🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.54 AU - 0.68 AU

Year: 308 Days

Day: 22.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 101.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.4

Radius: 10.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.73 AU - 0.91 AU

Year: 479 Days

Day: 12.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,476,338 km

• M1: 130,599 km (0.094 R)
• M2: 457,321 km (0.119 R)
• M3: 826,229 km (0.11 R)
• M4: 1,450,501 km (0.088 R)
• M5: 1,943,725 km (0.038 R)
• M6: 2,315,625 km (0.097 R)
• M7: 3,130,186 km (0.072 R)
• M8: 4,125,610 km (0.114 R)
• M9: 4,482,551 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 11.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.08 AU - 1.1 AU

Year: 735 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,476,338 km

• M1: 140,472 km (0.051 R)
• M2: 596,447 km (0.105 R)
• M3: 1,051,374 km (0.069 R)
• M4: 1,417,141 km (0.07 R)
• M5: 1,791,584 km (0.06 R)
• M6: 2,161,839 km (0.081 R)
• M7: 2,514,591 km (0.106 R)
• M8: 3,533,203 km (0.096 R)
• M9: 4,391,146 km (0.109 R)
• M10: 4,854,152 km (0.103 R)
• M11: 5,739,023 km (0.072 R)
• M12: 6,092,822 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 12.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.35 AU - 1.43 AU

Year: 1058 Days

Day: 9.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,476,338 km

• M1: 151,842 km (0.096 R)
• M2: 604,226 km (0.085 R)
• M3: 985,850 km (0.078 R)
• M4: 1,374,356 km (0.102 R)
• M5: 2,071,931 km (0.104 R)
• M6: 3,205,733 km (0.094 R)
• M7: 5,223,958 km (0.083 R)
• M8: 5,725,260 km (0.095 R)
• M9: 7,070,743 km (0.087 R)
• M10: 7,951,875 km (0.096 R)
• M11: 8,588,563 km (0.118 R)
• M12: 11,830,499 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 10.5

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.04 AU - 2.3 AU

Year: 2064 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,476,338 km

• M1: 130,749 km (0.084 R)
• M2: 509,830 km (0.116 R)
• M3: 902,674 km (0.077 R)
• M4: 1,491,940 km (0.108 R)
• M5: 1,944,922 km (0.074 R)
• M6: 3,000,933 km (0.117 R)
• M7: 3,421,602 km (0.051 R)
• M8: 4,217,463 km (0.041 R)
• M9: 4,616,141 km (0.04 R)
• M10: 5,062,841 km (0.088 R)
• M11: 5,440,875 km (0.111 R)
• M12: 6,606,541 km (0.095 R)
• M13: 6,972,458 km (0.094 R)
• M14: 8,541,141 km (0.065 R)
• M15: 9,567,233 km (0.108 R)
• M16: 10,445,522 km (0.116 R)
• M17: 11,178,402 km (0.067 R)
• M18: 11,537,437 km (0.112 R)
• M19: 13,182,714 km (0.05 R)
• M20: 13,538,607 km (0.109 R)
• M21: 14,503,663 km (0.11 R)
• M22: 15,860,815 km (0.067 R)
• M23: 16,263,682 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.4

Radius: 13.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.1 AU - 2.8 AU

Year: 2476 Days

Day: 11.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,476,338 km

• M1: 163,959 km (0.052 R)
• M2: 715,527 km (0.085 R)
• M3: 1,124,826 km (0.103 R)
• M4: 1,605,335 km (0.119 R)
• M5: 2,941,094 km (0.061 R)
• M6: 3,707,484 km (0.081 R)
• M7: 4,680,917 km (0.043 R)
• M8: 5,312,819 km (0.107 R)
• M9: 6,140,993 km (0.071 R)
• M10: 6,823,608 km (0.109 R)
• M11: 7,502,333 km (0.041 R)
• M12: 9,523,251 km (0.076 R)
• M13: 11,341,314 km (0.077 R)
• M14: 11,921,754 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 10

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.12 AU - 4.38 AU

Year: 5657 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,476,338 km

• M1: 128,654 km (0.117 R)
• M2: 458,817 km (0.104 R)
• M3: 842,984 km (0.085 R)
• M4: 1,263,803 km (0.091 R)
• M5: 1,909,318 km (0.087 R)
• M6: 2,742,727 km (0.087 R)
• M7: 3,179,254 km (0.092 R)
• M8: 4,018,648 km (0.109 R)
• M9: 4,886,166 km (0.096 R)
• M10: 5,230,839 km (0.117 R)
• M11: 5,622,786 km (0.102 R)
• M12: 6,988,913 km (0.099 R)
• M13: 11,328,448 km (0.1 R)
• M14: 12,723,149 km (0.064 R)
• M15: 13,157,582 km (0.089 R)
• M16: 13,884,627 km (0.106 R)
• M17: 14,229,001 km (0.096 R)
• M18: 16,609,104 km (0.078 R)
• M19: 20,179,556 km (0.044 R)
• M20: 23,656,958 km (0.032 R)
• M21: 24,983,892 km (0.106 R)
• M22: 28,610,144 km (0.093 R)
• M23: 29,075,094 km (0.106 R)
• M24: 33,901,869 km (0.042 R)
• M25: 34,213,631 km (0.034 R)
• M26: 35,266,800 km (0.094 R)
• M27: 36,124,744 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 14.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.94 AU - 5.18 AU

Year: 6287 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,476,338 km

• M1: 176,675 km (0.095 R)
• M2: 630,705 km (0.083 R)
• M3: 1,246,749 km (0.088 R)
• M4: 2,023,012 km (0.054 R)
• M5: 3,386,597 km (0.102 R)
• M6: 5,011,379 km (0.116 R)
• M7: 5,563,694 km (0.112 R)
• M8: 6,040,463 km (0.111 R)
• M9: 9,267,588 km (0.116 R)
• M10: 9,779,063 km (0.103 R)
• M11: 11,924,895 km (0.11 R)
• M12: 13,157,282 km (0.061 R)
• M13: 13,905,870 km (0.085 R)
• M14: 14,577,565 km (0.099 R)
• M15: 21,225,694 km (0.097 R)
• M16: 21,771,277 km (0.09 R)
• M17: 22,677,691 km (0.067 R)
• M18: 25,395,735 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.2

Radius: 7.1

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.58 AU - 8.36 AU

Year: 11881 Days

Day: 21.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,476,338 km

• M1: 88,562 km (0.087 R)
• M2: 312,660 km (0.111 R)
• M3: 776,114 km (0.11 R)
• M4: 1,313,170 km (0.102 R)
• M5: 1,550,133 km (0.109 R)
• M6: 2,320,413 km (0.111 R)
• M7: 3,272,603 km (0.092 R)
• M8: 3,606,206 km (0.118 R)
• M9: 3,990,673 km (0.074 R)
• M10: 4,281,790 km (0.104 R)
• M11: 6,336,816 km (0.096 R)
• M12: 6,774,540 km (0.066 R)
• M13: 12,262,238 km (0.119 R)
• M14: 12,629,800 km (0.111 R)
• M15: 12,941,712 km (0.111 R)
• M16: 17,249,682 km (0.098 R)
• M17: 22,244,755 km (0.092 R)
• M18: 24,390,586 km (0.086 R)
• M19: 25,862,031 km (0.116 R)
• M20: 33,398,323 km (0.114 R)
• M21: 33,636,333 km (0.109 R)
• M22: 34,115,495 km (0.12 R)
• M23: 35,704,524 km (0.11 R)
• M24: 37,470,377 km (0.052 R)
• M25: 42,555,358 km (0.047 R)
• M26: 44,539,026 km (0.089 R)
• M27: 46,140,172 km (0.084 R)
• M28: 47,628,820 km (0.117 R)
• M29: 51,807,687 km (0.076 R)
• M30: 52,446,769 km (0.102 R)
• M31: 54,890,600 km (0.117 R)
• M32: 55,554,815 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.4

Radius: 4.5

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.28 AU - 8.42 AU

Year: 15579 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,476,338 km

• M1: 56,249 km (0.109 R)
• M2: 268,079 km (0.109 R)
• M3: 613,501 km (0.05 R)
• M4: 1,665,024 km (0.082 R)
• M5: 2,347,041 km (0.101 R)
• M6: 2,533,739 km (0.068 R)
• M7: 2,710,265 km (0.082 R)
• M8: 3,131,981 km (0.087 R)
• M9: 4,104,666 km (0.078 R)
• M10: 10,117,154 km (0.104 R)
• M11: 10,362,794 km (0.103 R)
• M12: 11,491,959 km (0.057 R)
• M13: 12,700,560 km (0.115 R)
• M14: 18,751,046 km (0.115 R)
• M15: 19,271,796 km (0.053 R)
• M16: 19,422,292 km (0.067 R)
• M17: 24,663,752 km (0.114 R)
• M18: 25,469,037 km (0.037 R)
• M19: 29,161,861 km (0.119 R)
• M20: 34,287,234 km (0.12 R)
• M21: 40,349,538 km (0.049 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 16,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit