🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 11.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.92 AU - 1.3 AU

Year: 744 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,052,775 km

• M1: 139,276 km (0.12 R)
• M2: 502,798 km (0.115 R)
• M3: 892,650 km (0.117 R)
• M4: 1,295,966 km (0.075 R)
• M5: 2,034,681 km (0.062 R)
• M6: 2,433,808 km (0.101 R)
• M7: 2,997,193 km (0.094 R)
• M8: 4,402,965 km (0.08 R)
• M9: 6,677,451 km (0.091 R)
• M10: 7,170,974 km (0.047 R)
• M11: 8,031,012 km (0.063 R)
• M12: 8,511,969 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 10.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.2 AU - 1.56 AU

Year: 1031 Days

Day: 13.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,052,775 km

• M1: 137,929 km (0.072 R)
• M2: 577,149 km (0.105 R)
• M3: 934,089 km (0.078 R)
• M4: 1,273,826 km (0.093 R)
• M5: 1,658,292 km (0.117 R)
• M6: 2,042,909 km (0.084 R)
• M7: 2,668,228 km (0.096 R)
• M8: 3,067,205 km (0.112 R)
• M9: 4,110,052 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 14

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.27 AU - 1.85 AU

Year: 1239 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,052,775 km

• M1: 174,132 km (0.082 R)
• M2: 658,679 km (0.082 R)
• M3: 1,156,990 km (0.116 R)
• M4: 1,655,899 km (0.117 R)
• M5: 2,278,525 km (0.11 R)
• M6: 2,989,265 km (0.099 R)
• M7: 4,082,376 km (0.118 R)
• M8: 5,427,261 km (0.098 R)
• M9: 7,934,821 km (0.117 R)
• M10: 8,431,186 km (0.089 R)
• M11: 9,748,844 km (0.096 R)
• M12: 10,227,408 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 10.8

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.84 AU - 2.48 AU

Year: 2018 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,052,775 km

• M1: 134,339 km (0.033 R)
• M2: 744,997 km (0.112 R)
• M3: 1,282,503 km (0.114 R)
• M4: 1,641,388 km (0.065 R)
• M5: 2,021,067 km (0.084 R)
• M6: 2,855,973 km (0.084 R)
• M7: 3,548,312 km (0.112 R)
• M8: 4,152,687 km (0.034 R)
• M9: 4,676,130 km (0.075 R)
• M10: 5,426,812 km (0.086 R)
• M11: 5,954,145 km (0.062 R)
• M12: 6,701,237 km (0.061 R)
• M13: 7,451,769 km (0.09 R)
• M14: 9,120,234 km (0.095 R)
• M15: 11,100,162 km (0.069 R)
• M16: 11,559,278 km (0.06 R)
• M17: 12,190,880 km (0.097 R)
• M18: 13,139,031 km (0.05 R)
• M19: 13,958,828 km (0.068 R)
• M20: 15,795,740 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.3

Radius: 13.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.37 AU - 2.65 AU

Year: 2528 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,052,775 km

• M1: 170,392 km (0.119 R)
• M2: 696,228 km (0.114 R)
• M3: 1,154,896 km (0.077 R)
• M4: 2,180,987 km (0.095 R)
• M5: 3,058,528 km (0.081 R)
• M6: 4,006,829 km (0.036 R)
• M7: 11,355,376 km (0.056 R)
• M8: 12,064,171 km (0.095 R)
• M9: 13,440,022 km (0.078 R)
• M10: 13,921,129 km (0.072 R)
• M11: 16,304,373 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 8.4

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.2 AU - 5.66 AU

Year: 6960 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,052,775 km

• M1: 104,419 km (0.079 R)
• M2: 414,835 km (0.104 R)
• M3: 793,766 km (0.095 R)
• M4: 1,361,490 km (0.097 R)
• M5: 1,786,348 km (0.095 R)
• M6: 2,494,694 km (0.056 R)
• M7: 2,944,086 km (0.114 R)
• M8: 3,355,480 km (0.118 R)
• M9: 4,160,766 km (0.049 R)
• M10: 4,511,423 km (0.092 R)
• M11: 5,780,911 km (0.054 R)
• M12: 6,047,494 km (0.107 R)
• M13: 6,392,317 km (0.092 R)
• M14: 6,677,600 km (0.06 R)
• M15: 7,783,577 km (0.089 R)
• M16: 9,096,299 km (0.089 R)
• M17: 9,970,249 km (0.096 R)
• M18: 10,501,322 km (0.059 R)
• M19: 11,725,182 km (0.038 R)
• M20: 13,794,569 km (0.028 R)
• M21: 17,858,844 km (0.056 R)
• M22: 18,859,504 km (0.059 R)
• M23: 19,972,662 km (0.06 R)
• M24: 23,914,267 km (0.078 R)
• M25: 31,210,305 km (0.067 R)
• M26: 37,623,864 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.3

Radius: 5.2

Gravity: 33.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.92 AU - 8.08 AU

Year: 10537 Days

Day: 23.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,052,775 km

• M1: 67,618 km (0.075 R)
• M2: 231,129 km (0.11 R)
• M3: 439,070 km (0.074 R)
• M4: 809,773 km (0.12 R)
• M5: 1,341,594 km (0.104 R)
• M6: 1,887,028 km (0.072 R)
• M7: 2,080,158 km (0.107 R)
• M8: 2,784,914 km (0.107 R)
• M9: 3,610,545 km (0.063 R)
• M10: 4,557,499 km (0.112 R)
• M11: 4,939,722 km (0.081 R)
• M12: 5,552,624 km (0.081 R)
• M13: 5,951,452 km (0.072 R)
• M14: 7,607,351 km (0.115 R)
• M15: 7,917,916 km (0.07 R)
• M16: 9,961,722 km (0.102 R)
• M17: 10,279,767 km (0.076 R)
• M18: 11,446,631 km (0.117 R)
• M19: 13,263,048 km (0.112 R)
• M20: 14,779,372 km (0.075 R)
• M21: 16,188,883 km (0.113 R)
• M22: 18,230,445 km (0.109 R)
• M23: 19,683,041 km (0.115 R)
• M24: 20,016,046 km (0.115 R)
• M25: 23,276,381 km (0.078 R)
• M26: 23,555,382 km (0.055 R)
• M27: 23,836,476 km (0.094 R)
• M28: 28,857,728 km (0.092 R)
• M29: 30,825,240 km (0.076 R)
• M30: 33,941,363 km (0.08 R)
• M31: 39,988,109 km (0.11 R)
• M32: 43,264,303 km (0.075 R)
• M33: 43,685,869 km (0.076 R)
• M34: 46,273,763 km (0.086 R)
• M35: 52,865,793 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.3

Radius: 4.4

Gravity: 40.2 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 10.02 AU - 11.58 AU

Year: 22567 Days

Day: 15.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,052,775 km

• M1: 55,202 km (0.114 R)
• M2: 192,383 km (0.08 R)
• M3: 581,786 km (0.102 R)
• M4: 1,142,479 km (0.11 R)
• M5: 1,350,570 km (0.075 R)
• M6: 2,240,079 km (0.112 R)
• M7: 2,494,694 km (0.082 R)
• M8: 3,346,056 km (0.092 R)
• M9: 3,586,160 km (0.109 R)
• M10: 4,168,245 km (0.111 R)
• M11: 4,736,418 km (0.094 R)
• M12: 5,641,635 km (0.107 R)
• M13: 6,290,590 km (0.067 R)
• M14: 8,208,884 km (0.093 R)
• M15: 9,388,164 km (0.114 R)
• M16: 10,048,938 km (0.082 R)
• M17: 10,933,959 km (0.082 R)
• M18: 12,007,772 km (0.078 R)
• M19: 14,836,070 km (0.057 R)
• M20: 16,833,949 km (0.103 R)
• M21: 20,156,368 km (0.059 R)
• M22: 25,573,906 km (0.117 R)
• M23: 26,976,086 km (0.051 R)
• M24: 38,405,065 km (0.117 R)
• M25: 44,582,858 km (0.116 R)
• M26: 44,916,461 km (0.066 R)
• M27: 46,438,021 km (0.117 R)
• M28: 47,471,294 km (0.119 R)
• M29: 51,026,039 km (0.11 R)
• M30: 51,574,165 km (0.073 R)
• M31: 54,945,353 km (0.105 R)
• M32: 57,864,456 km (0.074 R)
• M33: 58,660,018 km (0.088 R)
• M34: 60,680,636 km (0.081 R)
• M35: 61,295,783 km (0.064 R)
• M36: 70,801,680 km (0.094 R)
• M37: 71,483,398 km (0.063 R)
• M38: 76,140,230 km (0.051 R)
• M39: 79,273,258 km (0.106 R)
• M40: 84,259,355 km (0.117 R)
• M41: 85,537,818 km (0.068 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: 533 - 19,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit