: 3,516,448 km (0.089 R)
• M7: 4,174,080 km (0.094 R)
• M8: 4,634,392 km (0.088 R)
• M9: 7,919,562 km (0.085 R)
• M10: 10,059,110 km (0.068 R)
• M11: 11,556,884 km (0.091 R)
• M12: 12,029,614 km (0.105 R)
• M13: 12,876,637 km (0.098 R)
• M14: 13,668,009 km (0.083 R)
• M15: 19,292,740 km (0.087 R)
• M16: 20,515,702 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 13.6

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.54 AU - 2.66 AU

Year: 2947 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,244,090 km

• M1: 169,943 km (0.046 R)
• M2: 667,954 km (0.11 R)
• M3: 1,342,790 km (0.072 R)
• M4: 1,792,182 km (0.102 R)
• M5: 2,618,262 km (0.062 R)
• M6: 3,851,696 km (0.085 R)
• M7: 4,847,569 km (0.108 R)
• M8: 5,634,753 km (0.058 R)
• M9: 6,505,712 km (0.105 R)
• M10: 7,613,335 km (0.06 R)
• M11: 8,259,747 km (0.077 R)
• M12: 9,875,853 km (0.071 R)
• M13: 10,384,635 km (0.085 R)
• M14: 10,949,367 km (0.111 R)
• M15: 12,767,281 km (0.113 R)
• M16: 14,040,807 km (0.059 R)
• M17: 14,499,026 km (0.097 R)
• M18: 17,462,111 km (0.111 R)
• M19: 17,939,029 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 13.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.36 AU - 3.02 AU

Year: 3101 Days

Day: 5.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 73.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,244,090 km

• M1: 162,912 km (0.081 R)
• M2: 603,927 km (0.088 R)
• M3: 1,057,059 km (0.081 R)
• M4: 1,712,447 km (0.108 R)
• M5: 2,168,421 km (0.1 R)
• M6: 2,628,584 km (0.036 R)
• M7: 3,119,265 km (0.106 R)
• M8: 3,710,177 km (0.109 R)
• M9: 4,736,418 km (0.093 R)
• M10: 5,241,461 km (0.096 R)
• M11: 6,474,895 km (0.056 R)
• M12: 7,827,709 km (0.038 R)
• M13: 10,356,810 km (0.069 R)
• M14: 10,880,552 km (0.066 R)
• M15: 12,112,790 km (0.059 R)
• M16: 13,294,763 km (0.08 R)
• M17: 13,817,458 km (0.118 R)
• M18: 15,572,540 km (0.038 R)
• M19: 16,585,318 km (0.117 R)
• M20: 17,024,686 km (0.091 R)
• M21: 18,157,142 km (0.113 R)
• M22: 18,919,942 km (0.071 R)
• M23: 19,642,799 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.4

Radius: 11.3

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.26 AU - 3.5 AU

Year: 3436 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,244,090 km

• M1: 140,622 km (0.107 R)
• M2: 683,064 km (0.101 R)
• M3: 1,489,696 km (0.111 R)
• M4: 1,964,968 km (0.083 R)
• M5: 2,701,139 km (0.088 R)
• M6: 3,188,679 km (0.103 R)
• M7: 4,598,339 km (0.102 R)
• M8: 5,193,140 km (0.11 R)
• M9: 5,563,246 km (0.084 R)
• M10: 6,597,266 km (0.03 R)
• M11: 9,425,563 km (0.047 R)
• M12: 10,679,044 km (0.093 R)
• M13: 12,178,314 km (0.05 R)
• M14: 14,218,380 km (0.108 R)
• M15: 14,631,420 km (0.055 R)
• M16: 15,863,657 km (0.082 R)
• M17: 16,875,388 km (0.051 R)
• M18: 19,465,825 km (0.043 R)
• M19: 21,221,505 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 12.5

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.85 AU - 3.01 AU

Year: 3525 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,244,090 km

• M1: 155,432 km (0.091 R)
• M2: 545,883 km (0.098 R)
• M3: 1,195,287 km (0.071 R)
• M4: 1,675,496 km (0.106 R)
• M5: 3,532,903 km (0.111 R)
• M6: 4,711,884 km (0.106 R)
• M7: 6,078,760 km (0.091 R)
• M8: 7,491,263 km (0.1 R)
• M9: 8,256,755 km (0.074 R)
• M10: 10,399,446 km (0.032 R)
• M11: 12,268,521 km (0.03 R)
• M12: 13,989,495 km (0.1 R)
• M13: 15,042,515 km (0.111 R)
• M14: 17,664,068 km (0.103 R)
• M15: 18,956,593 km (0.115 R)
• M16: 21,454,579 km (0.066 R)
• M17: 23,285,357 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860

Radius: 5.5

Gravity: 28.43 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.62 AU - 7.42 AU

Year: 10383 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 46,244,090 km

• M1: 68,366 km (0.072 R)
• M2: 289,322 km (0.094 R)
• M3: 461,061 km (0.095 R)
• M4: 647,759 km (0.027 R)
• M5: 905,666 km (0.049 R)
• M6: 1,157,588 km (0.088 R)
• M7: 1,427,762 km (0.054 R)
• M8: 1,600,548 km (0.072 R)
• M9: 1,852,770 km (0.108 R)
• M10: 2,518,331 km (0.1 R)
• M11: 3,113,730 km (0.119 R)
• M12: 3,825,666 km (0.119 R)
• M13: 4,609,858 km (0.065 R)
• M14: 6,184,376 km (0.085 R)
• M15: 8,041,185 km (0.105 R)
• M16: 10,943,533 km (0.087 R)
• M17: 11,505,871 km (0.073 R)
• M18: 11,794,296 km (0.034 R)
• M19: 12,934,082 km (0.053 R)
• M20: 14,079,852 km (0.117 R)
• M21: 15,430,572 km (0.092 R)
• M22: 15,781,229 km (0.038 R)
• M23: 15,994,256 km (0.113 R)
• M24: 16,571,555 km (0.078 R)
• M25: 16,791,613 km (0.081 R)
• M26: 17,539,154 km (0.079 R)
• M27: 20,163,699 km (0.089 R)
• M28: 31,006,702 km (0.086 R)
• M29: 31,340,904 km (0.108 R)
• M30: 31,903,392 km (0.113 R)
• M31: 33,397,276 km (0.109 R)
• M32: 36,647,589 km (0.115 R)
• M33: 38,285,237 km (0.111 R)
• M34: 41,435,618 km (0.072 R)
• M35: 44,754,597 km (0.039 R)
• M36: 51,602,888 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.7

Radius: 6.2

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.24 AU - 6.4 AU

Year: 11168 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,244,090 km

• M1: 77,193 km (0.089 R)
• M2: 357,988 km (0.05 R)
• M3: 588,518 km (0.084 R)
• M4: 1,006,794 km (0.108 R)
• M5: 1,292,974 km (0.089 R)
• M6: 1,762,712 km (0.117 R)
• M7: 3,506,873 km (0.067 R)
• M8: 4,120,225 km (0.072 R)
• M9: 5,018,560 km (0.111 R)
• M10: 5,856,607 km (0.099 R)
• M11: 7,056,681 km (0.094 R)
• M12: 10,196,142 km (0.107 R)
• M13: 14,048,886 km (0.118 R)
• M14: 14,435,895 km (0.097 R)
• M15: 15,463,932 km (0.058 R)
• M16: 18,773,186 km (0.046 R)
• M17: 19,858,070 km (0.096 R)
• M18: 20,841,078 km (0.106 R)
• M19: 21,127,707 km (0.07 R)
• M20: 23,209,062 km (0.083 R)
• M21: 25,998,016 km (0.031 R)
• M22: 26,918,790 km (0.111 R)
• M23: 28,824,967 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.4

Radius: 6.5

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.43 AU - 7.59 AU

Year: 13046 Days

Day: 24.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,244,090 km

• M1: 82,428 km (0.084 R)
• M2: 292,015 km (0.085 R)
• M3: 911,051 km (0.069 R)
• M4: 1,847,683 km (0.114 R)
• M5: 4,662,666 km (0.036 R)
• M6: 5,851,222 km (0.099 R)
• M7: 12,934,830 km (0.108 R)
• M8: 17,383,123 km (0.064 R)
• M9: 17,891,905 km (0.099 R)
• M10: 19,790,602 km (0.056 R)
• M11: 22,156,641 km (0.068 R)
• M12: 22,754,734 km (0.114 R)
• M13: 26,285,991 km (0.099 R)
• M14: 28,934,023 km (0.097 R)
• M15: 33,176,021 km (0.111 R)
• M16: 33,958,717 km (0.087 R)
• M17: 35,098,054 km (0.049 R)
• M18: 35,677,147 km (0.084 R)
• M19: 41,564,572 km (0.117 R)
• M20: 42,999,514 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 12,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit