🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 8.3

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.04 AU - 1.68 AU

Year: 1040 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,172,143 km

• M1: 103,223 km (0.115 R)
• M2: 404,363 km (0.089 R)
• M3: 1,087,277 km (0.099 R)
• M4: 1,457,532 km (0.098 R)
• M5: 1,920,089 km (0.088 R)
• M6: 2,629,931 km (0.076 R)
• M7: 3,005,870 km (0.108 R)
• M8: 3,290,106 km (0.106 R)
• M9: 3,697,012 km (0.116 R)
• M10: 4,024,033 km (0.086 R)
• M11: 4,336,393 km (0.058 R)
• M12: 5,028,882 km (0.068 R)
• M13: 5,431,151 km (0.104 R)
• M14: 5,937,839 km (0.106 R)
• M15: 6,745,368 km (0.054 R)
• M16: 7,092,884 km (0.062 R)
• M17: 7,550,205 km (0.105 R)
• M18: 8,026,973 km (0.041 R)
• M19: 8,497,009 km (0.071 R)
• M20: 9,068,473 km (0.092 R)
• M21: 9,492,284 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 9.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.48 AU - 2.12 AU

Year: 1584 Days

Day: 6.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,172,143 km

• M1: 115,639 km (0.116 R)
• M2: 455,077 km (0.09 R)
• M3: 852,409 km (0.106 R)
• M4: 1,414,149 km (0.117 R)
• M5: 1,769,743 km (0.069 R)
• M6: 2,088,536 km (0.06 R)
• M7: 3,521,683 km (0.07 R)
• M8: 4,607,016 km (0.095 R)
• M9: 5,772,533 km (0.102 R)
• M10: 7,524,474 km (0.099 R)
• M11: 9,575,311 km (0.085 R)
• M12: 10,536,178 km (0.072 R)
• M13: 10,990,507 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.4

Radius: 12.7

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.96 AU - 2.42 AU

Year: 2126 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,172,143 km

• M1: 157,975 km (0.117 R)
• M2: 571,165 km (0.104 R)
• M3: 1,063,491 km (0.117 R)
• M4: 1,669,662 km (0.066 R)
• M5: 2,217,340 km (0.082 R)
• M6: 2,791,496 km (0.093 R)
• M7: 3,222,488 km (0.092 R)
• M8: 3,924,401 km (0.059 R)
• M9: 4,553,161 km (0.092 R)
• M10: 5,085,430 km (0.108 R)
• M11: 5,885,031 km (0.105 R)
• M12: 6,936,105 km (0.075 R)
• M13: 7,432,022 km (0.106 R)
• M14: 8,108,653 km (0.066 R)
• M15: 12,675,876 km (0.111 R)
• M16: 13,197,375 km (0.098 R)
• M17: 15,040,121 km (0.077 R)
• M18: 15,723,933 km (0.091 R)
• M19: 17,101,131 km (0.081 R)
• M20: 18,612,668 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 9.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.9 AU - 3.1 AU

Year: 2593 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,172,143 km

• M1: 119,379 km (0.093 R)
• M2: 435,928 km (0.048 R)
• M3: 831,016 km (0.085 R)
• M4: 1,490,444 km (0.066 R)
• M5: 2,027,799 km (0.108 R)
• M6: 2,371,725 km (0.075 R)
• M7: 2,820,219 km (0.11 R)
• M8: 3,135,721 km (0.085 R)
• M9: 3,459,750 km (0.026 R)
• M10: 4,315,899 km (0.107 R)
• M11: 4,832,161 km (0.108 R)
• M12: 7,655,372 km (0.104 R)
• M13: 8,553,408 km (0.046 R)
• M14: 9,249,337 km (0.087 R)
• M15: 9,580,846 km (0.104 R)
• M16: 9,982,666 km (0.119 R)
• M17: 10,363,692 km (0.118 R)
• M18: 11,290,450 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 12.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.53 AU - 2.89 AU

Year: 2927 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,172,143 km

• M1: 157,975 km (0.065 R)
• M2: 605,871 km (0.056 R)
• M3: 1,078,601 km (0.03 R)
• M4: 1,706,164 km (0.064 R)
• M5: 2,772,946 km (0.071 R)
• M6: 3,470,970 km (0.075 R)
• M7: 4,103,470 km (0.056 R)
• M8: 4,531,768 km (0.101 R)
• M9: 5,103,382 km (0.1 R)
• M10: 5,722,867 km (0.092 R)
• M11: 6,526,656 km (0.109 R)
• M12: 10,853,774 km (0.09 R)
• M13: 11,880,614 km (0.118 R)
• M14: 13,407,859 km (0.034 R)
• M15: 14,824,700 km (0.042 R)
• M16: 16,541,785 km (0.07 R)
• M17: 17,580,742 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 14.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.34 AU - 3.88 AU

Year: 4500 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,172,143 km

• M1: 179,069 km (0.116 R)
• M2: 626,965 km (0.086 R)
• M3: 1,203,964 km (0.111 R)
• M4: 1,852,919 km (0.093 R)
• M5: 2,324,153 km (0.102 R)
• M6: 3,780,189 km (0.067 R)
• M7: 4,592,056 km (0.086 R)
• M8: 6,125,434 km (0.084 R)
• M9: 7,107,395 km (0.083 R)
• M10: 8,253,315 km (0.039 R)
• M11: 10,216,936 km (0.037 R)
• M12: 11,061,117 km (0.059 R)
• M13: 11,872,087 km (0.107 R)
• M14: 12,763,990 km (0.054 R)
• M15: 13,440,172 km (0.092 R)
• M16: 14,409,117 km (0.04 R)
• M17: 16,143,106 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 8.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.21 AU - 4.41 AU

Year: 5870 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,172,143 km

• M1: 106,962 km (0.101 R)
• M2: 464,352 km (0.116 R)
• M3: 1,129,464 km (0.101 R)
• M4: 1,422,227 km (0.097 R)
• M5: 1,933,552 km (0.095 R)
• M6: 2,623,199 km (0.092 R)
• M7: 5,735,283 km (0.061 R)
• M8: 7,835,188 km (0.112 R)
• M9: 8,329,909 km (0.098 R)
• M10: 10,207,212 km (0.118 R)
• M11: 12,002,836 km (0.111 R)
• M12: 15,126,888 km (0.105 R)
• M13: 16,633,039 km (0.12 R)
• M14: 18,988,159 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 12.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.98 AU - 6.5 AU

Year: 7869 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,172,143 km

• M1: 155,133 km (0.078 R)
• M2: 544,387 km (0.039 R)
• M3: 1,315,115 km (0.088 R)
• M4: 2,578,020 km (0.059 R)
• M5: 3,080,519 km (0.081 R)
• M6: 3,756,552 km (0.093 R)
• M7: 5,349,620 km (0.03 R)
• M8: 6,519,026 km (0.053 R)
• M9: 7,423,794 km (0.075 R)
• M10: 8,448,689 km (0.11 R)
• M11: 10,599,458 km (0.112 R)
• M12: 14,753,043 km (0.07 R)
• M13: 15,547,108 km (0.104 R)
• M14: 19,410,473 km (0.099 R)
• M15: 20,157,116 km (0.116 R)
• M16: 20,782,136 km (0.072 R)
• M17: 21,998,068 km (0.12 R)
• M18: 25,849,166 km (0.101 R)
• M19: 27,254,937 km (0.095 R)
• M20: 29,061,032 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.9

Radius: 10.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.04 AU - 5.64 AU

Year: 8095 Days

Day: 10.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,172,143 km

• M1: 128,804 km (0.102 R)
• M2: 759,808 km (0.092 R)
• M3: 1,123,031 km (0.049 R)
• M4: 1,830,629 km (0.117 R)
• M5: 3,292,500 km (0.083 R)
• M6: 4,843,829 km (0.086 R)
• M7: 5,535,720 km (0.082 R)
• M8: 6,973,954 km (0.034 R)
• M9: 8,646,907 km (0.06 R)
• M10: 11,047,204 km (0.088 R)
• M11: 13,252,277 km (0.065 R)
• M12: 13,581,691 km (0.098 R)
• M13: 13,973,040 km (0.054 R)
• M14: 17,379,832 km (0.027 R)
• M15: 18,651,414 km (0.101 R)
• M16: 21,379,181 km (0.076 R)
• M17: 22,916,599 km (0.114 R)
• M18: 23,793,093 km (0.099 R)
• M19: 26,905,327 km (0.074 R)
• M20: 29,155,578 km (0.096 R)
• M21: 34,130,156 km (0.071 R)
• M22: 34,646,418 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.3

Radius: 5.2

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.7 AU - 7.02 AU

Year: 11787 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,172,143 km

• M1: 64,925 km (0.119 R)
• M2: 230,381 km (0.101 R)
• M3: 519,404 km (0.097 R)
• M4: 701,913 km (0.089 R)
• M5: 1,570,478 km (0.074 R)
• M6: 2,081,206 km (0.058 R)
• M7: 2,355,867 km (0.08 R)
• M8: 2,592,681 km (0.119 R)
• M9: 3,702,996 km (0.087 R)
• M10: 5,195,833 km (0.117 R)
• M11: 5,598,102 km (0.084 R)
• M12: 6,203,076 km (0.116 R)
• M13: 6,929,822 km (0.098 R)
• M14: 8,369,402 km (0.101 R)
• M15: 9,896,049 km (0.036 R)
• M16: 10,513,589 km (0.067 R)
• M17: 11,376,469 km (0.082 R)
• M18: 15,848,698 km (0.115 R)
• M19: 16,196,961 km (0.116 R)
• M20: 19,089,885 km (0.102 R)
• M21: 19,325,801 km (0.098 R)
• M22: 21,877,941 km (0.07 R)
• M23: 22,396,596 km (0.119 R)
• M24: 22,746,955 km (0.088 R)
• M25: 24,739,149 km (0.104 R)
• M26: 31,408,821 km (0.119 R)
• M27: 35,388,872 km (0.093 R)
• M28: 37,070,652 km (0.119 R)
• M29: 38,554,064 km (0.086 R)
• M30: 46,001,794 km (0.097 R)
• M31: 46,567,723 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 19,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit