🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 8

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 9.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 96.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,199,281 km

• M1: 99,632 km (0.099 R)
• M2: 352,303 km (0.08 R)
• M3: 834,008 km (0.088 R)
• M4: 1,120,338 km (0.118 R)
• M5: 1,767,050 km (0.118 R)
• M6: 2,451,760 km (0.07 R)
• M7: 2,859,414 km (0.095 R)
• M8: 3,252,707 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 10.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.06 AU - 1.6 AU

Year: 1040 Days

Day: 15 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,199,281 km

• M1: 132,993 km (0.117 R)
• M2: 581,936 km (0.106 R)
• M3: 1,023,100 km (0.081 R)
• M4: 1,802,056 km (0.118 R)
• M5: 2,738,239 km (0.103 R)
• M6: 5,154,544 km (0.1 R)
• M7: 5,583,741 km (0.105 R)
• M8: 8,518,552 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.2

Radius: 14.4

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.2 AU - 1.62 AU

Year: 1136 Days

Day: 9.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,199,281 km

• M1: 179,069 km (0.109 R)
• M2: 974,929 km (0.095 R)
• M3: 1,436,289 km (0.116 R)
• M4: 1,956,591 km (0.12 R)
• M5: 2,530,448 km (0.115 R)
• M6: 3,273,800 km (0.063 R)
• M7: 4,263,091 km (0.117 R)
• M8: 4,790,423 km (0.062 R)
• M9: 6,088,334 km (0.081 R)
• M10: 6,759,729 km (0.084 R)
• M11: 7,428,881 km (0.05 R)
• M12: 8,223,993 km (0.115 R)
• M13: 8,727,839 km (0.094 R)
• M14: 10,015,577 km (0.078 R)
• M15: 10,525,856 km (0.076 R)
• M16: 11,154,466 km (0.101 R)
• M17: 11,703,191 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 13.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.3 AU - 2.1 AU

Year: 1503 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,199,281 km

• M1: 165,455 km (0.043 R)
• M2: 782,995 km (0.093 R)
• M3: 1,197,531 km (0.094 R)
• M4: 1,999,525 km (0.077 R)
• M5: 2,746,318 km (0.11 R)
• M6: 3,178,506 km (0.099 R)
• M7: 3,672,329 km (0.089 R)
• M8: 4,464,599 km (0.107 R)
• M9: 6,072,776 km (0.084 R)
• M10: 7,257,292 km (0.119 R)
• M11: 8,120,023 km (0.081 R)
• M12: 9,677,935 km (0.099 R)
• M13: 11,155,513 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370

Radius: 12.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.82 AU - 5.6 AU

Year: 6933 Days

Day: 7 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,199,281 km

• M1: 153,039 km (0.076 R)
• M2: 657,483 km (0.107 R)
• M3: 1,226,553 km (0.107 R)
• M4: 3,133,776 km (0.057 R)
• M5: 5,582,544 km (0.106 R)
• M6: 7,369,191 km (0.093 R)
• M7: 8,663,811 km (0.104 R)
• M8: 9,303,940 km (0.065 R)
• M9: 18,970,356 km (0.069 R)
• M10: 19,981,788 km (0.077 R)
• M11: 20,958,063 km (0.063 R)
• M12: 22,854,964 km (0.073 R)
• M13: 23,767,960 km (0.058 R)
• M14: 25,666,806 km (0.112 R)
• M15: 30,215,030 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.4

Radius: 4.1

Gravity: 33.69 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.27 AU - 6.59 AU

Year: 9794 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 95.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,199,281 km

• M1: 51,013 km (0.106 R)
• M2: 239,357 km (0.073 R)
• M3: 913,744 km (0.049 R)
• M4: 1,918,742 km (0.044 R)
• M5: 2,067,443 km (0.029 R)
• M6: 2,824,109 km (0.079 R)
• M7: 3,574,641 km (0.118 R)
• M8: 5,524,649 km (0.106 R)
• M9: 5,724,961 km (0.026 R)
• M10: 6,391,120 km (0.117 R)
• M11: 6,875,817 km (0.077 R)
• M12: 8,172,532 km (0.075 R)
• M13: 9,060,993 km (0.078 R)
• M14: 13,143,370 km (0.118 R)
• M15: 13,620,737 km (0.114 R)
• M16: 13,802,797 km (0.093 R)
• M17: 18,450,653 km (0.07 R)
• M18: 20,048,658 km (0.06 R)
• M19: 24,220,045 km (0.097 R)
• M20: 24,398,066 km (0.043 R)
• M21: 24,937,067 km (0.097 R)
• M22: 26,225,554 km (0.115 R)
• M23: 27,461,232 km (0.065 R)
• M24: 28,536,691 km (0.052 R)
• M25: 32,037,880 km (0.098 R)
• M26: 35,814,777 km (0.096 R)
• M27: 41,002,532 km (0.12 R)
• M28: 42,405,760 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.2

Radius: 5.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.76 AU - 6.86 AU

Year: 12053 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,199,281 km

• M1: 70,909 km (0.027 R)
• M2: 258,655 km (0.1 R)
• M3: 1,062,893 km (0.1 R)
• M4: 1,622,987 km (0.051 R)
• M5: 1,961,228 km (0.101 R)
• M6: 2,427,973 km (0.118 R)
• M7: 3,345,756 km (0.081 R)
• M8: 3,623,859 km (0.066 R)
• M9: 5,168,008 km (0.106 R)
• M10: 6,084,594 km (0.109 R)
• M11: 6,532,341 km (0.092 R)
• M12: 7,895,177 km (0.083 R)
• M13: 10,346,189 km (0.119 R)
• M14: 12,037,243 km (0.104 R)
• M15: 12,386,255 km (0.093 R)
• M16: 12,690,836 km (0.067 R)
• M17: 14,068,333 km (0.116 R)
• M18: 16,806,124 km (0.105 R)
• M19: 17,242,202 km (0.091 R)
• M20: 20,649,443 km (0.056 R)
• M21: 22,025,743 km (0.076 R)
• M22: 22,774,181 km (0.119 R)
• M23: 24,799,138 km (0.086 R)
• M24: 26,772,185 km (0.072 R)
• M25: 27,624,294 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.4

Radius: 7.8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.21 AU - 7.83 AU

Year: 12615 Days

Day: 21.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,199,281 km

• M1: 97,089 km (0.058 R)
• M2: 341,981 km (0.111 R)
• M3: 605,722 km (0.101 R)
• M4: 1,290,730 km (0.096 R)
• M5: 1,649,466 km (0.095 R)
• M6: 2,006,407 km (0.101 R)
• M7: 2,321,161 km (0.113 R)
• M8: 2,855,225 km (0.086 R)
• M9: 3,117,769 km (0.069 R)
• M10: 3,372,684 km (0.102 R)
• M11: 5,080,344 km (0.091 R)
• M12: 5,534,074 km (0.097 R)
• M13: 6,014,582 km (0.102 R)
• M14: 6,672,963 km (0.067 R)
• M15: 7,177,556 km (0.084 R)
• M16: 8,663,063 km (0.025 R)
• M17: 9,842,493 km (0.119 R)
• M18: 10,342,898 km (0.088 R)
• M19: 13,163,715 km (0.092 R)
• M20: 14,717,738 km (0.119 R)
• M21: 15,774,198 km (0.096 R)
• M22: 16,321,128 km (0.076 R)
• M23: 19,092,578 km (0.05 R)
• M24: 19,479,288 km (0.053 R)
• M25: 21,242,598 km (0.1 R)
• M26: 24,991,820 km (0.106 R)
• M27: 36,423,192 km (0.051 R)
• M28: 40,089,985 km (0.045 R)
• M29: 42,142,618 km (0.064 R)
• M30: 42,666,659 km (0.094 R)
• M31: 45,763,784 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551

Radius: 5.4

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.2 AU - 8.5 AU

Year: 14917 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 130.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,199,281 km

• M1: 67,169 km (0.102 R)
• M2: 465,848 km (0.11 R)
• M3: 636,838 km (0.07 R)
• M4: 932,593 km (0.113 R)
• M5: 1,652,458 km (0.119 R)
• M6: 1,918,892 km (0.11 R)
• M7: 2,175,303 km (0.096 R)
• M8: 2,712,060 km (0.113 R)
• M9: 2,964,282 km (0.107 R)
• M10: 3,957,612 km (0.08 R)
• M11: 4,561,239 km (0.091 R)
• M12: 6,376,310 km (0.103 R)
• M13: 7,203,586 km (0.093 R)
• M14: 8,819,991 km (0.064 R)
• M15: 9,018,956 km (0.048 R)
• M16: 12,006,276 km (0.108 R)
• M17: 12,250,719 km (0.086 R)
• M18: 17,317,300 km (0.032 R)
• M19: 24,591,646 km (0.057 R)
• M20: 28,187,829 km (0.11 R)
• M21: 28,837,533 km (0.111 R)
• M22: 29,386,557 km (0.111 R)
• M23: 30,166,859 km (0.059 R)
• M24: 32,002,276 km (0.04 R)
• M25: 34,522,252 km (0.082 R)
• M26: 39,011,086 km (0.034 R)
• M27: 50,381,870 km (0.108 R)
• M28: 54,780,646 km (0.067 R)
• M29: 55,453,388 km (0.077 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: 250 - 16,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit