🌌 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: 414.5

Radius: 11.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.58 AU - 0.76 AU

Year: 385 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,848,267 km

• M1: 143,016 km (0.066 R)
• M2: 648,208 km (0.109 R)
• M3: 1,008,738 km (0.109 R)
• M4: 1,426,117 km (0.101 R)
• M5: 1,945,221 km (0.038 R)
• M6: 2,421,391 km (0.096 R)
• M7: 2,781,473 km (0.112 R)
• M8: 3,510,613 km (0.063 R)
• M9: 3,926,795 km (0.072 R)
• M10: 4,480,157 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.6

Radius: 9.3

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.83 AU - 1.17 AU

Year: 703 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,848,267 km

• M1: 115,639 km (0.063 R)
• M2: 435,629 km (0.118 R)
• M3: 787,483 km (0.049 R)
• M4: 1,092,364 km (0.08 R)
• M5: 1,531,284 km (0.112 R)
• M6: 1,898,995 km (0.06 R)
• M7: 2,202,978 km (0.11 R)
• M8: 3,084,558 km (0.115 R)
• M9: 3,385,101 km (0.071 R)
• M10: 4,263,240 km (0.105 R)
• M11: 4,755,866 km (0.068 R)
• M12: 5,051,621 km (0.093 R)
• M13: 6,073,823 km (0.082 R)
• M14: 6,443,629 km (0.031 R)
• M15: 7,093,183 km (0.113 R)
• M16: 7,457,155 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 11.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.97 AU - 1.15 AU

Year: 767 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,848,267 km

• M1: 144,362 km (0.081 R)
• M2: 641,625 km (0.09 R)
• M3: 1,078,002 km (0.077 R)
• M4: 1,596,060 km (0.059 R)
• M5: 1,998,179 km (0.111 R)
• M6: 2,651,024 km (0.066 R)
• M7: 3,244,479 km (0.119 R)
• M8: 3,796,644 km (0.085 R)
• M9: 4,176,473 km (0.111 R)
• M10: 4,906,661 km (0.093 R)
• M11: 5,603,338 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 10.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.16 AU - 1.18 AU

Year: 890 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,848,267 km

• M1: 128,205 km (0.106 R)
• M2: 464,950 km (0.101 R)
• M3: 787,184 km (0.033 R)
• M4: 1,136,046 km (0.106 R)
• M5: 1,717,683 km (0.114 R)
• M6: 2,383,543 km (0.091 R)
• M7: 2,905,639 km (0.083 R)
• M8: 3,852,444 km (0.066 R)
• M9: 4,573,955 km (0.07 R)
• M10: 4,993,128 km (0.108 R)
• M11: 5,831,624 km (0.117 R)
• M12: 7,195,209 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 12.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.94 AU - 1.52 AU

Year: 959 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,848,267 km

• M1: 155,432 km (0.05 R)
• M2: 546,331 km (0.096 R)
• M3: 1,023,100 km (0.114 R)
• M4: 2,237,087 km (0.097 R)
• M5: 2,657,457 km (0.052 R)
• M6: 3,310,750 km (0.103 R)
• M7: 3,798,739 km (0.104 R)
• M8: 4,334,598 km (0.099 R)
• M9: 5,458,976 km (0.062 R)
• M10: 6,791,893 km (0.112 R)
• M11: 7,192,815 km (0.069 R)
• M12: 9,411,950 km (0.089 R)
• M13: 10,459,584 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 11.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.12 AU - 1.76 AU

Year: 1215 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,848,267 km

• M1: 139,276 km (0.074 R)
• M2: 534,962 km (0.064 R)
• M3: 909,256 km (0.069 R)
• M4: 1,315,713 km (0.08 R)
• M5: 1,758,373 km (0.091 R)
• M6: 2,220,930 km (0.105 R)
• M7: 3,849,901 km (0.108 R)
• M8: 4,310,363 km (0.106 R)
• M9: 4,769,330 km (0.104 R)
• M10: 5,404,373 km (0.119 R)
• M11: 6,438,393 km (0.107 R)
• M12: 6,892,273 km (0.115 R)
• M13: 8,216,813 km (0.06 R)
• M14: 9,219,418 km (0.094 R)
• M15: 10,593,324 km (0.111 R)
• M16: 11,640,210 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.7

Radius: 10.1

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.17 AU - 5.59 AU

Year: 7578 Days

Day: 6.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,848,267 km

• M1: 125,662 km (0.117 R)
• M2: 479,910 km (0.082 R)
• M3: 1,393,355 km (0.1 R)
• M4: 2,242,472 km (0.062 R)
• M5: 3,405,147 km (0.087 R)
• M6: 3,894,182 km (0.098 R)
• M7: 4,583,828 km (0.096 R)
• M8: 5,013,174 km (0.075 R)
• M9: 5,352,761 km (0.046 R)
• M10: 6,269,647 km (0.074 R)
• M11: 7,006,267 km (0.057 R)
• M12: 7,799,435 km (0.119 R)
• M13: 8,812,661 km (0.097 R)
• M14: 9,564,091 km (0.119 R)
• M15: 9,911,457 km (0.118 R)
• M16: 11,051,842 km (0.064 R)
• M17: 12,379,224 km (0.076 R)
• M18: 12,792,264 km (0.038 R)
• M19: 14,198,484 km (0.081 R)
• M20: 17,702,215 km (0.119 R)
• M21: 18,493,139 km (0.073 R)
• M22: 20,003,928 km (0.101 R)
• M23: 20,861,872 km (0.107 R)
• M24: 22,043,695 km (0.058 R)
• M25: 23,036,427 km (0.112 R)
• M26: 23,425,979 km (0.071 R)
• M27: 23,899,307 km (0.107 R)
• M28: 24,379,067 km (0.053 R)
• M29: 25,110,751 km (0.112 R)
• M30: 27,306,548 km (0.04 R)
• M31: 30,741,914 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.8

Radius: 7.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.29 AU - 8.03 AU

Year: 12081 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,848,267 km

• M1: 97,987 km (0.106 R)
• M2: 357,539 km (0.091 R)
• M3: 937,380 km (0.107 R)
• M4: 1,235,379 km (0.091 R)
• M5: 1,818,362 km (0.089 R)
• M6: 2,163,784 km (0.057 R)
• M7: 2,795,386 km (0.075 R)
• M8: 3,120,612 km (0.099 R)
• M9: 3,873,538 km (0.061 R)
• M10: 5,941,279 km (0.099 R)
• M11: 7,331,044 km (0.094 R)
• M12: 8,123,314 km (0.056 R)
• M13: 8,429,242 km (0.112 R)
• M14: 9,017,760 km (0.099 R)
• M15: 10,895,363 km (0.106 R)
• M16: 11,484,329 km (0.101 R)
• M17: 13,560,449 km (0.09 R)
• M18: 15,141,698 km (0.069 R)
• M19: 15,874,877 km (0.076 R)
• M20: 18,817,318 km (0.116 R)
• M21: 19,664,640 km (0.03 R)
• M22: 22,444,318 km (0.107 R)
• M23: 23,134,563 km (0.031 R)
• M24: 23,661,446 km (0.103 R)
• M25: 24,739,149 km (0.118 R)
• M26: 28,367,945 km (0.063 R)
• M27: 28,668,637 km (0.105 R)
• M28: 31,471,951 km (0.069 R)
• M29: 33,105,859 km (0.061 R)
• M30: 33,439,163 km (0.094 R)
• M31: 36,897,716 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.3

Radius: 7.2

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.54 AU - 8.1 AU

Year: 12519 Days

Day: 20.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,848,267 km

• M1: 92,003 km (0.049 R)
• M2: 689,347 km (0.092 R)
• M3: 1,155,793 km (0.102 R)
• M4: 1,659,190 km (0.095 R)
• M5: 1,969,306 km (0.055 R)
• M6: 2,265,660 km (0.07 R)
• M7: 3,226,377 km (0.12 R)
• M8: 3,521,683 km (0.105 R)
• M9: 5,095,752 km (0.047 R)
• M10: 5,625,030 km (0.075 R)
• M11: 8,322,429 km (0.11 R)
• M12: 8,835,998 km (0.099 R)
• M13: 10,357,259 km (0.059 R)
• M14: 12,207,635 km (0.102 R)
• M15: 12,536,152 km (0.088 R)
• M16: 15,316,877 km (0.04 R)
• M17: 15,571,044 km (0.049 R)
• M18: 17,498,613 km (0.057 R)
• M19: 19,209,713 km (0.08 R)
• M20: 22,304,743 km (0.055 R)
• M21: 26,257,119 km (0.098 R)
• M22: 27,081,403 km (0.069 R)
• M23: 27,828,495 km (0.031 R)
• M24: 29,657,927 km (0.078 R)
• M25: 32,812,647 km (0.09 R)
• M26: 34,307,878 km (0.085 R)
• M27: 34,634,151 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.8

Radius: 6.2

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.67 AU - 9.37 AU

Year: 19042 Days

Day: 22.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,848,267 km

• M1: 80,633 km (0.114 R)
• M2: 300,093 km (0.056 R)
• M3: 660,923 km (0.118 R)
• M4: 992,582 km (0.081 R)
• M5: 1,491,790 km (0.099 R)
• M6: 1,754,334 km (0.075 R)
• M7: 2,548,549 km (0.041 R)
• M8: 3,285,618 km (0.103 R)
• M9: 3,971,075 km (0.056 R)
• M10: 4,544,783 km (0.072 R)
• M11: 5,135,844 km (0.093 R)
• M12: 6,947,176 km (0.069 R)
• M13: 8,167,894 km (0.081 R)
• M14: 8,933,985 km (0.108 R)
• M15: 9,580,547 km (0.112 R)
• M16: 11,209,668 km (0.093 R)
• M17: 12,746,187 km (0.108 R)
• M18: 13,083,082 km (0.079 R)
• M19: 13,564,637 km (0.086 R)
• M20: 13,986,952 km (0.106 R)
• M21: 22,866,035 km (0.092 R)
• M22: 24,795,249 km (0.062 R)
• M23: 28,628,245 km (0.069 R)
• M24: 36,086,148 km (0.055 R)
• M25: 41,865,563 km (0.091 R)
• M26: 43,819,460 km (0.065 R)
• M27: 45,207,130 km (0.072 R)
• M28: 48,232,597 km (0.11 R)
• M29: 48,722,231 km (0.108 R)
• M30: 50,714,277 km (0.087 R)
• M31: 52,932,963 km (0.045 R)
• M32: 59,226,246 km (0.071 R)
• M33: 59,600,091 km (0.103 R)
• M34: 61,685,186 km (0.084 R)
• M35: 62,069,353 km (0.09 R)
• M36: 62,842,625 km (0.045 R)
• M37: 66,805,622 km (0.075 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: 341 - 19,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit