🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.7

Radius: 9.5

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.41 AU - 2.11 AU

Year: 1584 Days

Day: 14.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,000,889 km

• M1: 118,182 km (0.075 R)
• M2: 431,141 km (0.117 R)
• M3: 877,990 km (0.047 R)
• M4: 1,291,030 km (0.115 R)
• M5: 1,811,032 km (0.116 R)
• M6: 2,114,865 km (0.085 R)
• M7: 3,193,765 km (0.096 R)
• M8: 3,558,634 km (0.111 R)
• M9: 4,058,441 km (0.072 R)
• M10: 4,430,042 km (0.117 R)
• M11: 5,592,716 km (0.092 R)
• M12: 6,896,013 km (0.115 R)
• M13: 8,842,281 km (0.105 R)
• M14: 9,662,526 km (0.097 R)
• M15: 10,361,448 km (0.108 R)
• M16: 11,527,414 km (0.079 R)
• M17: 11,859,970 km (0.066 R)
• M18: 12,583,425 km (0.102 R)
• M19: 13,498,066 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.2

Radius: 14.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.49 AU - 2.29 AU

Year: 1762 Days

Day: 9.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,000,889 km

• M1: 181,612 km (0.118 R)
• M2: 733,179 km (0.116 R)
• M3: 1,952,701 km (0.084 R)
• M4: 2,595,972 km (0.081 R)
• M5: 3,060,174 km (0.086 R)
• M6: 4,334,000 km (0.104 R)
• M7: 5,555,467 km (0.105 R)
• M8: 7,105,600 km (0.082 R)
• M9: 8,673,086 km (0.102 R)
• M10: 12,241,893 km (0.117 R)
• M11: 13,016,810 km (0.045 R)
• M12: 14,800,316 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.5

Radius: 15

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.07 AU - 2.43 AU

Year: 2289 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,000,889 km

• M1: 189,241 km (0.071 R)
• M2: 808,876 km (0.069 R)
• M3: 1,545,645 km (0.09 R)
• M4: 2,591,334 km (0.07 R)
• M5: 3,107,746 km (0.119 R)
• M6: 4,167,946 km (0.052 R)
• M7: 6,789,799 km (0.084 R)
• M8: 7,557,385 km (0.074 R)
• M9: 8,734,421 km (0.12 R)
• M10: 10,030,388 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 14.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.66 AU - 3.66 AU

Year: 3810 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,000,889 km

• M1: 185,950 km (0.113 R)
• M2: 669,899 km (0.037 R)
• M3: 1,377,048 km (0.059 R)
• M4: 2,021,217 km (0.066 R)
• M5: 2,880,956 km (0.116 R)
• M6: 3,416,217 km (0.117 R)
• M7: 4,665,808 km (0.09 R)
• M8: 5,518,366 km (0.099 R)
• M9: 7,103,206 km (0.115 R)
• M10: 7,705,338 km (0.109 R)
• M11: 11,200,093 km (0.082 R)
• M12: 12,729,582 km (0.095 R)
• M13: 13,219,665 km (0.1 R)
• M14: 14,081,498 km (0.118 R)
• M15: 15,693,714 km (0.116 R)
• M16: 16,602,521 km (0.084 R)
• M17: 20,659,017 km (0.105 R)
• M18: 21,405,511 km (0.07 R)
• M19: 23,386,934 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.1

Radius: 9.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.69 AU - 3.97 AU

Year: 4122 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,000,889 km

• M1: 117,135 km (0.109 R)
• M2: 444,006 km (0.116 R)
• M3: 808,576 km (0.11 R)
• M4: 1,209,798 km (0.118 R)
• M5: 1,717,982 km (0.084 R)
• M6: 2,008,950 km (0.069 R)
• M7: 3,052,993 km (0.113 R)
• M8: 3,406,643 km (0.115 R)
• M9: 5,389,862 km (0.06 R)
• M10: 5,993,639 km (0.063 R)
• M11: 7,206,279 km (0.093 R)
• M12: 7,533,450 km (0.09 R)
• M13: 7,904,901 km (0.119 R)
• M14: 8,831,510 km (0.114 R)
• M15: 9,710,099 km (0.095 R)
• M16: 10,899,701 km (0.096 R)
• M17: 11,729,969 km (0.104 R)
• M18: 13,964,512 km (0.12 R)
• M19: 15,102,354 km (0.071 R)
• M20: 17,738,119 km (0.088 R)
• M21: 18,336,061 km (0.12 R)
• M22: 19,635,618 km (0.11 R)
• M23: 21,128,156 km (0.093 R)
• M24: 22,417,091 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 13.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.26 AU - 3.86 AU

Year: 4556 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,000,889 km

• M1: 165,455 km (0.069 R)
• M2: 1,000,511 km (0.115 R)
• M3: 1,673,701 km (0.087 R)
• M4: 3,939,062 km (0.091 R)
• M5: 4,353,896 km (0.105 R)
• M6: 5,465,409 km (0.087 R)
• M7: 8,245,087 km (0.092 R)
• M8: 9,244,550 km (0.041 R)
• M9: 9,815,415 km (0.07 R)
• M10: 13,029,975 km (0.071 R)
• M11: 14,331,326 km (0.058 R)
• M12: 14,820,362 km (0.078 R)
• M13: 16,005,177 km (0.09 R)
• M14: 18,308,087 km (0.11 R)
• M15: 21,593,555 km (0.076 R)
• M16: 23,637,810 km (0.086 R)
• M17: 25,728,291 km (0.077 R)
• M18: 26,532,978 km (0.081 R)
• M19: 28,023,720 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 8.7

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.7 AU - 4.16 AU

Year: 5284 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,000,889 km

• M1: 108,758 km (0.092 R)
• M2: 584,628 km (0.062 R)
• M3: 962,961 km (0.041 R)
• M4: 1,867,879 km (0.105 R)
• M5: 2,486,765 km (0.095 R)
• M6: 2,835,328 km (0.115 R)
• M7: 3,377,920 km (0.059 R)
• M8: 4,568,121 km (0.037 R)
• M9: 5,805,744 km (0.096 R)
• M10: 7,713,266 km (0.045 R)
• M11: 8,967,944 km (0.118 R)
• M12: 11,259,633 km (0.077 R)
• M13: 13,701,968 km (0.084 R)
• M14: 15,188,821 km (0.116 R)
• M15: 15,475,451 km (0.115 R)
• M16: 15,765,820 km (0.088 R)
• M17: 16,297,491 km (0.064 R)
• M18: 18,806,547 km (0.09 R)
• M19: 20,779,144 km (0.11 R)
• M20: 24,734,063 km (0.115 R)
• M21: 27,774,789 km (0.036 R)
• M22: 28,550,454 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.4

Radius: 7

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.02 AU - 7.52 AU

Year: 13295 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,000,889 km

• M1: 87,066 km (0.114 R)
• M2: 382,073 km (0.092 R)
• M3: 780,452 km (0.063 R)
• M4: 1,910,664 km (0.107 R)
• M5: 2,633,072 km (0.114 R)
• M6: 3,524,675 km (0.119 R)
• M7: 4,039,442 km (0.072 R)
• M8: 5,354,557 km (0.046 R)
• M9: 5,886,826 km (0.119 R)
• M10: 7,308,006 km (0.088 R)
• M11: 9,288,681 km (0.09 R)
• M12: 9,744,357 km (0.091 R)
• M13: 10,162,034 km (0.117 R)
• M14: 11,145,041 km (0.111 R)
• M15: 22,284,398 km (0.091 R)
• M16: 24,889,645 km (0.076 R)
• M17: 26,768,744 km (0.11 R)
• M18: 27,176,099 km (0.096 R)
• M19: 40,868,044 km (0.118 R)
• M20: 41,543,927 km (0.092 R)
• M21: 54,041,782 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.3

Radius: 5.7

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.4 AU - 8.96 AU

Year: 17345 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,000,889 km

• M1: 80,334 km (0.086 R)
• M2: 586,723 km (0.053 R)
• M3: 764,445 km (0.117 R)
• M4: 1,259,315 km (0.078 R)
• M5: 1,795,324 km (0.05 R)
• M6: 2,332,829 km (0.074 R)
• M7: 3,064,961 km (0.109 R)
• M8: 3,356,827 km (0.119 R)
• M9: 5,409,160 km (0.072 R)
• M10: 6,170,763 km (0.104 R)
• M11: 6,362,098 km (0.081 R)
• M12: 6,557,473 km (0.03 R)
• M13: 7,125,945 km (0.102 R)
• M14: 10,255,532 km (0.108 R)
• M15: 11,940,304 km (0.082 R)
• M16: 12,540,790 km (0.074 R)
• M17: 27,271,692 km (0.116 R)
• M18: 28,101,062 km (0.113 R)
• M19: 28,311,098 km (0.086 R)
• M20: 36,337,173 km (0.1 R)
• M21: 36,586,403 km (0.108 R)
• M22: 45,756,005 km (0.074 R)
• M23: 46,192,531 km (0.105 R)
• M24: 54,206,040 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.7

Radius: 5.5

Gravity: 28.78 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.21 AU - 11.55 AU

Year: 19485 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,000,889 km

• M1: 68,366 km (0.068 R)
• M2: 532,568 km (0.103 R)
• M3: 918,531 km (0.106 R)
• M4: 1,643,781 km (0.119 R)
• M5: 2,167,374 km (0.064 R)
• M6: 2,598,066 km (0.068 R)
• M7: 4,234,667 km (0.1 R)
• M8: 5,728,402 km (0.11 R)
• M9: 7,946,041 km (0.099 R)
• M10: 8,153,383 km (0.062 R)
• M11: 10,306,844 km (0.067 R)
• M12: 11,382,603 km (0.063 R)
• M13: 12,254,310 km (0.059 R)
• M14: 13,755,075 km (0.047 R)
• M15: 14,821,110 km (0.03 R)
• M16: 23,654,864 km (0.111 R)
• M17: 28,427,335 km (0.069 R)
• M18: 48,725,971 km (0.037 R)
• M19: 56,931,265 km (0.102 R)
• M20: 58,871,699 km (0.068 R)
• M21: 60,655,504 km (0.047 R)
• M22: 69,677,303 km (0.099 R)
• M23: 74,391,132 km (0.217 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 12,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit