🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 12.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.26 AU - 1.78 AU

Year: 1250 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,964,281 km

• M1: 156,779 km (0.075 R)
• M2: 839,693 km (0.052 R)
• M3: 1,270,834 km (0.104 R)
• M4: 1,921,136 km (0.117 R)
• M5: 2,432,611 km (0.066 R)
• M6: 2,836,226 km (0.081 R)
• M7: 3,228,172 km (0.072 R)
• M8: 4,702,011 km (0.066 R)
• M9: 5,661,831 km (0.112 R)
• M10: 6,133,513 km (0.1 R)
• M11: 7,082,861 km (0.063 R)
• M12: 7,837,881 km (0.087 R)
• M13: 9,627,670 km (0.057 R)
• M14: 10,301,758 km (0.068 R)
• M15: 10,843,901 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.6

Radius: 14.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.57 AU - 1.63 AU

Year: 1350 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,964,281 km

• M1: 182,809 km (0.095 R)
• M2: 662,419 km (0.117 R)
• M3: 1,180,028 km (0.079 R)
• M4: 2,009,399 km (0.119 R)
• M5: 3,102,510 km (0.099 R)
• M6: 3,620,119 km (0.085 R)
• M7: 4,142,515 km (0.092 R)
• M8: 4,657,580 km (0.093 R)
• M9: 6,113,317 km (0.115 R)
• M10: 6,808,947 km (0.109 R)
• M11: 7,691,275 km (0.04 R)
• M12: 8,915,136 km (0.114 R)
• M13: 9,843,390 km (0.068 R)
• M14: 10,430,712 km (0.074 R)
• M15: 10,937,848 km (0.103 R)
• M16: 11,532,649 km (0.104 R)
• M17: 12,446,543 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.5

Radius: 8.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.35 AU - 3.37 AU

Year: 3225 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,964,281 km

• M1: 109,655 km (0.045 R)
• M2: 522,545 km (0.095 R)
• M3: 1,120,189 km (0.085 R)
• M4: 1,611,169 km (0.118 R)
• M5: 2,363,646 km (0.068 R)
• M6: 2,717,745 km (0.104 R)
• M7: 3,683,548 km (0.11 R)
• M8: 4,415,531 km (0.081 R)
• M9: 4,931,793 km (0.106 R)
• M10: 5,820,255 km (0.063 R)
• M11: 6,667,577 km (0.103 R)
• M12: 7,106,048 km (0.114 R)
• M13: 7,470,618 km (0.085 R)
• M14: 8,436,722 km (0.03 R)
• M15: 9,520,259 km (0.074 R)
• M16: 11,418,207 km (0.081 R)
• M17: 14,355,561 km (0.114 R)
• M18: 14,742,870 km (0.043 R)
• M19: 15,639,560 km (0.085 R)
• M20: 15,997,996 km (0.031 R)
• M21: 17,817,406 km (0.105 R)
• M22: 18,491,194 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 11.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.34 AU - 3.36 AU

Year: 4089 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,964,281 km

• M1: 147,952 km (0.119 R)
• M2: 527,482 km (0.055 R)
• M3: 1,050,476 km (0.076 R)
• M4: 1,504,506 km (0.109 R)
• M5: 1,926,970 km (0.112 R)
• M6: 2,413,762 km (0.083 R)
• M7: 3,165,641 km (0.093 R)
• M8: 4,318,292 km (0.109 R)
• M9: 5,454,638 km (0.1 R)
• M10: 5,903,730 km (0.113 R)
• M11: 6,749,108 km (0.081 R)
• M12: 7,135,519 km (0.051 R)
• M13: 9,452,341 km (0.074 R)
• M14: 10,311,332 km (0.12 R)
• M15: 12,565,772 km (0.112 R)
• M16: 13,706,007 km (0.116 R)
• M17: 16,886,608 km (0.115 R)
• M18: 19,218,988 km (0.117 R)
• M19: 20,196,311 km (0.108 R)
• M20: 21,138,030 km (0.105 R)
• M21: 23,693,909 km (0.103 R)
• M22: 24,439,056 km (0.062 R)
• M23: 25,663,515 km (0.057 R)
• M24: 26,370,065 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 12.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.14 AU - 4.38 AU

Year: 5863 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,964,281 km

• M1: 160,369 km (0.078 R)
• M2: 1,047,783 km (0.117 R)
• M3: 2,108,582 km (0.06 R)
• M4: 2,537,030 km (0.094 R)
• M5: 2,972,510 km (0.071 R)
• M6: 3,573,145 km (0.083 R)
• M7: 6,124,986 km (0.102 R)
• M8: 6,557,024 km (0.074 R)
• M9: 8,250,023 km (0.066 R)
• M10: 9,670,306 km (0.089 R)
• M11: 10,257,926 km (0.095 R)
• M12: 11,333,086 km (0.073 R)
• M13: 12,619,328 km (0.068 R)
• M14: 13,561,496 km (0.093 R)
• M15: 16,231,219 km (0.113 R)
• M16: 16,837,839 km (0.113 R)
• M17: 17,517,013 km (0.09 R)
• M18: 18,273,230 km (0.034 R)
• M19: 18,689,412 km (0.105 R)
• M20: 19,478,989 km (0.115 R)
• M21: 20,995,164 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.8

Radius: 14

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.73 AU - 5.85 AU

Year: 8114 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,964,281 km

• M1: 174,132 km (0.104 R)
• M2: 851,361 km (0.093 R)
• M3: 1,565,542 km (0.086 R)
• M4: 2,469,113 km (0.117 R)
• M5: 3,317,183 km (0.105 R)
• M6: 3,873,538 km (0.097 R)
• M7: 5,691,601 km (0.054 R)
• M8: 6,421,040 km (0.095 R)
• M9: 8,323,476 km (0.105 R)
• M10: 10,425,775 km (0.085 R)
• M11: 13,213,232 km (0.114 R)
• M12: 13,813,119 km (0.115 R)
• M13: 15,656,165 km (0.055 R)
• M14: 18,683,428 km (0.11 R)
• M15: 19,363,350 km (0.097 R)
• M16: 21,014,013 km (0.091 R)
• M17: 23,707,074 km (0.101 R)
• M18: 25,319,290 km (0.084 R)
• M19: 26,339,847 km (0.104 R)
• M20: 27,970,763 km (0.078 R)
• M21: 28,661,456 km (0.114 R)
• M22: 30,283,097 km (0.091 R)
• M23: 35,171,507 km (0.11 R)
• M24: 43,783,258 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.2

Radius: 5.5

Gravity: 18.62 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.43 AU - 7.29 AU

Year: 10696 Days

Day: 17.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,964,281 km

• M1: 69,862 km (0.07 R)
• M2: 319,691 km (0.119 R)
• M3: 540,946 km (0.067 R)
• M4: 2,581,162 km (0.081 R)
• M5: 2,936,756 km (0.117 R)
• M6: 3,396,021 km (0.101 R)
• M7: 4,117,831 km (0.09 R)
• M8: 4,662,966 km (0.062 R)
• M9: 4,844,577 km (0.065 R)
• M10: 5,551,876 km (0.086 R)
• M11: 7,209,421 km (0.064 R)
• M12: 8,128,849 km (0.075 R)
• M13: 11,517,540 km (0.117 R)
• M14: 12,246,979 km (0.087 R)
• M15: 13,673,694 km (0.091 R)
• M16: 14,236,182 km (0.076 R)
• M17: 15,811,448 km (0.107 R)
• M18: 17,138,231 km (0.102 R)
• M19: 17,718,521 km (0.094 R)
• M20: 19,616,170 km (0.037 R)
• M21: 20,331,248 km (0.118 R)
• M22: 21,561,392 km (0.074 R)
• M23: 21,813,314 km (0.115 R)
• M24: 22,494,583 km (0.082 R)
• M25: 23,454,253 km (0.092 R)
• M26: 24,350,195 km (0.051 R)
• M27: 24,806,618 km (0.115 R)
• M28: 27,863,800 km (0.075 R)
• M29: 32,245,073 km (0.109 R)
• M30: 33,128,598 km (0.113 R)
• M31: 36,348,094 km (0.065 R)
• M32: 39,019,313 km (0.09 R)
• M33: 39,393,458 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 20,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit