🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 10.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.7 AU - 0.72 AU

Year: 406 Days

Day: 12.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,425,073 km

• M1: 128,056 km (0.091 R)
• M2: 576,999 km (0.095 R)
• M3: 1,076,506 km (0.116 R)
• M4: 2,109,779 km (0.064 R)
• M5: 2,513,394 km (0.096 R)
• M6: 3,029,207 km (0.101 R)
• M7: 3,367,298 km (0.074 R)
• M8: 3,813,549 km (0.026 R)
• M9: 4,260,248 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 13.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.45 AU - 1.63 AU

Year: 1296 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,425,073 km

• M1: 167,998 km (0.103 R)
• M2: 635,043 km (0.111 R)
• M3: 1,155,195 km (0.095 R)
• M4: 1,675,347 km (0.117 R)
• M5: 2,182,483 km (0.087 R)
• M6: 2,623,947 km (0.05 R)
• M7: 4,159,419 km (0.094 R)
• M8: 5,547,837 km (0.081 R)
• M9: 6,944,034 km (0.035 R)
• M10: 7,862,565 km (0.107 R)
• M11: 9,561,847 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.84 AU - 1.98 AU

Year: 1790 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,425,073 km

• M1: 112,049 km (0.094 R)
• M2: 691,292 km (0.114 R)
• M3: 1,113,158 km (0.118 R)
• M4: 1,427,313 km (0.097 R)
• M5: 1,731,147 km (0.089 R)
• M6: 2,239,929 km (0.086 R)
• M7: 2,859,264 km (0.108 R)
• M8: 3,149,185 km (0.114 R)
• M9: 3,704,492 km (0.114 R)
• M10: 4,032,560 km (0.064 R)
• M11: 4,361,077 km (0.104 R)
• M12: 4,747,189 km (0.092 R)
• M13: 5,745,007 km (0.106 R)
• M14: 6,162,086 km (0.091 R)
• M15: 6,500,327 km (0.085 R)
• M16: 7,005,070 km (0.074 R)
• M17: 8,036,098 km (0.038 R)
• M18: 8,588,115 km (0.064 R)
• M19: 9,574,713 km (0.085 R)
• M20: 10,600,804 km (0.067 R)
• M21: 11,625,400 km (0.097 R)
• M22: 12,105,460 km (0.08 R)
• M23: 12,831,009 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.8

Radius: 12.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.54 AU - 4 AU

Year: 4011 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,425,073 km

• M1: 158,125 km (0.101 R)
• M2: 1,035,217 km (0.057 R)
• M3: 1,518,119 km (0.093 R)
• M4: 2,385,188 km (0.103 R)
• M5: 4,496,164 km (0.028 R)
• M6: 5,268,987 km (0.083 R)
• M7: 6,364,791 km (0.083 R)
• M8: 7,880,816 km (0.096 R)
• M9: 8,668,000 km (0.107 R)
• M10: 9,705,012 km (0.1 R)
• M11: 10,567,594 km (0.091 R)
• M12: 11,082,958 km (0.072 R)
• M13: 12,682,608 km (0.081 R)
• M14: 14,588,485 km (0.106 R)
• M15: 16,506,479 km (0.098 R)
• M16: 20,904,657 km (0.068 R)
• M17: 21,581,138 km (0.12 R)
• M18: 22,272,131 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 9.8

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.04 AU - 4.18 AU

Year: 4652 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,425,073 km

• M1: 122,371 km (0.076 R)
• M2: 449,691 km (0.071 R)
• M3: 1,064,538 km (0.083 R)
• M4: 1,561,503 km (0.061 R)
• M5: 2,057,120 km (0.083 R)
• M6: 2,947,826 km (0.071 R)
• M7: 3,323,765 km (0.102 R)
• M8: 3,959,407 km (0.067 R)
• M9: 4,343,724 km (0.117 R)
• M10: 5,104,130 km (0.105 R)
• M11: 5,530,932 km (0.05 R)
• M12: 6,074,422 km (0.045 R)
• M13: 7,589,848 km (0.032 R)
• M14: 7,958,308 km (0.099 R)
• M15: 9,135,792 km (0.106 R)
• M16: 11,542,224 km (0.072 R)
• M17: 13,738,769 km (0.118 R)
• M18: 14,623,042 km (0.101 R)
• M19: 15,252,550 km (0.102 R)
• M20: 16,750,623 km (0.063 R)
• M21: 19,621,556 km (0.11 R)
• M22: 20,317,036 km (0.037 R)
• M23: 21,979,218 km (0.025 R)
• M24: 22,881,443 km (0.115 R)
• M25: 24,439,804 km (0.111 R)
• M26: 25,489,832 km (0.115 R)
• M27: 26,993,141 km (0.089 R)
• M28: 29,447,892 km (0.073 R)
• M29: 29,810,368 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.6

Radius: 12.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.01 AU - 4.63 AU

Year: 6090 Days

Day: 9.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,425,073 km

• M1: 160,668 km (0.109 R)
• M2: 658,679 km (0.085 R)
• M3: 1,841,849 km (0.102 R)
• M4: 2,501,725 km (0.09 R)
• M5: 4,146,105 km (0.098 R)
• M6: 5,257,168 km (0.12 R)
• M7: 5,772,533 km (0.106 R)
• M8: 8,381,071 km (0.12 R)
• M9: 11,492,557 km (0.08 R)
• M10: 12,259,097 km (0.098 R)
• M11: 12,842,678 km (0.09 R)
• M12: 13,781,105 km (0.11 R)
• M13: 14,354,065 km (0.113 R)
• M14: 16,358,826 km (0.103 R)
• M15: 17,197,622 km (0.093 R)
• M16: 17,794,966 km (0.097 R)
• M17: 18,269,042 km (0.111 R)
• M18: 19,031,243 km (0.082 R)
• M19: 20,693,125 km (0.094 R)
• M20: 25,396,483 km (0.072 R)
• M21: 27,051,334 km (0.035 R)
• M22: 32,446,432 km (0.088 R)
• M23: 33,256,953 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 13.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.5 AU - 4.64 AU

Year: 6626 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,425,073 km

• M1: 165,455 km (0.1 R)
• M2: 586,124 km (0.111 R)
• M3: 1,296,266 km (0.105 R)
• M4: 1,761,066 km (0.089 R)
• M5: 2,540,471 km (0.08 R)
• M6: 3,200,796 km (0.091 R)
• M7: 4,240,651 km (0.118 R)
• M8: 8,440,761 km (0.081 R)
• M9: 8,969,739 km (0.047 R)
• M10: 10,644,188 km (0.116 R)
• M11: 11,262,476 km (0.054 R)
• M12: 11,954,815 km (0.099 R)
• M13: 15,729,767 km (0.081 R)
• M14: 16,658,471 km (0.045 R)
• M15: 19,664,790 km (0.066 R)
• M16: 26,128,016 km (0.112 R)
• M17: 29,603,474 km (0.101 R)
• M18: 30,352,660 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.6

Radius: 12.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.11 AU - 5.81 AU

Year: 7492 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,425,073 km

• M1: 159,920 km (0.093 R)
• M2: 825,182 km (0.033 R)
• M3: 1,400,984 km (0.114 R)
• M4: 1,868,926 km (0.101 R)
• M5: 3,193,167 km (0.047 R)
• M6: 5,768,943 km (0.117 R)
• M7: 8,509,276 km (0.094 R)
• M8: 9,016,862 km (0.091 R)
• M9: 9,862,090 km (0.112 R)
• M10: 10,280,515 km (0.067 R)
• M11: 20,900,618 km (0.068 R)
• M12: 25,112,845 km (0.096 R)
• M13: 30,248,390 km (0.086 R)
• M14: 31,533,436 km (0.039 R)
• M15: 34,424,714 km (0.05 R)
• M16: 35,498,677 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.1

Radius: 5.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.51 AU - 8.79 AU

Year: 12967 Days

Day: 19.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,425,073 km

• M1: 73,752 km (0.079 R)
• M2: 308,172 km (0.104 R)
• M3: 738,265 km (0.106 R)
• M4: 971,040 km (0.118 R)
• M5: 1,425,369 km (0.065 R)
• M6: 1,877,304 km (0.104 R)
• M7: 2,120,999 km (0.08 R)
• M8: 2,598,365 km (0.114 R)
• M9: 2,785,213 km (0.07 R)
• M10: 4,842,633 km (0.114 R)
• M11: 7,001,779 km (0.061 R)
• M12: 7,627,995 km (0.096 R)
• M13: 8,906,758 km (0.08 R)
• M14: 11,729,071 km (0.107 R)
• M15: 17,424,861 km (0.039 R)
• M16: 19,056,974 km (0.109 R)
• M17: 21,463,704 km (0.108 R)
• M18: 21,998,965 km (0.055 R)
• M19: 26,519,514 km (0.109 R)
• M20: 27,135,857 km (0.099 R)
• M21: 28,123,652 km (0.071 R)
• M22: 31,328,337 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.7

Radius: 3.9

Gravity: 65 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.1 AU - 9.42 AU

Year: 19112 Days

Day: 20.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,425,073 km

• M1: 51,462 km (0.109 R)
• M2: 199,863 km (0.038 R)
• M3: 436,826 km (0.117 R)
• M4: 715,527 km (0.036 R)
• M5: 877,092 km (0.09 R)
• M6: 1,335,759 km (0.107 R)
• M7: 1,582,596 km (0.105 R)
• M8: 3,971,075 km (0.033 R)
• M9: 4,340,582 km (0.093 R)
• M10: 4,659,824 km (0.076 R)
• M11: 8,111,197 km (0.106 R)
• M12: 9,154,492 km (0.111 R)
• M13: 9,917,890 km (0.107 R)
• M14: 10,346,039 km (0.103 R)
• M15: 12,461,353 km (0.08 R)
• M16: 12,816,050 km (0.086 R)
• M17: 16,400,564 km (0.115 R)
• M18: 17,788,982 km (0.12 R)
• M19: 22,007,792 km (0.094 R)
• M20: 22,945,770 km (0.058 R)
• M21: 23,157,750 km (0.045 R)
• M22: 24,128,042 km (0.077 R)
• M23: 24,457,457 km (0.115 R)
• M24: 28,280,580 km (0.072 R)
• M25: 29,889,954 km (0.049 R)
• M26: 31,428,717 km (0.062 R)
• M27: 40,845,006 km (0.098 R)
• M28: 42,737,269 km (0.092 R)
• M29: 44,852,434 km (0.103 R)
• M30: 45,516,947 km (0.112 R)
• M31: 48,067,591 km (0.077 R)
• M32: 51,796,168 km (0.069 R)
• M33: 58,628,453 km (0.108 R)
• M34: 61,848,696 km (0.077 R)
• M35: 63,920,029 km (0.065 R)
• M36: 68,200,472 km (0.081 R)
• M37: 76,144,119 km (0.07 R)
• M38: 83,175,219 km (0.059 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: 346 - 18,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit