🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 15

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 6.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,107,227 km

• M1: 186,997 km (0.102 R)
• M2: 760,406 km (0.107 R)
• M3: 1,468,752 km (0.109 R)
• M4: 1,940,434 km (0.071 R)
• M5: 2,874,822 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 14.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.74 AU - 0.96 AU

Year: 532 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,107,227 km

• M1: 177,872 km (0.119 R)
• M2: 715,826 km (0.095 R)
• M3: 1,232,686 km (0.119 R)
• M4: 1,773,632 km (0.096 R)
• M5: 2,396,558 km (0.097 R)
• M6: 2,840,714 km (0.034 R)
• M7: 4,159,419 km (0.087 R)
• M8: 4,715,774 km (0.089 R)
• M9: 5,489,643 km (0.118 R)
• M10: 6,124,537 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.6

Radius: 14.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.48 AU - 2.84 AU

Year: 2942 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,107,227 km

• M1: 180,415 km (0.099 R)
• M2: 1,211,294 km (0.119 R)
• M3: 1,687,015 km (0.107 R)
• M4: 4,684,957 km (0.103 R)
• M5: 5,190,448 km (0.031 R)
• M6: 5,921,233 km (0.116 R)
• M7: 7,557,086 km (0.116 R)
• M8: 10,612,323 km (0.104 R)
• M9: 11,149,679 km (0.096 R)
• M10: 12,779,398 km (0.098 R)
• M11: 14,213,443 km (0.11 R)
• M12: 16,617,331 km (0.049 R)
• M13: 17,628,015 km (0.117 R)
• M14: 19,402,993 km (0.12 R)
• M15: 20,270,960 km (0.111 R)
• M16: 20,971,078 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.8

Radius: 11.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.71 AU - 2.75 AU

Year: 3059 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,107,227 km

• M1: 142,118 km (0.084 R)
• M2: 715,227 km (0.119 R)
• M3: 1,611,319 km (0.066 R)
• M4: 2,205,521 km (0.08 R)
• M5: 3,115,675 km (0.105 R)
• M6: 4,738,363 km (0.102 R)
• M7: 6,463,825 km (0.085 R)
• M8: 7,122,803 km (0.103 R)
• M9: 7,742,438 km (0.104 R)
• M10: 8,194,523 km (0.108 R)
• M11: 13,332,611 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 12

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.39 AU - 4.37 AU

Year: 5184 Days

Day: 11 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,107,227 km

• M1: 157,078 km (0.115 R)
• M2: 691,292 km (0.1 R)
• M3: 1,065,586 km (0.041 R)
• M4: 1,631,664 km (0.106 R)
• M5: 2,075,222 km (0.099 R)
• M6: 2,460,287 km (0.097 R)
• M7: 3,169,979 km (0.103 R)
• M8: 4,485,842 km (0.09 R)
• M9: 5,025,142 km (0.073 R)
• M10: 6,598,463 km (0.082 R)
• M11: 7,930,183 km (0.086 R)
• M12: 8,843,927 km (0.081 R)
• M13: 12,109,948 km (0.12 R)
• M14: 13,266,788 km (0.038 R)
• M15: 15,860,217 km (0.109 R)
• M16: 17,766,542 km (0.063 R)
• M17: 18,232,390 km (0.103 R)
• M18: 18,706,466 km (0.049 R)
• M19: 21,725,800 km (0.065 R)
• M20: 25,726,944 km (0.107 R)
• M21: 26,323,840 km (0.107 R)
• M22: 27,545,007 km (0.052 R)
• M23: 28,169,728 km (0.1 R)
• M24: 28,986,682 km (0.083 R)
• M25: 29,540,044 km (0.04 R)
• M26: 31,726,866 km (0.07 R)
• M27: 34,121,629 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 13.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.37 AU - 4.77 AU

Year: 5569 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,107,227 km

• M1: 183,706 km (0.074 R)
• M2: 780,153 km (0.071 R)
• M3: 1,693,597 km (0.107 R)
• M4: 2,788,804 km (0.083 R)
• M5: 4,406,405 km (0.043 R)
• M6: 6,489,107 km (0.076 R)
• M7: 7,156,463 km (0.119 R)
• M8: 9,397,589 km (0.054 R)
• M9: 12,356,335 km (0.104 R)
• M10: 13,084,279 km (0.03 R)
• M11: 18,440,481 km (0.098 R)
• M12: 22,728,853 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 8.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.47 AU - 5.13 AU

Year: 6048 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,107,227 km

• M1: 109,506 km (0.044 R)
• M2: 428,149 km (0.098 R)
• M3: 745,297 km (0.108 R)
• M4: 1,223,411 km (0.105 R)
• M5: 1,644,230 km (0.048 R)
• M6: 2,384,889 km (0.11 R)
• M7: 2,831,140 km (0.111 R)
• M8: 3,351,740 km (0.092 R)
• M9: 3,698,209 km (0.044 R)
• M10: 4,439,317 km (0.107 R)
• M11: 5,860,945 km (0.102 R)
• M12: 6,365,539 km (0.092 R)
• M13: 7,126,843 km (0.107 R)
• M14: 10,147,972 km (0.095 R)
• M15: 12,628,753 km (0.083 R)
• M16: 14,722,674 km (0.104 R)
• M17: 16,978,610 km (0.06 R)
• M18: 18,942,082 km (0.096 R)
• M19: 19,326,549 km (0.081 R)
• M20: 20,848,109 km (0.102 R)
• M21: 21,534,015 km (0.091 R)
• M22: 24,203,290 km (0.117 R)
• M23: 26,683,174 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 8.4

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.54 AU - 5.54 AU

Year: 6561 Days

Day: 6.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,107,227 km

• M1: 106,214 km (0.035 R)
• M2: 371,452 km (0.106 R)
• M3: 775,665 km (0.087 R)
• M4: 1,073,963 km (0.112 R)
• M5: 1,348,026 km (0.11 R)
• M6: 1,708,258 km (0.065 R)
• M7: 2,162,736 km (0.037 R)
• M8: 2,486,317 km (0.074 R)
• M9: 2,805,110 km (0.106 R)
• M10: 3,525,573 km (0.064 R)
• M11: 3,906,150 km (0.109 R)
• M12: 4,191,134 km (0.057 R)
• M13: 4,541,193 km (0.062 R)
• M14: 5,271,829 km (0.118 R)
• M15: 5,710,300 km (0.074 R)
• M16: 6,047,195 km (0.038 R)
• M17: 8,472,326 km (0.081 R)
• M18: 8,830,314 km (0.065 R)
• M19: 9,365,275 km (0.109 R)
• M20: 9,965,313 km (0.096 R)
• M21: 10,636,409 km (0.102 R)
• M22: 14,006,699 km (0.059 R)
• M23: 15,020,823 km (0.038 R)
• M24: 17,005,837 km (0.11 R)
• M25: 18,028,638 km (0.094 R)
• M26: 19,777,287 km (0.046 R)
• M27: 20,692,677 km (0.108 R)
• M28: 26,532,978 km (0.075 R)
• M29: 28,346,104 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293

Radius: 9.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.21 AU - 5.71 AU

Year: 7492 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,107,227 km

• M1: 113,395 km (0.109 R)
• M2: 460,313 km (0.094 R)
• M3: 771,626 km (0.075 R)
• M4: 1,094,907 km (0.095 R)
• M5: 1,440,927 km (0.107 R)
• M6: 1,942,229 km (0.058 R)
• M7: 2,505,914 km (0.077 R)
• M8: 3,958,210 km (0.093 R)
• M9: 4,786,533 km (0.11 R)
• M10: 5,186,857 km (0.109 R)
• M11: 5,844,190 km (0.075 R)
• M12: 6,983,079 km (0.103 R)
• M13: 9,905,473 km (0.07 R)
• M14: 12,335,840 km (0.099 R)
• M15: 13,662,624 km (0.082 R)
• M16: 15,195,105 km (0.081 R)
• M17: 16,417,469 km (0.109 R)
• M18: 17,956,532 km (0.116 R)
• M19: 19,056,525 km (0.091 R)
• M20: 19,927,633 km (0.081 R)
• M21: 20,965,543 km (0.078 R)
• M22: 21,677,031 km (0.086 R)
• M23: 23,374,817 km (0.067 R)
• M24: 28,390,235 km (0.089 R)
• M25: 29,614,394 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.7

Radius: 6.1

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5 AU - 7.5 AU

Year: 10598 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,107,227 km

• M1: 75,996 km (0.075 R)
• M2: 273,914 km (0.108 R)
• M3: 756,217 km (0.086 R)
• M4: 1,107,922 km (0.11 R)
• M5: 1,805,048 km (0.065 R)
• M6: 2,137,454 km (0.086 R)
• M7: 3,008,563 km (0.113 R)
• M8: 4,228,085 km (0.099 R)
• M9: 4,756,913 km (0.103 R)
• M10: 5,423,222 km (0.113 R)
• M11: 6,219,083 km (0.079 R)
• M12: 6,572,732 km (0.111 R)
• M13: 6,828,245 km (0.073 R)
• M14: 8,040,287 km (0.117 R)
• M15: 9,435,138 km (0.081 R)
• M16: 10,731,403 km (0.109 R)
• M17: 11,396,216 km (0.096 R)
• M18: 12,306,370 km (0.111 R)
• M19: 13,091,609 km (0.11 R)
• M20: 13,731,589 km (0.117 R)
• M21: 16,568,263 km (0.104 R)
• M22: 22,782,110 km (0.114 R)
• M23: 24,832,199 km (0.094 R)
• M24: 25,274,261 km (0.1 R)
• M25: 25,992,480 km (0.058 R)
• M26: 27,375,662 km (0.117 R)
• M27: 29,788,826 km (0.044 R)
• M28: 30,792,478 km (0.034 R)
• M29: 33,722,651 km (0.078 R)
• M30: 35,255,132 km (0.11 R)
• M31: 38,576,205 km (0.089 R)
• M32: 39,647,774 km (0.062 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 12,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit