🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.4

Radius: 11.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.51 AU - 0.61 AU

Year: 279 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,583,910 km

• M1: 148,999 km (0.03 R)
• M2: 551,268 km (0.107 R)
• M3: 930,349 km (0.097 R)
• M4: 1,434,943 km (0.104 R)
• M5: 1,850,376 km (0.066 R)
• M6: 2,340,010 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 12.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.66 AU - 0.68 AU

Year: 366 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,583,910 km

• M1: 160,369 km (0.091 R)
• M2: 568,173 km (0.095 R)
• M3: 1,196,633 km (0.083 R)
• M4: 1,639,144 km (0.117 R)
• M5: 2,077,316 km (0.078 R)
• M6: 2,613,325 km (0.07 R)
• M7: 3,164,145 km (0.104 R)
• M8: 3,767,174 km (0.11 R)
• M9: 4,175,576 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 9.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.45 AU - 2.15 AU

Year: 1610 Days

Day: 8.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,583,910 km

• M1: 120,576 km (0.12 R)
• M2: 521,947 km (0.027 R)
• M3: 1,105,079 km (0.101 R)
• M4: 2,014,036 km (0.099 R)
• M5: 2,844,454 km (0.077 R)
• M6: 3,981,099 km (0.065 R)
• M7: 5,513,729 km (0.066 R)
• M8: 8,751,625 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 9.8

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.77 AU - 2.01 AU

Year: 1733 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,583,910 km

• M1: 121,922 km (0.096 R)
• M2: 598,092 km (0.056 R)
• M3: 1,205,160 km (0.091 R)
• M4: 2,124,888 km (0.111 R)
• M5: 2,642,796 km (0.07 R)
• M6: 4,291,963 km (0.076 R)
• M7: 5,255,672 km (0.107 R)
• M8: 5,788,839 km (0.108 R)
• M9: 6,434,504 km (0.084 R)
• M10: 8,258,999 km (0.074 R)
• M11: 8,598,886 km (0.091 R)
• M12: 10,228,006 km (0.075 R)
• M13: 11,096,871 km (0.093 R)
• M14: 12,939,917 km (0.065 R)
• M15: 14,306,044 km (0.068 R)
• M16: 14,662,087 km (0.087 R)
• M17: 15,765,970 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766

Radius: 10.2

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.41 AU - 3.97 AU

Year: 4727 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,583,910 km

• M1: 127,308 km (0.109 R)
• M2: 590,912 km (0.06 R)
• M3: 1,075,459 km (0.063 R)
• M4: 2,848,044 km (0.119 R)
• M5: 3,493,260 km (0.045 R)
• M6: 4,209,235 km (0.078 R)
• M7: 5,183,267 km (0.095 R)
• M8: 5,549,034 km (0.054 R)
• M9: 6,652,917 km (0.059 R)
• M10: 7,644,002 km (0.099 R)
• M11: 8,613,546 km (0.118 R)
• M12: 9,705,311 km (0.1 R)
• M13: 10,841,208 km (0.109 R)
• M14: 12,658,074 km (0.057 R)
• M15: 13,219,814 km (0.107 R)
• M16: 13,744,903 km (0.118 R)
• M17: 14,613,917 km (0.051 R)
• M18: 15,461,389 km (0.051 R)
• M19: 17,945,162 km (0.105 R)
• M20: 18,719,780 km (0.03 R)
• M21: 19,449,369 km (0.088 R)
• M22: 20,266,622 km (0.119 R)
• M23: 20,824,024 km (0.081 R)
• M24: 24,230,218 km (0.03 R)
• M25: 27,395,110 km (0.103 R)
• M26: 27,819,818 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.9

Radius: 14

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.54 AU - 4.66 AU

Year: 6579 Days

Day: 8.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,583,910 km

• M1: 174,132 km (0.111 R)
• M2: 613,202 km (0.076 R)
• M3: 1,304,793 km (0.082 R)
• M4: 2,073,127 km (0.117 R)
• M5: 2,778,930 km (0.071 R)
• M6: 3,335,434 km (0.052 R)
• M7: 5,175,039 km (0.062 R)
• M8: 8,115,385 km (0.047 R)
• M9: 9,652,653 km (0.109 R)
• M10: 10,328,387 km (0.042 R)
• M11: 11,035,386 km (0.102 R)
• M12: 12,971,931 km (0.042 R)
• M13: 14,479,428 km (0.038 R)
• M14: 14,947,819 km (0.106 R)
• M15: 17,377,737 km (0.094 R)
• M16: 17,907,015 km (0.116 R)
• M17: 19,559,922 km (0.039 R)
• M18: 20,716,912 km (0.092 R)
• M19: 29,376,983 km (0.086 R)
• M20: 30,414,294 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.8

Radius: 7.7

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.14 AU - 9.78 AU

Year: 16409 Days

Day: 19.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 51.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,583,910 km

• M1: 96,042 km (0.083 R)
• M2: 343,178 km (0.078 R)
• M3: 685,009 km (0.094 R)
• M4: 941,419 km (0.113 R)
• M5: 1,303,147 km (0.055 R)
• M6: 2,056,372 km (0.062 R)
• M7: 2,831,588 km (0.066 R)
• M8: 3,350,992 km (0.099 R)
• M9: 5,850,025 km (0.088 R)
• M10: 6,161,787 km (0.09 R)
• M11: 6,903,792 km (0.109 R)
• M12: 8,564,478 km (0.12 R)
• M13: 9,863,885 km (0.12 R)
• M14: 10,194,347 km (0.12 R)
• M15: 11,469,818 km (0.113 R)
• M16: 13,176,431 km (0.054 R)
• M17: 13,442,865 km (0.077 R)
• M18: 16,772,016 km (0.081 R)
• M19: 18,962,129 km (0.062 R)
• M20: 20,435,069 km (0.096 R)
• M21: 21,244,842 km (0.116 R)
• M22: 21,796,559 km (0.091 R)
• M23: 22,641,937 km (0.12 R)
• M24: 29,749,332 km (0.117 R)
• M25: 35,318,860 km (0.049 R)
• M26: 38,755,124 km (0.088 R)
• M27: 39,302,801 km (0.103 R)
• M28: 41,118,471 km (0.05 R)
• M29: 42,843,484 km (0.045 R)
• M30: 44,466,621 km (0.073 R)
• M31: 45,520,687 km (0.119 R)
• M32: 48,149,720 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.6

Radius: 6.5

Gravity: 15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.92 AU - 10.42 AU

Year: 17024 Days

Day: 22 Hours

Environment

Temp: -240 °C

Axial Tilt: 57.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,583,910 km

• M1: 80,932 km (0.061 R)
• M2: 287,826 km (0.107 R)
• M3: 943,963 km (0.114 R)
• M4: 1,636,601 km (0.11 R)
• M5: 2,199,388 km (0.104 R)
• M6: 3,031,152 km (0.115 R)
• M7: 3,395,124 km (0.064 R)
• M8: 3,935,471 km (0.052 R)
• M9: 4,337,141 km (0.111 R)
• M10: 4,834,106 km (0.078 R)
• M11: 5,222,312 km (0.058 R)
• M12: 7,953,072 km (0.103 R)
• M13: 9,164,814 km (0.107 R)
• M14: 13,532,175 km (0.036 R)
• M15: 15,028,153 km (0.066 R)
• M16: 15,325,105 km (0.09 R)
• M17: 16,161,956 km (0.106 R)
• M18: 19,638,610 km (0.085 R)
• M19: 21,928,205 km (0.106 R)
• M20: 26,487,649 km (0.102 R)
• M21: 27,359,207 km (0.041 R)
• M22: 35,424,177 km (0.093 R)
• M23: 35,950,463 km (0.03 R)
• M24: 38,521,302 km (0.042 R)
• M25: 38,798,806 km (0.088 R)
• M26: 44,633,871 km (0.09 R)
• M27: 47,440,327 km (0.1 R)
• M28: 48,724,625 km (0.042 R)
• M29: 49,049,252 km (0.098 R)
• M30: 52,887,186 km (0.089 R)
• M31: 54,966,746 km (0.07 R)
• M32: 55,671,950 km (0.118 R)
• M33: 57,642,304 km (0.111 R)
• M34: 58,370,097 km (0.108 R)
• M35: 59,104,024 km (0.06 R)
• M36: 61,911,228 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.9

Radius: 3.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.63 AU - 10.05 AU

Year: 20584 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 166.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,583,910 km

• M1: 38,895 km (0.106 R)
• M2: 1,450,052 km (0.109 R)
• M3: 1,766,900 km (0.119 R)
• M4: 2,269,250 km (0.115 R)
• M5: 2,501,576 km (0.091 R)
• M6: 3,569,854 km (0.113 R)
• M7: 4,414,184 km (0.09 R)
• M8: 4,802,241 km (0.111 R)
• M9: 5,948,161 km (0.119 R)
• M10: 7,229,168 km (0.102 R)
• M11: 10,144,381 km (0.097 R)
• M12: 10,635,511 km (0.038 R)
• M13: 11,142,199 km (0.067 R)
• M14: 15,148,280 km (0.1 R)
• M15: 17,755,771 km (0.099 R)
• M16: 18,864,142 km (0.081 R)
• M17: 23,373,770 km (0.039 R)
• M18: 23,682,091 km (0.096 R)
• M19: 26,664,474 km (0.1 R)
• M20: 27,855,273 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.4

Radius: 5.4

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.81 AU - 10.61 AU

Year: 21755 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,583,910 km

• M1: 67,169 km (0.096 R)
• M2: 316,549 km (0.047 R)
• M3: 932,444 km (0.084 R)
• M4: 1,123,630 km (0.114 R)
• M5: 1,387,819 km (0.062 R)
• M6: 1,586,485 km (0.065 R)
• M7: 1,880,894 km (0.114 R)
• M8: 2,322,058 km (0.089 R)
• M9: 2,855,524 km (0.105 R)
• M10: 3,178,955 km (0.1 R)
• M11: 3,996,208 km (0.1 R)
• M12: 4,542,240 km (0.111 R)
• M13: 4,722,655 km (0.104 R)
• M14: 5,332,416 km (0.06 R)
• M15: 7,779,538 km (0.102 R)
• M16: 10,632,519 km (0.084 R)
• M17: 11,276,538 km (0.039 R)
• M18: 11,742,685 km (0.096 R)
• M19: 11,946,288 km (0.025 R)
• M20: 14,812,732 km (0.075 R)
• M21: 15,533,944 km (0.109 R)
• M22: 17,659,580 km (0.071 R)
• M23: 23,002,917 km (0.083 R)
• M24: 25,866,818 km (0.113 R)
• M25: 26,676,591 km (0.099 R)
• M26: 27,742,476 km (0.063 R)
• M27: 30,085,179 km (0.094 R)
• M28: 32,824,316 km (0.088 R)
• M29: 34,461,964 km (0.114 R)
• M30: 40,159,249 km (0.108 R)
• M31: 40,621,806 km (0.118 R)
• M32: 41,557,690 km (0.116 R)
• M33: 50,815,704 km (0.026 R)
• M34: 52,267,402 km (0.082 R)
• M35: 54,684,754 km (0.116 R)
• M36: 55,634,102 km (0.07 R)
• M37: 65,525,663 km (0.106 R)
• M38: 72,352,861 km (0.036 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: 357 - 12,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit