🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

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: 418.1

Radius: 8.3

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.85 AU - 1.17 AU

Year: 655 Days

Day: 5.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,580,113 km

• M1: 103,223 km (0.095 R)
• M2: 435,479 km (0.106 R)
• M3: 827,276 km (0.077 R)
• M4: 1,203,515 km (0.087 R)
• M5: 1,609,224 km (0.082 R)
• M6: 2,068,789 km (0.118 R)
• M7: 2,521,472 km (0.114 R)
• M8: 3,178,805 km (0.107 R)
• M9: 3,730,073 km (0.077 R)
• M10: 4,506,785 km (0.069 R)
• M11: 5,404,373 km (0.102 R)
• M12: 6,397,104 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 14

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.02 AU - 1.2 AU

Year: 755 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,580,113 km

• M1: 174,132 km (0.079 R)
• M2: 627,713 km (0.109 R)
• M3: 1,096,104 km (0.068 R)
• M4: 1,558,959 km (0.12 R)
• M5: 2,294,532 km (0.055 R)
• M6: 2,819,770 km (0.095 R)
• M7: 3,493,110 km (0.074 R)
• M8: 4,162,860 km (0.087 R)
• M9: 4,848,168 km (0.12 R)
• M10: 6,096,562 km (0.096 R)
• M11: 6,635,264 km (0.089 R)
• M12: 8,750,727 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.4

Radius: 8.5

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.48 AU - 1.92 AU

Year: 1431 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,580,113 km

• M1: 106,962 km (0.077 R)
• M2: 405,261 km (0.087 R)
• M3: 708,496 km (0.032 R)
• M4: 985,252 km (0.071 R)
• M5: 1,430,156 km (0.117 R)
• M6: 1,816,417 km (0.053 R)
• M7: 2,108,283 km (0.104 R)
• M8: 2,775,041 km (0.065 R)
• M9: 3,292,948 km (0.044 R)
• M10: 3,575,389 km (0.091 R)
• M11: 4,326,969 km (0.12 R)
• M12: 5,944,122 km (0.117 R)
• M13: 7,216,003 km (0.113 R)
• M14: 8,357,285 km (0.039 R)
• M15: 10,701,035 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 10.5

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.26 AU - 3.5 AU

Year: 3156 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,580,113 km

• M1: 130,599 km (0.103 R)
• M2: 478,564 km (0.091 R)
• M3: 851,212 km (0.09 R)
• M4: 1,414,298 km (0.116 R)
• M5: 1,818,213 km (0.097 R)
• M6: 2,477,640 km (0.111 R)
• M7: 3,346,056 km (0.104 R)
• M8: 3,819,682 km (0.088 R)
• M9: 4,270,570 km (0.11 R)
• M10: 7,564,117 km (0.045 R)
• M11: 8,347,860 km (0.027 R)
• M12: 8,741,303 km (0.115 R)
• M13: 10,772,243 km (0.109 R)
• M14: 14,482,719 km (0.12 R)
• M15: 15,528,558 km (0.074 R)
• M16: 15,906,442 km (0.059 R)
• M17: 22,886,529 km (0.077 R)
• M18: 23,659,053 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 11.6

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.83 AU - 3.51 AU

Year: 3644 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,580,113 km

• M1: 144,212 km (0.082 R)
• M2: 504,893 km (0.109 R)
• M3: 871,408 km (0.117 R)
• M4: 1,469,649 km (0.075 R)
• M5: 1,940,584 km (0.118 R)
• M6: 2,373,969 km (0.107 R)
• M7: 3,497,748 km (0.041 R)
• M8: 4,897,385 km (0.081 R)
• M9: 5,358,596 km (0.073 R)
• M10: 5,848,828 km (0.08 R)
• M11: 7,078,223 km (0.044 R)
• M12: 8,046,720 km (0.082 R)
• M13: 9,292,421 km (0.117 R)
• M14: 10,164,278 km (0.053 R)
• M15: 11,662,949 km (0.103 R)
• M16: 12,071,052 km (0.078 R)
• M17: 13,108,962 km (0.082 R)
• M18: 13,500,759 km (0.11 R)
• M19: 14,052,326 km (0.106 R)
• M20: 15,578,823 km (0.068 R)
• M21: 19,208,666 km (0.116 R)
• M22: 20,359,821 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.4

Radius: 13.7

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.27 AU - 3.53 AU

Year: 4048 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,580,113 km

• M1: 170,542 km (0.077 R)
• M2: 1,274,574 km (0.042 R)
• M3: 1,712,896 km (0.061 R)
• M4: 2,455,948 km (0.094 R)
• M5: 4,243,643 km (0.086 R)
• M6: 4,934,935 km (0.032 R)
• M7: 6,602,352 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 10.7

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.92 AU - 4.08 AU

Year: 4228 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,580,113 km

• M1: 133,142 km (0.119 R)
• M2: 472,430 km (0.066 R)
• M3: 1,038,060 km (0.101 R)
• M4: 1,546,543 km (0.076 R)
• M5: 2,127,132 km (0.093 R)
• M6: 3,071,244 km (0.077 R)
• M7: 3,660,062 km (0.116 R)
• M8: 4,039,292 km (0.063 R)
• M9: 4,695,728 km (0.095 R)
• M10: 5,226,800 km (0.091 R)
• M11: 6,037,321 km (0.096 R)
• M12: 7,512,805 km (0.096 R)
• M13: 8,054,200 km (0.063 R)
• M14: 9,094,653 km (0.119 R)
• M15: 9,584,736 km (0.101 R)
• M16: 10,842,554 km (0.037 R)
• M17: 11,676,712 km (0.083 R)
• M18: 13,316,305 km (0.054 R)
• M19: 15,560,871 km (0.118 R)
• M20: 16,085,511 km (0.103 R)
• M21: 17,667,359 km (0.067 R)
• M22: 19,551,544 km (0.067 R)
• M23: 20,646,601 km (0.116 R)
• M24: 22,586,436 km (0.062 R)
• M25: 26,742,564 km (0.116 R)
• M26: 28,348,796 km (0.111 R)
• M27: 28,695,116 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.7

Radius: 13

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.05 AU - 5.08 AU

Year: 5282 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,580,113 km

• M1: 172,486 km (0.117 R)
• M2: 886,816 km (0.059 R)
• M3: 1,897,799 km (0.084 R)
• M4: 2,900,852 km (0.064 R)
• M5: 3,371,038 km (0.094 R)
• M6: 4,207,291 km (0.092 R)
• M7: 5,150,954 km (0.114 R)
• M8: 5,845,537 km (0.06 R)
• M9: 10,168,167 km (0.046 R)
• M10: 11,399,358 km (0.04 R)
• M11: 13,429,251 km (0.033 R)
• M12: 16,205,638 km (0.102 R)
• M13: 16,614,489 km (0.112 R)
• M14: 18,445,567 km (0.101 R)
• M15: 20,816,095 km (0.09 R)
• M16: 26,961,875 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.9

Radius: 4.5

Gravity: 45.48 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.55 AU - 6.91 AU

Year: 10040 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,580,113 km

• M1: 55,950 km (0.086 R)
• M2: 448,794 km (0.104 R)
• M3: 651,499 km (0.094 R)
• M4: 903,870 km (0.114 R)
• M5: 1,321,697 km (0.059 R)
• M6: 1,472,342 km (0.069 R)
• M7: 1,841,550 km (0.111 R)
• M8: 2,406,581 km (0.048 R)
• M9: 2,590,437 km (0.087 R)
• M10: 3,223,385 km (0.082 R)
• M11: 4,387,556 km (0.084 R)
• M12: 5,213,635 km (0.066 R)
• M13: 5,592,567 km (0.085 R)
• M14: 6,759,281 km (0.082 R)
• M15: 9,065,631 km (0.116 R)
• M16: 12,261,640 km (0.108 R)
• M17: 13,559,551 km (0.098 R)
• M18: 16,352,394 km (0.094 R)
• M19: 17,844,333 km (0.084 R)
• M20: 19,505,917 km (0.095 R)
• M21: 22,410,359 km (0.079 R)
• M22: 25,201,706 km (0.026 R)
• M23: 26,680,481 km (0.094 R)
• M24: 29,165,302 km (0.091 R)
• M25: 30,244,650 km (0.093 R)
• M26: 31,350,328 km (0.111 R)
• M27: 33,759,602 km (0.099 R)
• M28: 34,350,813 km (0.032 R)
• M29: 38,044,234 km (0.113 R)
• M30: 39,854,967 km (0.09 R)
• M31: 41,993,768 km (0.065 R)
• M32: 45,486,878 km (0.104 R)
• M33: 49,168,781 km (0.037 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.5

Radius: 4.2

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.22 AU - 8.82 AU

Year: 14665 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,580,113 km

• M1: 54,005 km (0.058 R)
• M2: 442,511 km (0.087 R)
• M3: 745,446 km (0.036 R)
• M4: 1,093,560 km (0.1 R)
• M5: 1,310,777 km (0.096 R)
• M6: 1,947,764 km (0.114 R)
• M7: 3,174,766 km (0.069 R)
• M8: 4,686,901 km (0.098 R)
• M9: 5,702,521 km (0.072 R)
• M10: 6,896,462 km (0.119 R)
• M11: 7,679,008 km (0.111 R)
• M12: 12,260,443 km (0.084 R)
• M13: 12,974,923 km (0.108 R)
• M14: 14,226,608 km (0.091 R)
• M15: 15,284,414 km (0.116 R)
• M16: 16,041,230 km (0.087 R)
• M17: 19,637,862 km (0.086 R)
• M18: 21,452,335 km (0.073 R)
• M19: 23,465,473 km (0.109 R)
• M20: 24,102,311 km (0.098 R)
• M21: 25,220,855 km (0.103 R)
• M22: 27,360,254 km (0.083 R)
• M23: 31,775,037 km (0.056 R)
• M24: 32,554,142 km (0.096 R)
• M25: 34,266,439 km (0.102 R)
• M26: 37,129,444 km (0.09 R)
• M27: 40,927,285 km (0.119 R)
• M28: 41,584,468 km (0.1 R)
• M29: 42,248,533 km (0.04 R)
• M30: 42,516,164 km (0.08 R)
• M31: 47,963,621 km (0.036 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit