🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 14.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.83 AU - 2.19 AU

Year: 1967 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,570,488 km

• M1: 186,549 km (0.088 R)
• M2: 705,055 km (0.079 R)
• M3: 1,186,760 km (0.064 R)
• M4: 1,812,827 km (0.06 R)
• M5: 2,436,949 km (0.116 R)
• M6: 3,091,290 km (0.096 R)
• M7: 3,626,552 km (0.073 R)
• M8: 5,522,555 km (0.088 R)
• M9: 6,239,428 km (0.075 R)
• M10: 8,479,357 km (0.102 R)
• M11: 9,198,324 km (0.106 R)
• M12: 10,646,731 km (0.072 R)
• M13: 12,283,481 km (0.112 R)
• M14: 13,421,023 km (0.042 R)
• M15: 14,673,606 km (0.084 R)
• M16: 16,100,770 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 14.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.72 AU - 2.82 AU

Year: 2361 Days

Day: 7.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,570,488 km

• M1: 182,958 km (0.075 R)
• M2: 1,491,192 km (0.028 R)
• M3: 2,060,411 km (0.118 R)
• M4: 2,906,986 km (0.029 R)
• M5: 3,924,251 km (0.112 R)
• M6: 5,647,469 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.8

Radius: 13.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.04 AU - 2.76 AU

Year: 2566 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,570,488 km

• M1: 165,605 km (0.112 R)
• M2: 620,682 km (0.114 R)
• M3: 1,168,958 km (0.03 R)
• M4: 2,027,799 km (0.032 R)
• M5: 2,811,393 km (0.115 R)
• M6: 4,065,621 km (0.058 R)
• M7: 5,098,445 km (0.093 R)
• M8: 7,432,022 km (0.086 R)
• M9: 9,183,813 km (0.097 R)
• M10: 9,986,705 km (0.118 R)
• M11: 11,607,299 km (0.082 R)
• M12: 13,813,419 km (0.089 R)
• M13: 14,818,716 km (0.111 R)
• M14: 16,026,569 km (0.069 R)
• M15: 17,082,581 km (0.069 R)
• M16: 19,215,846 km (0.079 R)
• M17: 20,044,918 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.4

Radius: 11.5

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.17 AU - 2.79 AU

Year: 2696 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,570,488 km

• M1: 143,016 km (0.065 R)
• M2: 505,790 km (0.115 R)
• M3: 1,007,990 km (0.101 R)
• M4: 1,641,986 km (0.118 R)
• M5: 2,012,241 km (0.087 R)
• M6: 2,573,981 km (0.114 R)
• M7: 3,010,657 km (0.117 R)
• M8: 3,496,701 km (0.112 R)
• M9: 4,445,899 km (0.094 R)
• M10: 5,455,535 km (0.074 R)
• M11: 7,124,150 km (0.073 R)
• M12: 7,825,913 km (0.082 R)
• M13: 8,261,991 km (0.087 R)
• M14: 9,937,039 km (0.106 R)
• M15: 10,529,147 km (0.096 R)
• M16: 10,978,389 km (0.107 R)
• M17: 11,611,488 km (0.104 R)
• M18: 12,448,039 km (0.075 R)
• M19: 14,640,096 km (0.072 R)
• M20: 20,022,329 km (0.086 R)
• M21: 20,776,451 km (0.049 R)
• M22: 21,876,893 km (0.069 R)
• M23: 22,274,525 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.2

Radius: 8.6

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.73 AU - 3.65 AU

Year: 3933 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,570,488 km

• M1: 107,112 km (0.094 R)
• M2: 553,662 km (0.065 R)
• M3: 3,027,113 km (0.083 R)
• M4: 3,640,015 km (0.073 R)
• M5: 4,287,475 km (0.113 R)
• M6: 7,800,482 km (0.073 R)
• M7: 8,949,094 km (0.087 R)
• M8: 17,288,876 km (0.092 R)
• M9: 18,181,527 km (0.119 R)
• M10: 18,855,465 km (0.086 R)
• M11: 22,969,107 km (0.072 R)
• M12: 23,468,166 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 13.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.08 AU - 4.28 AU

Year: 4873 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,570,488 km

• M1: 164,258 km (0.052 R)
• M2: 617,241 km (0.092 R)
• M3: 1,100,741 km (0.08 R)
• M4: 1,803,851 km (0.108 R)
• M5: 2,461,184 km (0.11 R)
• M6: 3,055,387 km (0.081 R)
• M7: 3,655,424 km (0.103 R)
• M8: 4,483,598 km (0.058 R)
• M9: 5,318,354 km (0.105 R)
• M10: 6,096,263 km (0.064 R)
• M11: 7,226,624 km (0.062 R)
• M12: 8,492,073 km (0.076 R)
• M13: 10,523,462 km (0.108 R)
• M14: 11,701,396 km (0.081 R)
• M15: 13,875,651 km (0.112 R)
• M16: 16,552,556 km (0.103 R)
• M17: 17,817,555 km (0.119 R)
• M18: 18,275,175 km (0.104 R)
• M19: 19,350,933 km (0.103 R)
• M20: 20,610,996 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.2

Radius: 15

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.47 AU - 3.95 AU

Year: 4933 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,570,488 km

• M1: 188,793 km (0.079 R)
• M2: 912,996 km (0.05 R)
• M3: 3,165,192 km (0.115 R)
• M4: 3,678,312 km (0.092 R)
• M5: 4,807,178 km (0.12 R)
• M6: 5,816,365 km (0.112 R)
• M7: 9,485,851 km (0.073 R)
• M8: 11,434,513 km (0.102 R)
• M9: 11,971,420 km (0.086 R)
• M10: 13,729,793 km (0.118 R)
• M11: 18,644,682 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.9

Radius: 4.5

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.42 AU - 7.84 AU

Year: 13142 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,570,488 km

• M1: 65,823 km (0.08 R)
• M2: 213,476 km (0.05 R)
• M3: 743,501 km (0.091 R)
• M4: 1,140,833 km (0.072 R)
• M5: 1,954,646 km (0.063 R)
• M6: 2,817,377 km (0.087 R)
• M7: 4,821,988 km (0.117 R)
• M8: 8,243,441 km (0.044 R)
• M9: 8,818,196 km (0.117 R)
• M10: 13,894,052 km (0.098 R)
• M11: 14,123,086 km (0.07 R)
• M12: 14,588,784 km (0.119 R)
• M13: 14,765,908 km (0.106 R)
• M14: 19,038,274 km (0.049 R)
• M15: 20,332,146 km (0.078 R)
• M16: 21,530,425 km (0.098 R)
• M17: 25,577,496 km (0.116 R)
• M18: 28,233,905 km (0.083 R)
• M19: 31,068,635 km (0.118 R)
• M20: 31,657,453 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.6

Radius: 6.5

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.6 AU - 9.88 AU

Year: 17835 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,570,488 km

• M1: 80,932 km (0.08 R)
• M2: 325,076 km (0.086 R)
• M3: 875,148 km (0.093 R)
• M4: 1,079,199 km (0.098 R)
• M5: 1,632,412 km (0.064 R)
• M6: 2,053,380 km (0.074 R)
• M7: 2,299,768 km (0.069 R)
• M8: 3,086,952 km (0.083 R)
• M9: 4,649,651 km (0.033 R)
• M10: 5,784,202 km (0.118 R)
• M11: 6,717,992 km (0.107 R)
• M12: 7,658,663 km (0.063 R)
• M13: 8,021,587 km (0.086 R)
• M14: 10,118,351 km (0.059 R)
• M15: 10,500,275 km (0.047 R)
• M16: 13,709,897 km (0.036 R)
• M17: 15,215,300 km (0.073 R)
• M18: 16,081,322 km (0.113 R)
• M19: 19,122,797 km (0.105 R)
• M20: 24,713,269 km (0.11 R)
• M21: 30,169,103 km (0.117 R)
• M22: 31,074,021 km (0.072 R)
• M23: 33,535,205 km (0.07 R)
• M24: 40,182,586 km (0.07 R)
• M25: 40,454,406 km (0.099 R)
• M26: 40,864,603 km (0.119 R)
• M27: 41,139,564 km (0.088 R)
• M28: 44,101,452 km (0.083 R)
• M29: 57,028,803 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.3

Radius: 6.2

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.99 AU - 12.45 AU

Year: 22552 Days

Day: 18.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,570,488 km

• M1: 77,043 km (0.109 R)
• M2: 273,166 km (0.101 R)
• M3: 748,289 km (0.1 R)
• M4: 954,734 km (0.085 R)
• M5: 1,455,438 km (0.068 R)
• M6: 1,817,614 km (0.036 R)
• M7: 2,428,422 km (0.109 R)
• M8: 2,675,259 km (0.085 R)
• M9: 3,546,517 km (0.107 R)
• M10: 4,077,888 km (0.062 R)
• M11: 4,362,723 km (0.056 R)
• M12: 5,151,702 km (0.106 R)
• M13: 5,714,938 km (0.095 R)
• M14: 6,700,638 km (0.088 R)
• M15: 7,604,658 km (0.107 R)
• M16: 8,086,064 km (0.093 R)
• M17: 10,216,637 km (0.073 R)
• M18: 10,565,499 km (0.102 R)
• M19: 11,043,165 km (0.097 R)
• M20: 13,719,322 km (0.081 R)
• M21: 17,122,224 km (0.037 R)
• M22: 21,899,931 km (0.117 R)
• M23: 22,382,684 km (0.067 R)
• M24: 23,369,581 km (0.103 R)
• M25: 25,642,122 km (0.113 R)
• M26: 27,162,635 km (0.043 R)
• M27: 28,512,905 km (0.063 R)
• M28: 30,982,467 km (0.117 R)
• M29: 34,233,229 km (0.067 R)
• M30: 34,883,381 km (0.113 R)
• M31: 40,240,032 km (0.115 R)
• M32: 42,140,673 km (0.086 R)
• M33: 46,435,927 km (0.107 R)
• M34: 47,876,106 km (0.062 R)
• M35: 48,200,284 km (0.094 R)
• M36: 50,677,475 km (0.114 R)
• M37: 57,330,542 km (0.107 R)
• M38: 63,952,342 km (0.06 R)
• M39: 64,740,124 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 18,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit