🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 13.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.28 AU - 1.58 AU

Year: 1087 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,808,194 km

• M1: 171,738 km (0.095 R)
• M2: 732,581 km (0.111 R)
• M3: 1,175,989 km (0.088 R)
• M4: 1,608,177 km (0.094 R)
• M5: 2,181,735 km (0.076 R)
• M6: 2,747,514 km (0.091 R)
• M7: 3,623,260 km (0.096 R)
• M8: 4,264,886 km (0.106 R)
• M9: 4,904,267 km (0.061 R)
• M10: 5,906,722 km (0.098 R)
• M11: 6,895,115 km (0.101 R)
• M12: 7,570,251 km (0.077 R)
• M13: 9,258,911 km (0.095 R)
• M14: 10,952,958 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 12.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.58 AU - 1.64 AU

Year: 1299 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,808,194 km

• M1: 156,928 km (0.065 R)
• M2: 589,266 km (0.099 R)
• M3: 994,078 km (0.029 R)
• M4: 1,454,091 km (0.104 R)
• M5: 2,785,812 km (0.047 R)
• M6: 3,332,891 km (0.036 R)
• M7: 3,902,111 km (0.113 R)
• M8: 4,626,314 km (0.111 R)
• M9: 5,857,355 km (0.078 R)
• M10: 6,297,921 km (0.082 R)
• M11: 8,815,354 km (0.064 R)
• M12: 9,395,494 km (0.081 R)
• M13: 9,878,097 km (0.074 R)
• M14: 10,827,295 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 14.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.64 AU - 1.76 AU

Year: 1409 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,808,194 km

• M1: 184,005 km (0.054 R)
• M2: 643,121 km (0.112 R)
• M3: 1,532,630 km (0.093 R)
• M4: 1,997,431 km (0.091 R)
• M5: 2,535,684 km (0.06 R)
• M6: 3,223,984 km (0.081 R)
• M7: 4,906,810 km (0.117 R)
• M8: 5,464,960 km (0.098 R)
• M9: 6,360,602 km (0.091 R)
• M10: 7,164,392 km (0.096 R)
• M11: 7,688,433 km (0.113 R)
• M12: 8,314,949 km (0.106 R)
• M13: 8,840,636 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 11.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.78 AU - 3.58 AU

Year: 3606 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,808,194 km

• M1: 141,819 km (0.098 R)
• M2: 1,185,114 km (0.088 R)
• M3: 2,123,991 km (0.104 R)
• M4: 3,765,378 km (0.06 R)
• M5: 4,193,827 km (0.071 R)
• M6: 5,330,621 km (0.104 R)
• M7: 6,013,685 km (0.106 R)
• M8: 6,631,823 km (0.119 R)
• M9: 7,621,413 km (0.09 R)
• M10: 8,239,552 km (0.077 R)
• M11: 8,965,400 km (0.08 R)
• M12: 10,255,682 km (0.119 R)
• M13: 10,670,218 km (0.103 R)
• M14: 11,182,291 km (0.1 R)
• M15: 12,255,806 km (0.062 R)
• M16: 12,865,267 km (0.06 R)
• M17: 13,593,510 km (0.12 R)
• M18: 15,779,434 km (0.092 R)
• M19: 18,010,237 km (0.118 R)
• M20: 21,368,410 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 11.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.55 AU - 4.05 AU

Year: 3812 Days

Day: 5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,808,194 km

• M1: 144,362 km (0.106 R)
• M2: 772,673 km (0.104 R)
• M3: 1,340,696 km (0.096 R)
• M4: 1,716,636 km (0.094 R)
• M5: 2,176,649 km (0.079 R)
• M6: 3,365,952 km (0.111 R)
• M7: 4,836,948 km (0.105 R)
• M8: 5,643,131 km (0.104 R)
• M9: 6,781,122 km (0.066 R)
• M10: 8,443,304 km (0.104 R)
• M11: 10,472,599 km (0.083 R)
• M12: 10,960,138 km (0.099 R)
• M13: 13,629,264 km (0.118 R)
• M14: 15,568,351 km (0.079 R)
• M15: 16,654,432 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 10.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.69 AU - 6.35 AU

Year: 8246 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,808,194 km

• M1: 135,685 km (0.103 R)
• M2: 581,637 km (0.042 R)
• M3: 1,009,038 km (0.085 R)
• M4: 1,465,910 km (0.056 R)
• M5: 2,156,304 km (0.11 R)
• M6: 2,927,930 km (0.084 R)
• M7: 3,515,101 km (0.095 R)
• M8: 3,974,367 km (0.082 R)
• M9: 4,780,998 km (0.051 R)
• M10: 7,982,991 km (0.078 R)
• M11: 10,144,680 km (0.084 R)
• M12: 10,679,044 km (0.063 R)
• M13: 13,233,727 km (0.078 R)
• M14: 13,695,835 km (0.095 R)
• M15: 15,526,015 km (0.108 R)
• M16: 23,216,094 km (0.101 R)
• M17: 29,260,895 km (0.09 R)
• M18: 30,845,735 km (0.038 R)
• M19: 31,454,448 km (0.1 R)
• M20: 33,117,079 km (0.063 R)
• M21: 37,528,720 km (0.056 R)
• M22: 39,161,132 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.8

Radius: 4.5

Gravity: 22.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.39 AU - 8.53 AU

Year: 12955 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,808,194 km

• M1: 61,784 km (0.083 R)
• M2: 434,881 km (0.049 R)
• M3: 635,791 km (0.061 R)
• M4: 849,118 km (0.11 R)
• M5: 1,042,398 km (0.102 R)
• M6: 1,215,483 km (0.096 R)
• M7: 1,902,735 km (0.057 R)
• M8: 3,887,749 km (0.05 R)
• M9: 4,423,759 km (0.117 R)
• M10: 4,786,683 km (0.113 R)
• M11: 6,401,442 km (0.12 R)
• M12: 6,592,180 km (0.117 R)
• M13: 7,146,589 km (0.067 R)
• M14: 7,817,386 km (0.1 R)
• M15: 8,168,193 km (0.061 R)
• M16: 8,853,950 km (0.065 R)
• M17: 10,444,026 km (0.118 R)
• M18: 11,641,557 km (0.072 R)
• M19: 12,867,362 km (0.042 R)
• M20: 13,232,680 km (0.111 R)
• M21: 13,920,680 km (0.112 R)
• M22: 14,176,642 km (0.103 R)
• M23: 14,370,671 km (0.086 R)
• M24: 17,203,007 km (0.058 R)
• M25: 17,946,209 km (0.107 R)
• M26: 18,097,453 km (0.116 R)
• M27: 18,249,444 km (0.085 R)
• M28: 20,222,491 km (0.111 R)
• M29: 22,684,124 km (0.074 R)
• M30: 27,085,742 km (0.116 R)
• M31: 28,396,668 km (0.075 R)
• M32: 34,997,823 km (0.067 R)
• M33: 37,777,501 km (0.097 R)
• M34: 42,686,256 km (0.093 R)
• M35: 44,045,203 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.1

Radius: 5.5

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.33 AU - 8.61 AU

Year: 14306 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 174.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,808,194 km

• M1: 71,358 km (0.115 R)
• M2: 499,208 km (0.1 R)
• M3: 965,355 km (0.106 R)
• M4: 2,081,206 km (0.098 R)
• M5: 12,368,303 km (0.102 R)
• M6: 14,049,334 km (0.089 R)
• M7: 14,665,079 km (0.074 R)
• M8: 15,156,209 km (0.059 R)
• M9: 15,730,964 km (0.096 R)
• M10: 18,742,369 km (0.093 R)
• M11: 19,237,389 km (0.095 R)
• M12: 19,656,412 km (0.1 R)
• M13: 20,426,243 km (0.07 R)
• M14: 22,208,402 km (0.103 R)
• M15: 22,392,108 km (0.078 R)
• M16: 22,949,510 km (0.052 R)
• M17: 26,386,072 km (0.092 R)
• M18: 30,830,027 km (0.119 R)
• M19: 33,288,369 km (0.117 R)
• M20: 33,649,797 km (0.105 R)
• M21: 46,349,459 km (0.082 R)
• M22: 46,649,702 km (0.085 R)
• M23: 57,645,445 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.3

Radius: 4.1

Gravity: 40.05 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.69 AU - 11.49 AU

Year: 18883 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,808,194 km

• M1: 51,611 km (0.079 R)
• M2: 218,263 km (0.067 R)
• M3: 414,835 km (0.079 R)
• M4: 815,159 km (0.082 R)
• M5: 1,147,416 km (0.088 R)
• M6: 2,055,026 km (0.092 R)
• M7: 2,197,593 km (0.096 R)
• M8: 3,361,464 km (0.113 R)
• M9: 4,106,761 km (0.066 R)
• M10: 4,535,059 km (0.111 R)
• M11: 5,636,249 km (0.079 R)
• M12: 7,272,401 km (0.069 R)
• M13: 7,461,194 km (0.08 R)
• M14: 8,198,412 km (0.092 R)
• M15: 11,828,853 km (0.074 R)
• M16: 12,222,146 km (0.104 R)
• M17: 14,246,804 km (0.108 R)
• M18: 20,403,055 km (0.068 R)
• M19: 23,130,673 km (0.083 R)
• M20: 24,581,324 km (0.036 R)
• M21: 31,989,709 km (0.107 R)
• M22: 32,496,547 km (0.111 R)
• M23: 38,717,126 km (0.119 R)
• M24: 40,020,422 km (0.05 R)
• M25: 43,328,630 km (0.081 R)
• M26: 45,207,729 km (0.093 R)
• M27: 46,006,581 km (0.079 R)
• M28: 48,293,035 km (0.104 R)
• M29: 50,482,998 km (0.068 R)
• M30: 58,385,207 km (0.071 R)
• M31: 60,289,288 km (0.08 R)
• M32: 69,160,292 km (0.106 R)
• M33: 71,075,893 km (0.098 R)
• M34: 72,808,236 km (0.102 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: 547 - 11,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit