🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 9

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.74 AU - 0.78 AU

Year: 457 Days

Day: 6.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,288,112 km

• M1: 112,049 km (0.072 R)
• M2: 407,654 km (0.113 R)
• M3: 690,544 km (0.053 R)
• M4: 1,123,630 km (0.091 R)
• M5: 1,717,234 km (0.059 R)
• M6: 2,047,845 km (0.115 R)
• M7: 2,634,269 km (0.118 R)
• M8: 3,133,178 km (0.043 R)
• M9: 3,532,455 km (0.08 R)
• M10: 4,005,184 km (0.06 R)
• M11: 4,710,687 km (0.116 R)
• M12: 5,546,341 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 11.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.47 AU - 2.07 AU

Year: 1625 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,288,112 km

• M1: 143,016 km (0.085 R)
• M2: 522,695 km (0.097 R)
• M3: 1,010,234 km (0.082 R)
• M4: 1,645,277 km (0.1 R)
• M5: 2,005,958 km (0.053 R)
• M6: 2,545,408 km (0.096 R)
• M7: 3,106,250 km (0.12 R)
• M8: 3,471,867 km (0.12 R)
• M9: 4,163,758 km (0.105 R)
• M10: 4,648,754 km (0.069 R)
• M11: 5,468,550 km (0.085 R)
• M12: 6,239,129 km (0.055 R)
• M13: 7,501,884 km (0.099 R)
• M14: 9,452,042 km (0.111 R)
• M15: 10,029,041 km (0.095 R)
• M16: 10,595,419 km (0.079 R)
• M17: 11,646,942 km (0.053 R)
• M18: 12,882,471 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.5

Radius: 9

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.76 AU - 1.92 AU

Year: 1723 Days

Day: 10 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,288,112 km

• M1: 111,899 km (0.115 R)
• M2: 427,700 km (0.086 R)
• M3: 717,920 km (0.104 R)
• M4: 1,526,347 km (0.044 R)
• M5: 1,824,944 km (0.039 R)
• M6: 2,322,208 km (0.074 R)
• M7: 3,387,943 km (0.12 R)
• M8: 3,884,458 km (0.114 R)
• M9: 4,468,339 km (0.088 R)
• M10: 6,320,809 km (0.066 R)
• M11: 6,729,511 km (0.092 R)
• M12: 7,543,473 km (0.087 R)
• M13: 10,520,171 km (0.099 R)
• M14: 10,841,058 km (0.089 R)
• M15: 11,278,782 km (0.095 R)
• M16: 12,307,267 km (0.035 R)
• M17: 13,149,354 km (0.077 R)
• M18: 13,480,115 km (0.079 R)
• M19: 14,593,571 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 8.4

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.9 AU - 1.92 AU

Year: 1822 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,288,112 km

• M1: 105,167 km (0.117 R)
• M2: 378,632 km (0.03 R)
• M3: 698,024 km (0.101 R)
• M4: 1,112,859 km (0.114 R)
• M5: 1,401,134 km (0.104 R)
• M6: 1,952,103 km (0.079 R)
• M7: 2,324,003 km (0.089 R)
• M8: 2,698,596 km (0.077 R)
• M9: 3,001,681 km (0.098 R)
• M10: 3,587,357 km (0.115 R)
• M11: 4,266,980 km (0.1 R)
• M12: 5,097,248 km (0.088 R)
• M13: 6,236,137 km (0.099 R)
• M14: 6,579,165 km (0.105 R)
• M15: 7,216,900 km (0.111 R)
• M16: 7,684,394 km (0.049 R)
• M17: 9,008,185 km (0.072 R)
• M18: 10,222,322 km (0.083 R)
• M19: 11,502,879 km (0.083 R)
• M20: 12,304,425 km (0.099 R)
• M21: 13,057,052 km (0.079 R)
• M22: 13,795,916 km (0.03 R)
• M23: 14,700,235 km (0.091 R)
• M24: 16,179,459 km (0.053 R)
• M25: 17,184,906 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 11.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.57 AU - 2.37 AU

Year: 1909 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,288,112 km

• M1: 146,756 km (0.061 R)
• M2: 569,519 km (0.105 R)
• M3: 1,009,486 km (0.113 R)
• M4: 2,585,500 km (0.064 R)
• M5: 3,483,835 km (0.077 R)
• M6: 4,687,799 km (0.106 R)
• M7: 5,681,428 km (0.085 R)
• M8: 7,642,357 km (0.073 R)
• M9: 10,265,555 km (0.05 R)
• M10: 10,706,869 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 13.9

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.84 AU - 2.54 AU

Year: 2237 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,288,112 km

• M1: 172,935 km (0.047 R)
• M2: 724,652 km (0.099 R)
• M3: 1,213,089 km (0.105 R)
• M4: 1,734,438 km (0.076 R)
• M5: 2,383,842 km (0.096 R)
• M6: 2,886,790 km (0.036 R)
• M7: 3,593,341 km (0.095 R)
• M8: 4,412,988 km (0.108 R)
• M9: 5,989,300 km (0.058 R)
• M10: 6,582,905 km (0.055 R)
• M11: 7,435,613 km (0.109 R)
• M12: 8,148,596 km (0.076 R)
• M13: 10,564,452 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 10.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.04 AU - 3.12 AU

Year: 3731 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,288,112 km

• M1: 140,921 km (0.112 R)
• M2: 574,905 km (0.101 R)
• M3: 922,271 km (0.098 R)
• M4: 1,347,129 km (0.108 R)
• M5: 1,991,746 km (0.111 R)
• M6: 2,422,887 km (0.082 R)
• M7: 4,346,267 km (0.1 R)
• M8: 5,356,950 km (0.082 R)
• M9: 8,074,844 km (0.074 R)
• M10: 9,069,072 km (0.076 R)
• M11: 10,465,119 km (0.062 R)
• M12: 11,171,969 km (0.076 R)
• M13: 12,178,613 km (0.074 R)
• M14: 13,727,250 km (0.083 R)
• M15: 15,245,519 km (0.101 R)
• M16: 15,991,115 km (0.118 R)
• M17: 20,088,750 km (0.111 R)
• M18: 21,907,561 km (0.111 R)
• M19: 22,311,176 km (0.116 R)
• M20: 23,133,216 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 12.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.13 AU - 5.57 AU

Year: 8542 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,288,112 km

• M1: 150,495 km (0.064 R)
• M2: 551,268 km (0.077 R)
• M3: 1,637,797 km (0.098 R)
• M4: 2,549,746 km (0.117 R)
• M5: 3,070,197 km (0.085 R)
• M6: 3,984,240 km (0.066 R)
• M7: 5,328,227 km (0.117 R)
• M8: 6,850,685 km (0.086 R)
• M9: 9,181,569 km (0.055 R)
• M10: 10,274,681 km (0.1 R)
• M11: 10,876,513 km (0.113 R)
• M12: 11,258,437 km (0.077 R)
• M13: 12,406,600 km (0.099 R)
• M14: 22,187,010 km (0.115 R)
• M15: 25,047,471 km (0.103 R)
• M16: 29,508,778 km (0.099 R)
• M17: 30,441,671 km (0.118 R)
• M18: 31,297,969 km (0.116 R)
• M19: 32,072,587 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 12.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.22 AU - 5.74 AU

Year: 8855 Days

Day: 9.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,288,112 km

• M1: 153,039 km (0.109 R)
• M2: 626,665 km (0.056 R)
• M3: 1,620,893 km (0.102 R)
• M4: 2,464,924 km (0.067 R)
• M5: 3,042,222 km (0.071 R)
• M6: 3,683,100 km (0.114 R)
• M7: 4,131,444 km (0.102 R)
• M8: 4,675,981 km (0.12 R)
• M9: 5,874,409 km (0.082 R)
• M10: 6,678,348 km (0.111 R)
• M11: 7,637,719 km (0.071 R)
• M12: 8,917,080 km (0.061 R)
• M13: 10,232,046 km (0.037 R)
• M14: 10,750,552 km (0.102 R)
• M15: 15,150,524 km (0.087 R)
• M16: 16,031,207 km (0.081 R)
• M17: 17,379,383 km (0.099 R)
• M18: 17,894,748 km (0.094 R)
• M19: 22,914,205 km (0.108 R)
• M20: 23,444,829 km (0.074 R)
• M21: 28,090,740 km (0.115 R)
• M22: 29,006,130 km (0.11 R)
• M23: 30,363,281 km (0.033 R)
• M24: 32,867,400 km (0.091 R)
• M25: 33,429,589 km (0.107 R)
• M26: 38,159,724 km (0.092 R)
• M27: 38,905,769 km (0.096 R)
• M28: 46,485,594 km (0.104 R)
• M29: 46,909,853 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.3

Radius: 4.1

Gravity: 18.28 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.1 AU - 12.4 AU

Year: 22652 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,288,112 km

• M1: 51,013 km (0.059 R)
• M2: 210,035 km (0.066 R)
• M3: 519,853 km (0.085 R)
• M4: 761,752 km (0.112 R)
• M5: 1,323,492 km (0.055 R)
• M6: 1,934,899 km (0.099 R)
• M7: 2,602,853 km (0.098 R)
• M8: 3,075,732 km (0.115 R)
• M9: 3,831,052 km (0.112 R)
• M10: 4,570,813 km (0.066 R)
• M11: 5,328,377 km (0.099 R)
• M12: 5,813,523 km (0.071 R)
• M13: 14,334,169 km (0.116 R)
• M14: 14,904,436 km (0.083 R)
• M15: 16,090,149 km (0.071 R)
• M16: 19,241,278 km (0.111 R)
• M17: 20,199,153 km (0.061 R)
• M18: 24,049,653 km (0.108 R)
• M19: 29,146,303 km (0.06 R)
• M20: 30,641,085 km (0.102 R)
• M21: 33,162,407 km (0.066 R)
• M22: 36,471,213 km (0.111 R)
• M23: 42,852,160 km (0.103 R)
• M24: 45,386,797 km (0.026 R)
• M25: 47,079,048 km (0.115 R)
• M26: 47,234,929 km (0.115 R)
• M27: 47,704,667 km (0.057 R)
• M28: 55,476,276 km (0.118 R)
• M29: 58,482,744 km (0.098 R)
• M30: 61,224,125 km (0.087 R)
• M31: 61,596,026 km (0.073 R)
• M32: 62,720,702 km (0.057 R)
• M33: 62,909,495 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 15,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit