🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 8.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.93 AU - 1.09 AU

Year: 713 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,246,463 km

• M1: 105,766 km (0.104 R)
• M2: 422,315 km (0.096 R)
• M3: 776,263 km (0.047 R)
• M4: 1,209,798 km (0.073 R)
• M5: 1,550,133 km (0.08 R)
• M6: 2,819,471 km (0.077 R)
• M7: 4,016,404 km (0.106 R)
• M8: 4,522,044 km (0.084 R)
• M9: 6,259,175 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.9

Radius: 11.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.1 AU - 1.14 AU

Year: 833 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,246,463 km

• M1: 140,024 km (0.084 R)
• M2: 505,641 km (0.085 R)
• M3: 856,149 km (0.088 R)
• M4: 1,258,866 km (0.091 R)
• M5: 1,982,621 km (0.071 R)
• M6: 2,483,923 km (0.045 R)
• M7: 2,884,247 km (0.052 R)
• M8: 3,889,993 km (0.104 R)
• M9: 4,246,784 km (0.057 R)
• M10: 4,625,267 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.1

Radius: 8.3

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.17 AU - 1.19 AU

Year: 901 Days

Day: 11.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,246,463 km

• M1: 103,223 km (0.079 R)
• M2: 378,333 km (0.117 R)
• M3: 1,063,342 km (0.118 R)
• M4: 1,442,273 km (0.106 R)
• M5: 1,919,341 km (0.082 R)
• M6: 2,394,314 km (0.115 R)
• M7: 2,971,762 km (0.063 R)
• M8: 3,762,087 km (0.104 R)
• M9: 4,032,710 km (0.072 R)
• M10: 5,132,853 km (0.037 R)
• M11: 6,855,921 km (0.091 R)
• M12: 7,938,411 km (0.096 R)
• M13: 8,225,938 km (0.11 R)
• M14: 9,621,985 km (0.053 R)
• M15: 9,889,167 km (0.101 R)
• M16: 10,191,804 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.3

Radius: 9.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.37 AU - 1.91 AU

Year: 1476 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,246,463 km

• M1: 118,182 km (0.112 R)
• M2: 432,936 km (0.079 R)
• M3: 768,484 km (0.082 R)
• M4: 1,599,201 km (0.102 R)
• M5: 2,272,541 km (0.036 R)
• M6: 2,661,945 km (0.095 R)
• M7: 2,968,919 km (0.058 R)
• M8: 4,192,630 km (0.071 R)
• M9: 5,383,130 km (0.101 R)
• M10: 5,680,680 km (0.11 R)
• M11: 6,079,508 km (0.09 R)
• M12: 6,908,579 km (0.104 R)
• M13: 7,260,583 km (0.061 R)
• M14: 8,588,115 km (0.065 R)
• M15: 9,084,630 km (0.04 R)
• M16: 10,923,487 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.1

Radius: 13

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.5 AU - 2.58 AU

Year: 2846 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,246,463 km

• M1: 163,361 km (0.074 R)
• M2: 632,051 km (0.107 R)
• M3: 1,596,508 km (0.113 R)
• M4: 2,243,220 km (0.107 R)
• M5: 3,283,972 km (0.107 R)
• M6: 4,004,735 km (0.101 R)
• M7: 5,039,952 km (0.102 R)
• M8: 6,384,987 km (0.099 R)
• M9: 7,416,913 km (0.082 R)
• M10: 10,899,402 km (0.111 R)
• M11: 14,067,286 km (0.073 R)
• M12: 15,450,318 km (0.118 R)
• M13: 17,085,124 km (0.108 R)
• M14: 18,542,955 km (0.093 R)
• M15: 19,719,692 km (0.096 R)
• M16: 20,696,417 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.6

Radius: 4.6

Gravity: 30.6 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.4 AU - 7.04 AU

Year: 9616 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 14,246,463 km

• M1: 57,296 km (0.059 R)
• M2: 214,823 km (0.117 R)
• M3: 423,362 km (0.09 R)
• M4: 861,684 km (0.117 R)
• M5: 1,368,821 km (0.103 R)
• M6: 1,793,678 km (0.103 R)
• M7: 2,246,810 km (0.1 R)
• M8: 3,143,350 km (0.058 R)
• M9: 3,851,098 km (0.106 R)
• M10: 4,870,607 km (0.071 R)
• M11: 5,987,655 km (0.061 R)
• M12: 7,385,946 km (0.072 R)
• M13: 10,143,783 km (0.074 R)
• M14: 11,557,782 km (0.082 R)
• M15: 11,777,840 km (0.098 R)
• M16: 13,277,409 km (0.093 R)
• M17: 13,948,356 km (0.039 R)
• M18: 15,691,021 km (0.063 R)
• M19: 15,960,896 km (0.059 R)
• M20: 17,142,719 km (0.102 R)
• M21: 18,307,339 km (0.089 R)
• M22: 18,833,026 km (0.083 R)
• M23: 19,446,078 km (0.051 R)
• M24: 20,310,604 km (0.099 R)
• M25: 21,118,432 km (0.079 R)
• M26: 21,779,954 km (0.092 R)
• M27: 30,200,369 km (0.11 R)
• M28: 31,251,743 km (0.115 R)
• M29: 37,473,967 km (0.115 R)
• M30: 38,564,835 km (0.108 R)
• M31: 39,801,710 km (0.097 R)
• M32: 40,052,137 km (0.025 R)
• M33: 44,607,691 km (0.074 R)
• M34: 45,558,386 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.9

Radius: 7.3

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.05 AU - 6.71 AU

Year: 10022 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,246,463 km

• M1: 98,435 km (0.054 R)
• M2: 366,365 km (0.047 R)
• M3: 658,380 km (0.079 R)
• M4: 904,469 km (0.09 R)
• M5: 1,801,308 km (0.1 R)
• M6: 2,030,193 km (0.12 R)
• M7: 2,295,729 km (0.062 R)
• M8: 2,757,687 km (0.081 R)
• M9: 3,148,886 km (0.108 R)
• M10: 4,223,896 km (0.096 R)
• M11: 5,124,924 km (0.094 R)
• M12: 5,525,397 km (0.11 R)
• M13: 6,388,876 km (0.105 R)
• M14: 8,465,145 km (0.104 R)
• M15: 8,720,658 km (0.12 R)
• M16: 14,188,610 km (0.035 R)
• M17: 27,139,298 km (0.109 R)
• M18: 30,294,018 km (0.054 R)
• M19: 31,499,328 km (0.111 R)
• M20: 32,217,098 km (0.053 R)
• M21: 33,578,738 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.4

Radius: 4.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.53 AU - 6.89 AU

Year: 10878 Days

Day: 22.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,246,463 km

• M1: 73,901 km (0.117 R)
• M2: 213,476 km (0.074 R)
• M3: 404,363 km (0.103 R)
• M4: 952,789 km (0.039 R)
• M5: 1,550,582 km (0.058 R)
• M6: 2,673,015 km (0.099 R)
• M7: 3,513,605 km (0.093 R)
• M8: 3,688,934 km (0.08 R)
• M9: 5,158,583 km (0.063 R)
• M10: 5,777,919 km (0.059 R)
• M11: 6,077,862 km (0.049 R)
• M12: 9,150,603 km (0.078 R)
• M13: 10,730,206 km (0.06 R)
• M14: 12,038,889 km (0.112 R)
• M15: 15,378,212 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799

Radius: 6.7

Gravity: 17.8 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.25 AU - 6.47 AU

Year: 11274 Days

Day: 15.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 14,246,463 km

• M1: 83,476 km (0.109 R)
• M2: 346,768 km (0.109 R)
• M3: 581,487 km (0.061 R)
• M4: 1,218,325 km (0.108 R)
• M5: 1,805,347 km (0.063 R)
• M6: 2,080,458 km (0.093 R)
• M7: 2,938,252 km (0.032 R)
• M8: 3,681,903 km (0.098 R)
• M9: 5,713,292 km (0.068 R)
• M10: 6,503,917 km (0.074 R)
• M11: 6,823,608 km (0.094 R)
• M12: 9,616,151 km (0.104 R)
• M13: 9,926,417 km (0.102 R)
• M14: 10,566,995 km (0.092 R)
• M15: 11,291,647 km (0.09 R)
• M16: 12,592,850 km (0.118 R)
• M17: 12,964,301 km (0.106 R)
• M18: 14,122,937 km (0.084 R)
• M19: 14,795,678 km (0.043 R)
• M20: 16,942,108 km (0.096 R)
• M21: 17,243,099 km (0.079 R)
• M22: 17,855,852 km (0.093 R)
• M23: 20,453,021 km (0.101 R)
• M24: 21,400,873 km (0.077 R)
• M25: 32,198,997 km (0.097 R)
• M26: 36,268,807 km (0.059 R)
• M27: 43,136,097 km (0.112 R)
• M28: 48,517,881 km (0.117 R)
• M29: 52,397,103 km (0.076 R)

Asteroid Belt

Center: 6.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10

Radius: 7.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.63 AU - 7.65 AU

Year: 13411 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,246,463 km

• M1: 175,628 km (0.047 R)
• M2: 533,915 km (0.092 R)
• M3: 896,989 km (0.083 R)
• M4: 2,238,433 km (0.069 R)
• M5: 3,451,971 km (0.101 R)
• M6: 5,923,477 km (0.074 R)
• M7: 7,898,020 km (0.061 R)
• M8: 11,625,550 km (0.101 R)
• M9: 12,075,540 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit