🌌 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: 520.5

Radius: 13

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.53 AU - 0.59 AU

Year: 279 Days

Day: 7.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,750,880 km

• M1: 161,865 km (0.073 R)
• M2: 573,409 km (0.1 R)
• M3: 1,288,486 km (0.109 R)
• M4: 1,805,796 km (0.106 R)
• M5: 2,316,972 km (0.117 R)
• M6: 2,787,457 km (0.108 R)
• M7: 3,311,798 km (0.069 R)
• M8: 3,834,044 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 13.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.5 AU - 0.72 AU

Year: 318 Days

Day: 7.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,750,880 km

• M1: 164,109 km (0.06 R)
• M2: 648,806 km (0.119 R)
• M3: 1,085,333 km (0.098 R)
• M4: 1,569,431 km (0.054 R)
• M5: 2,054,428 km (0.111 R)
• M6: 2,803,165 km (0.107 R)
• M7: 3,345,906 km (0.1 R)
• M8: 3,911,536 km (0.062 R)
• M9: 4,373,793 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 9.6

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.76 AU - 1.2 AU

Year: 647 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,750,880 km

• M1: 119,678 km (0.057 R)
• M2: 498,460 km (0.09 R)
• M3: 833,859 km (0.087 R)
• M4: 1,191,697 km (0.081 R)
• M5: 1,516,623 km (0.1 R)
• M6: 1,992,494 km (0.114 R)
• M7: 2,616,616 km (0.046 R)
• M8: 2,936,008 km (0.115 R)
• M9: 3,526,770 km (0.07 R)
• M10: 3,850,948 km (0.119 R)
• M11: 4,194,874 km (0.043 R)
• M12: 4,680,618 km (0.112 R)
• M13: 6,346,839 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569

Radius: 14.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.24 AU - 3.92 AU

Year: 4517 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,750,880 km

• M1: 180,415 km (0.096 R)
• M2: 648,806 km (0.115 R)
• M3: 1,135,747 km (0.063 R)
• M4: 1,603,240 km (0.106 R)
• M5: 2,063,403 km (0.11 R)
• M6: 2,795,236 km (0.079 R)
• M7: 4,058,441 km (0.09 R)
• M8: 4,539,847 km (0.083 R)
• M9: 6,189,761 km (0.119 R)
• M10: 6,705,575 km (0.078 R)
• M11: 8,247,031 km (0.117 R)
• M12: 9,062,938 km (0.089 R)
• M13: 9,770,087 km (0.115 R)
• M14: 10,345,291 km (0.088 R)
• M15: 11,837,081 km (0.056 R)
• M16: 13,169,849 km (0.114 R)
• M17: 13,669,505 km (0.061 R)
• M18: 15,136,013 km (0.12 R)
• M19: 17,172,788 km (0.046 R)
• M20: 21,993,131 km (0.107 R)
• M21: 23,344,149 km (0.118 R)
• M22: 23,855,624 km (0.079 R)
• M23: 24,524,327 km (0.12 R)

Asteroid Belt

Center: 4.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 13.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.56 AU - 5.5 AU

Year: 7523 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,750,880 km

• M1: 167,998 km (0.106 R)
• M2: 588,069 km (0.044 R)
• M3: 1,079,199 km (0.105 R)
• M4: 1,572,872 km (0.102 R)
• M5: 3,058,678 km (0.096 R)
• M6: 4,180,363 km (0.12 R)
• M7: 5,592,268 km (0.117 R)
• M8: 6,807,900 km (0.096 R)
• M9: 7,419,306 km (0.096 R)
• M10: 10,190,607 km (0.11 R)
• M11: 11,997,899 km (0.064 R)
• M12: 15,385,393 km (0.032 R)
• M13: 16,172,427 km (0.086 R)
• M14: 18,842,450 km (0.09 R)
• M15: 20,438,061 km (0.119 R)
• M16: 23,294,782 km (0.083 R)
• M17: 24,863,166 km (0.119 R)
• M18: 25,947,152 km (0.095 R)
• M19: 27,727,666 km (0.114 R)
• M20: 28,306,610 km (0.099 R)
• M21: 33,231,671 km (0.112 R)
• M22: 34,325,231 km (0.061 R)
• M23: 36,468,819 km (0.083 R)
• M24: 38,223,154 km (0.072 R)
• M25: 38,700,371 km (0.114 R)
• M26: 39,181,478 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.6

Radius: 3.5

Gravity: 34.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.13 AU - 6.95 AU

Year: 11153 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,750,880 km

• M1: 43,533 km (0.093 R)
• M2: 225,893 km (0.108 R)
• M3: 409,150 km (0.083 R)
• M4: 589,266 km (0.108 R)
• M5: 1,044,642 km (0.083 R)
• M6: 1,176,886 km (0.11 R)
• M7: 1,933,403 km (0.11 R)
• M8: 3,055,537 km (0.079 R)
• M9: 3,665,597 km (0.116 R)
• M10: 3,999,349 km (0.105 R)
• M11: 5,060,148 km (0.118 R)
• M12: 5,506,249 km (0.095 R)
• M13: 5,840,600 km (0.104 R)
• M14: 6,188,415 km (0.075 R)
• M15: 6,367,334 km (0.092 R)
• M16: 8,179,563 km (0.074 R)
• M17: 9,018,956 km (0.12 R)
• M18: 9,963,069 km (0.112 R)
• M19: 10,159,491 km (0.093 R)
• M20: 11,934,769 km (0.078 R)
• M21: 13,011,724 km (0.054 R)
• M22: 14,275,526 km (0.104 R)
• M23: 16,219,700 km (0.058 R)
• M24: 20,623,263 km (0.104 R)
• M25: 22,084,984 km (0.077 R)
• M26: 23,182,733 km (0.037 R)
• M27: 24,851,497 km (0.099 R)
• M28: 26,038,557 km (0.057 R)
• M29: 26,317,706 km (0.099 R)
• M30: 31,060,258 km (0.055 R)
• M31: 36,807,060 km (0.091 R)
• M32: 38,950,498 km (0.112 R)
• M33: 39,682,930 km (0.065 R)
• M34: 43,614,511 km (0.098 R)
• M35: 43,745,559 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 6.5

Gravity: 17.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.96 AU - 7.96 AU

Year: 12245 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,750,880 km

• M1: 80,932 km (0.103 R)
• M2: 300,542 km (0.085 R)
• M3: 539,899 km (0.111 R)
• M4: 870,211 km (0.088 R)
• M5: 1,129,165 km (0.101 R)
• M6: 2,572,635 km (0.055 R)
• M7: 5,088,721 km (0.06 R)
• M8: 6,713,952 km (0.084 R)
• M9: 7,126,693 km (0.094 R)
• M10: 8,094,292 km (0.075 R)
• M11: 9,499,764 km (0.104 R)
• M12: 11,812,996 km (0.118 R)
• M13: 12,353,493 km (0.026 R)
• M14: 12,722,850 km (0.096 R)
• M15: 13,163,117 km (0.087 R)
• M16: 13,548,481 km (0.108 R)
• M17: 17,516,415 km (0.098 R)
• M18: 18,697,639 km (0.12 R)
• M19: 20,353,987 km (0.106 R)
• M20: 21,836,801 km (0.096 R)
• M21: 22,376,999 km (0.112 R)
• M22: 22,833,871 km (0.063 R)
• M23: 23,955,705 km (0.093 R)
• M24: 25,508,083 km (0.094 R)
• M25: 27,855,273 km (0.101 R)
• M26: 29,570,712 km (0.107 R)
• M27: 37,265,278 km (0.063 R)
• M28: 38,425,859 km (0.102 R)
• M29: 40,818,976 km (0.099 R)
• M30: 44,880,558 km (0.107 R)
• M31: 48,591,483 km (0.115 R)
• M32: 49,666,044 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.3

Radius: 4.4

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.67 AU - 8.85 AU

Year: 14415 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,750,880 km

• M1: 55,202 km (0.056 R)
• M2: 196,721 km (0.06 R)
• M3: 376,687 km (0.051 R)
• M4: 630,705 km (0.078 R)
• M5: 2,145,383 km (0.106 R)
• M6: 2,370,528 km (0.092 R)
• M7: 9,231,834 km (0.114 R)
• M8: 9,920,882 km (0.065 R)
• M9: 12,032,157 km (0.114 R)
• M10: 15,668,582 km (0.104 R)
• M11: 19,750,509 km (0.062 R)
• M12: 21,516,811 km (0.074 R)
• M13: 24,660,910 km (0.057 R)
• M14: 25,982,009 km (0.104 R)
• M15: 27,722,131 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.6

Radius: 5.2

Gravity: 31.12 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.1 AU - 10.52 AU

Year: 18943 Days

Day: 23.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,750,880 km

• M1: 64,925 km (0.062 R)
• M2: 253,568 km (0.111 R)
• M3: 443,707 km (0.048 R)
• M4: 995,424 km (0.067 R)
• M5: 1,321,398 km (0.059 R)
• M6: 1,733,839 km (0.093 R)
• M7: 2,163,933 km (0.104 R)
• M8: 2,449,815 km (0.118 R)
• M9: 4,442,309 km (0.075 R)
• M10: 4,941,517 km (0.075 R)
• M11: 6,221,775 km (0.088 R)
• M12: 9,360,638 km (0.105 R)
• M13: 10,360,101 km (0.098 R)
• M14: 10,605,143 km (0.047 R)
• M15: 13,417,732 km (0.082 R)
• M16: 15,948,779 km (0.098 R)
• M17: 19,422,292 km (0.091 R)
• M18: 19,701,591 km (0.065 R)
• M19: 25,751,329 km (0.11 R)
• M20: 26,201,319 km (0.063 R)
• M21: 27,465,870 km (0.05 R)
• M22: 29,621,725 km (0.116 R)
• M23: 30,740,866 km (0.057 R)
• M24: 31,502,469 km (0.035 R)
• M25: 36,479,142 km (0.112 R)
• M26: 38,199,218 km (0.072 R)
• M27: 44,322,558 km (0.102 R)
• M28: 44,968,671 km (0.083 R)
• M29: 45,294,047 km (0.118 R)
• M30: 45,457,258 km (0.115 R)
• M31: 46,114,441 km (0.079 R)
• M32: 54,499,851 km (0.085 R)
• M33: 60,819,164 km (0.111 R)
• M34: 63,641,328 km (0.106 R)
• M35: 63,846,277 km (0.093 R)
• M36: 64,463,518 km (0.069 R)
• M37: 66,549,660 km (0.102 R)
• M38: 71,296,849 km (0.025 R)
• M39: 78,362,057 km (0.213 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.3

Radius: 3.7

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.43 AU - 12.23 AU

Year: 23767 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,750,880 km

• M1: 46,076 km (0.096 R)
• M2: 377,136 km (0.12 R)
• M3: 605,423 km (0.12 R)
• M4: 807,829 km (0.117 R)
• M5: 1,679,087 km (0.098 R)
• M6: 5,324,487 km (0.084 R)
• M7: 6,579,015 km (0.039 R)
• M8: 7,879,170 km (0.099 R)
• M9: 8,687,298 km (0.087 R)
• M10: 10,410,815 km (0.12 R)
• M11: 20,354,885 km (0.059 R)
• M12: 23,450,962 km (0.113 R)
• M13: 26,846,684 km (0.105 R)
• M14: 46,207,491 km (0.081 R)
• M15: 52,800,120 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 15,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit