🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 12.1

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.67 AU - 0.69 AU

Year: 394 Days

Day: 14.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,899,856 km

• M1: 150,495 km (0.078 R)
• M2: 611,855 km (0.082 R)
• M3: 1,026,391 km (0.089 R)
• M4: 1,425,668 km (0.086 R)
• M5: 1,843,794 km (0.114 R)
• M6: 2,262,668 km (0.048 R)
• M7: 2,776,536 km (0.119 R)
• M8: 3,238,196 km (0.118 R)
• M9: 3,674,722 km (0.11 R)
• M10: 4,150,443 km (0.119 R)
• M11: 4,727,293 km (0.114 R)
• M12: 5,194,487 km (0.119 R)
• M13: 6,059,911 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.9

Radius: 11.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.6 AU - 0.96 AU

Year: 484 Days

Day: 10 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,899,856 km

• M1: 163,959 km (0.11 R)
• M2: 534,513 km (0.111 R)
• M3: 1,042,996 km (0.086 R)
• M4: 1,716,187 km (0.096 R)
• M5: 2,585,350 km (0.059 R)
• M6: 3,641,960 km (0.078 R)
• M7: 4,017,600 km (0.071 R)
• M8: 4,405,508 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 12.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.11 AU - 1.15 AU

Year: 844 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,899,856 km

• M1: 155,582 km (0.105 R)
• M2: 549,473 km (0.081 R)
• M3: 952,938 km (0.062 R)
• M4: 1,342,790 km (0.106 R)
• M5: 1,887,476 km (0.112 R)
• M6: 2,433,658 km (0.031 R)
• M7: 2,995,099 km (0.104 R)
• M8: 4,479,110 km (0.118 R)
• M9: 5,308,780 km (0.042 R)
• M10: 6,072,776 km (0.093 R)
• M11: 6,535,183 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.4

Radius: 8.1

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.83 AU - 2.07 AU

Year: 1914 Days

Day: 6.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,899,856 km

• M1: 100,679 km (0.072 R)
• M2: 422,315 km (0.098 R)
• M3: 676,930 km (0.102 R)
• M4: 1,271,283 km (0.094 R)
• M5: 1,606,083 km (0.056 R)
• M6: 1,920,238 km (0.109 R)
• M7: 2,351,529 km (0.077 R)
• M8: 3,358,472 km (0.114 R)
• M9: 4,136,082 km (0.082 R)
• M10: 4,526,981 km (0.072 R)
• M11: 4,857,144 km (0.107 R)
• M12: 5,520,012 km (0.116 R)
• M13: 8,259,149 km (0.119 R)
• M14: 9,733,436 km (0.089 R)
• M15: 12,065,517 km (0.065 R)
• M16: 12,905,509 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 14.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.74 AU - 2.78 AU

Year: 2388 Days

Day: 8.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,899,856 km

• M1: 181,612 km (0.052 R)
• M2: 647,310 km (0.075 R)
• M3: 1,234,631 km (0.099 R)
• M4: 1,786,498 km (0.091 R)
• M5: 2,692,762 km (0.074 R)
• M6: 3,717,058 km (0.097 R)
• M7: 6,124,986 km (0.119 R)
• M8: 8,707,045 km (0.116 R)
• M9: 9,222,559 km (0.06 R)
• M10: 9,685,864 km (0.118 R)
• M11: 10,620,701 km (0.068 R)
• M12: 11,290,151 km (0.087 R)
• M13: 11,820,925 km (0.095 R)
• M14: 14,681,984 km (0.094 R)
• M15: 16,119,320 km (0.105 R)
• M16: 18,032,079 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.2

Radius: 9.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.5 AU - 5.16 AU

Year: 7462 Days

Day: 6.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,899,856 km

• M1: 118,182 km (0.091 R)
• M2: 510,877 km (0.098 R)
• M3: 810,671 km (0.109 R)
• M4: 1,150,408 km (0.112 R)
• M5: 1,745,807 km (0.095 R)
• M6: 3,367,448 km (0.117 R)
• M7: 4,346,117 km (0.078 R)
• M8: 6,072,477 km (0.095 R)
• M9: 7,327,154 km (0.114 R)
• M10: 8,094,741 km (0.118 R)
• M11: 12,383,861 km (0.03 R)
• M12: 14,980,282 km (0.089 R)
• M13: 15,466,176 km (0.093 R)
• M14: 23,827,799 km (0.075 R)
• M15: 25,079,784 km (0.062 R)
• M16: 31,408,372 km (0.073 R)
• M17: 33,218,955 km (0.111 R)
• M18: 36,389,532 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516

Radius: 5.6

Gravity: 16.45 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.63 AU - 5.95 AU

Year: 9793 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,899,856 km

• M1: 69,862 km (0.091 R)
• M2: 284,386 km (0.1 R)
• M3: 765,044 km (0.111 R)
• M4: 1,386,323 km (0.106 R)
• M5: 1,612,815 km (0.115 R)
• M6: 1,863,840 km (0.094 R)
• M7: 2,056,372 km (0.1 R)
• M8: 3,555,642 km (0.114 R)
• M9: 4,276,554 km (0.104 R)
• M10: 4,818,547 km (0.047 R)
• M11: 5,599,897 km (0.042 R)
• M12: 6,645,137 km (0.101 R)
• M13: 8,491,325 km (0.106 R)
• M14: 8,666,354 km (0.111 R)
• M15: 17,753,827 km (0.092 R)
• M16: 22,303,397 km (0.112 R)
• M17: 25,885,967 km (0.062 R)
• M18: 28,054,537 km (0.11 R)
• M19: 30,957,783 km (0.083 R)
• M20: 34,720,619 km (0.034 R)
• M21: 35,394,856 km (0.034 R)
• M22: 39,018,266 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.6

Radius: 3.3

Gravity: 48.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.5 AU - 8.52 AU

Year: 15935 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,899,856 km

• M1: 40,990 km (0.102 R)
• M2: 152,291 km (0.071 R)
• M3: 383,719 km (0.094 R)
• M4: 651,648 km (0.1 R)
• M5: 856,747 km (0.118 R)
• M6: 1,769,892 km (0.08 R)
• M7: 1,998,927 km (0.069 R)
• M8: 2,130,274 km (0.076 R)
• M9: 2,537,479 km (0.077 R)
• M10: 2,736,893 km (0.101 R)
• M11: 4,959,319 km (0.114 R)
• M12: 5,781,359 km (0.059 R)
• M13: 6,048,691 km (0.078 R)
• M14: 6,857,716 km (0.106 R)
• M15: 7,920,459 km (0.089 R)
• M16: 9,660,283 km (0.074 R)
• M17: 10,875,167 km (0.097 R)
• M18: 11,106,445 km (0.1 R)
• M19: 11,459,646 km (0.066 R)
• M20: 16,148,941 km (0.078 R)
• M21: 18,011,883 km (0.074 R)
• M22: 18,580,953 km (0.115 R)
• M23: 19,926,885 km (0.083 R)
• M24: 20,888,949 km (0.101 R)
• M25: 21,426,454 km (0.118 R)
• M26: 22,250,140 km (0.108 R)
• M27: 24,351,691 km (0.088 R)
• M28: 28,395,920 km (0.065 R)
• M29: 28,834,391 km (0.098 R)
• M30: 29,950,242 km (0.104 R)
• M31: 32,030,849 km (0.12 R)
• M32: 34,952,047 km (0.104 R)
• M33: 35,203,221 km (0.092 R)
• M34: 37,781,241 km (0.109 R)
• M35: 41,598,082 km (0.085 R)
• M36: 42,021,593 km (0.115 R)
• M37: 42,733,978 km (0.034 R)
• M38: 43,309,631 km (0.091 R)
• M39: 43,744,661 km (0.065 R)
• M40: 47,024,894 km (0.081 R)
• M41: 52,574,975 km (0.084 R)
• M42: 57,491,658 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.1

Radius: 3

Gravity: 20.46 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.39 AU - 8.69 AU

Year: 17543 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,899,856 km

• M1: 54,753 km (0.094 R)
• M2: 391,647 km (0.113 R)
• M3: 628,161 km (0.063 R)
• M4: 2,408,077 km (0.075 R)
• M5: 4,764,692 km (0.099 R)
• M6: 6,692,410 km (0.114 R)
• M7: 9,364,677 km (0.079 R)
• M8: 11,602,811 km (0.083 R)
• M9: 12,728,535 km (0.076 R)
• M10: 18,776,627 km (0.111 R)
• M11: 20,322,422 km (0.118 R)
• M12: 21,535,960 km (0.052 R)
• M13: 25,464,998 km (0.073 R)
• M14: 37,976,317 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596

Radius: 4.3

Gravity: 32.23 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.39 AU - 11.83 AU

Year: 20941 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,899,856 km

• M1: 53,556 km (0.114 R)
• M2: 237,561 km (0.071 R)
• M3: 475,572 km (0.088 R)
• M4: 1,265,598 km (0.039 R)
• M5: 1,478,177 km (0.074 R)
• M6: 1,678,937 km (0.095 R)
• M7: 1,955,543 km (0.1 R)
• M8: 2,995,249 km (0.077 R)
• M9: 3,487,575 km (0.083 R)
• M10: 7,873,934 km (0.099 R)
• M11: 8,486,986 km (0.119 R)
• M12: 8,751,625 km (0.106 R)
• M13: 10,760,724 km (0.116 R)
• M14: 11,070,691 km (0.071 R)
• M15: 11,323,063 km (0.068 R)
• M16: 13,552,969 km (0.115 R)
• M17: 16,545,824 km (0.091 R)
• M18: 18,857,859 km (0.102 R)
• M19: 20,513,458 km (0.116 R)
• M20: 33,299,888 km (0.119 R)
• M21: 35,435,547 km (0.037 R)
• M22: 44,892,227 km (0.093 R)
• M23: 46,670,497 km (0.036 R)
• M24: 50,539,247 km (0.046 R)
• M25: 51,059,249 km (0.074 R)
• M26: 53,174,414 km (0.11 R)
• M27: 54,616,537 km (0.102 R)
• M28: 57,202,635 km (0.056 R)
• M29: 62,418,365 km (0.109 R)
• M30: 73,560,714 km (0.09 R)
• M31: 74,451,719 km (0.055 R)
• M32: 74,675,517 km (0.176 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 20,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit