🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.2

Radius: 10.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.72 AU - 0.74 AU

Year: 438 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 112.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,586,054 km

• M1: 126,859 km (0.12 R)
• M2: 567,126 km (0.069 R)
• M3: 945,159 km (0.088 R)
• M4: 1,312,721 km (0.114 R)
• M5: 1,718,580 km (0.101 R)
• M6: 2,372,173 km (0.072 R)
• M7: 3,028,908 km (0.075 R)
• M8: 3,552,351 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.3

Radius: 12.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.95 AU - 1.21 AU

Year: 789 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,586,054 km

• M1: 151,692 km (0.039 R)
• M2: 1,234,781 km (0.109 R)
• M3: 1,773,333 km (0.072 R)
• M4: 2,367,685 km (0.093 R)
• M5: 2,766,663 km (0.093 R)
• M6: 3,305,215 km (0.088 R)
• M7: 4,309,615 km (0.115 R)
• M8: 4,946,005 km (0.05 R)
• M9: 5,966,113 km (0.096 R)
• M10: 6,713,354 km (0.107 R)
• M11: 7,308,155 km (0.1 R)
• M12: 7,789,412 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.1

Radius: 10.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.06 AU - 1.72 AU

Year: 1152 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,586,054 km

• M1: 125,662 km (0.071 R)
• M2: 474,076 km (0.106 R)
• M3: 818,450 km (0.104 R)
• M4: 1,287,589 km (0.11 R)
• M5: 1,959,882 km (0.093 R)
• M6: 2,301,114 km (0.066 R)
• M7: 2,635,166 km (0.09 R)
• M8: 3,402,753 km (0.109 R)
• M9: 4,771,873 km (0.094 R)
• M10: 5,531,381 km (0.076 R)
• M11: 6,032,833 km (0.079 R)
• M12: 6,477,289 km (0.093 R)
• M13: 7,455,808 km (0.097 R)
• M14: 7,943,198 km (0.119 R)
• M15: 8,608,609 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899

Radius: 14

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.68 AU - 4.2 AU

Year: 5497 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,586,054 km

• M1: 174,132 km (0.069 R)
• M2: 683,213 km (0.098 R)
• M3: 1,120,338 km (0.059 R)
• M4: 1,906,326 km (0.116 R)
• M5: 4,528,328 km (0.104 R)
• M6: 5,600,645 km (0.115 R)
• M7: 6,132,615 km (0.042 R)
• M8: 7,011,503 km (0.072 R)
• M9: 8,853,352 km (0.111 R)
• M10: 9,709,351 km (0.06 R)
• M11: 10,294,727 km (0.096 R)
• M12: 11,636,171 km (0.097 R)
• M13: 12,983,300 km (0.089 R)
• M14: 13,473,233 km (0.111 R)
• M15: 15,801,425 km (0.113 R)
• M16: 25,297,299 km (0.111 R)
• M17: 27,107,583 km (0.075 R)
• M18: 29,002,838 km (0.108 R)
• M19: 32,654,373 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.2

Radius: 11.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.21 AU - 5.21 AU

Year: 7185 Days

Day: 9.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,586,054 km

• M1: 155,731 km (0.089 R)
• M2: 933,491 km (0.103 R)
• M3: 1,367,474 km (0.092 R)
• M4: 2,461,184 km (0.085 R)
• M5: 2,855,674 km (0.1 R)
• M6: 3,233,109 km (0.066 R)
• M7: 3,730,373 km (0.046 R)
• M8: 4,302,584 km (0.119 R)
• M9: 4,932,391 km (0.112 R)
• M10: 5,946,815 km (0.073 R)
• M11: 6,377,058 km (0.083 R)
• M12: 8,615,641 km (0.05 R)
• M13: 9,576,508 km (0.086 R)
• M14: 10,563,106 km (0.102 R)
• M15: 13,299,400 km (0.106 R)
• M16: 14,692,306 km (0.056 R)
• M17: 16,062,174 km (0.114 R)
• M18: 17,515,517 km (0.077 R)
• M19: 19,054,730 km (0.117 R)
• M20: 20,061,374 km (0.051 R)
• M21: 20,473,965 km (0.091 R)
• M22: 21,601,633 km (0.116 R)
• M23: 23,980,688 km (0.058 R)
• M24: 27,110,276 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.9

Radius: 6.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.31 AU - 6.13 AU

Year: 9616 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,586,054 km

• M1: 192,233 km (0.112 R)
• M2: 717,771 km (0.111 R)
• M3: 941,270 km (0.117 R)
• M4: 1,183,170 km (0.035 R)
• M5: 1,391,709 km (0.1 R)
• M6: 2,287,950 km (0.056 R)
• M7: 3,191,521 km (0.116 R)
• M8: 3,702,846 km (0.082 R)
• M9: 6,129,773 km (0.119 R)
• M10: 6,668,624 km (0.074 R)
• M11: 7,206,129 km (0.039 R)
• M12: 7,909,539 km (0.119 R)
• M13: 8,657,678 km (0.058 R)
• M14: 9,258,612 km (0.103 R)
• M15: 11,626,747 km (0.098 R)
• M16: 14,267,747 km (0.104 R)
• M17: 20,764,633 km (0.092 R)
• M18: 21,431,840 km (0.068 R)
• M19: 23,952,564 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.5

Radius: 7

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.98 AU - 7.22 AU

Year: 10590 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,586,054 km

• M1: 87,216 km (0.1 R)
• M2: 335,847 km (0.077 R)
• M3: 643,420 km (0.045 R)
• M4: 863,778 km (0.083 R)
• M5: 1,889,421 km (0.117 R)
• M6: 2,278,226 km (0.086 R)
• M7: 2,532,393 km (0.065 R)
• M8: 2,827,250 km (0.03 R)
• M9: 3,960,903 km (0.117 R)
• M10: 6,263,663 km (0.084 R)
• M11: 7,335,083 km (0.09 R)
• M12: 7,717,904 km (0.107 R)
• M13: 8,024,879 km (0.092 R)
• M14: 9,835,761 km (0.087 R)
• M15: 10,673,808 km (0.108 R)
• M16: 11,787,415 km (0.094 R)
• M17: 12,372,342 km (0.069 R)
• M18: 12,671,987 km (0.117 R)
• M19: 19,487,965 km (0.099 R)
• M20: 20,305,218 km (0.071 R)
• M21: 20,554,897 km (0.095 R)
• M22: 20,806,521 km (0.092 R)
• M23: 22,271,533 km (0.115 R)
• M24: 25,695,529 km (0.068 R)
• M25: 27,583,155 km (0.105 R)
• M26: 27,889,381 km (0.097 R)
• M27: 29,667,951 km (0.092 R)
• M28: 31,743,771 km (0.111 R)
• M29: 34,738,421 km (0.085 R)
• M30: 36,182,040 km (0.05 R)
• M31: 40,226,568 km (0.093 R)
• M32: 42,765,244 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.9

Radius: 3.6

Gravity: 39.58 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.75 AU - 7.19 AU

Year: 12935 Days

Day: 16.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,586,054 km

• M1: 48,021 km (0.051 R)
• M2: 192,532 km (0.119 R)
• M3: 321,486 km (0.103 R)
• M4: 594,502 km (0.092 R)
• M5: 1,016,518 km (0.051 R)
• M6: 1,833,472 km (0.071 R)
• M7: 2,596,720 km (0.054 R)
• M8: 3,398,714 km (0.117 R)
• M9: 4,178,119 km (0.08 R)
• M10: 4,624,968 km (0.101 R)
• M11: 4,972,184 km (0.092 R)
• M12: 5,971,049 km (0.074 R)
• M13: 7,472,713 km (0.082 R)
• M14: 7,774,452 km (0.119 R)
• M15: 9,859,547 km (0.077 R)
• M16: 10,810,391 km (0.029 R)
• M17: 10,974,649 km (0.11 R)
• M18: 11,995,206 km (0.084 R)
• M19: 14,619,003 km (0.038 R)
• M20: 15,022,618 km (0.061 R)
• M21: 15,922,449 km (0.052 R)
• M22: 16,784,432 km (0.12 R)
• M23: 17,152,593 km (0.1 R)
• M24: 20,543,976 km (0.07 R)
• M25: 23,248,706 km (0.056 R)
• M26: 23,890,780 km (0.086 R)
• M27: 30,753,582 km (0.108 R)
• M28: 30,973,192 km (0.04 R)
• M29: 38,058,446 km (0.072 R)
• M30: 40,640,506 km (0.109 R)
• M31: 42,244,644 km (0.041 R)
• M32: 44,029,346 km (0.107 R)
• M33: 48,784,464 km (0.118 R)
• M34: 50,595,047 km (0.111 R)
• M35: 51,362,484 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.9

Radius: 7.9

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.62 AU - 12.44 AU

Year: 22329 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,586,054 km

• M1: 98,286 km (0.105 R)
• M2: 350,807 km (0.058 R)
• M3: 855,550 km (0.115 R)
• M4: 1,197,082 km (0.074 R)
• M5: 1,479,224 km (0.067 R)
• M6: 2,159,744 km (0.119 R)
• M7: 2,630,379 km (0.028 R)
• M8: 3,995,310 km (0.112 R)
• M9: 6,286,701 km (0.096 R)
• M10: 6,551,340 km (0.081 R)
• M11: 8,670,992 km (0.075 R)
• M12: 10,153,955 km (0.108 R)
• M13: 11,404,294 km (0.104 R)
• M14: 12,545,277 km (0.086 R)
• M15: 13,251,080 km (0.101 R)
• M16: 15,447,327 km (0.099 R)
• M17: 16,926,550 km (0.106 R)
• M18: 17,267,633 km (0.064 R)
• M19: 18,768,698 km (0.063 R)
• M20: 24,327,755 km (0.108 R)
• M21: 26,210,744 km (0.093 R)
• M22: 26,552,724 km (0.119 R)
• M23: 34,171,594 km (0.117 R)
• M24: 38,402,671 km (0.029 R)
• M25: 39,437,888 km (0.101 R)
• M26: 51,187,903 km (0.116 R)
• M27: 56,323,748 km (0.065 R)
• M28: 61,390,927 km (0.073 R)
• M29: 66,965,991 km (0.055 R)
• M30: 69,330,834 km (0.053 R)
• M31: 69,985,325 km (0.119 R)
• M32: 73,999,185 km (0.05 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 16,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit