🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.4

Radius: 10.3

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.99 AU - 1.23 AU

Year: 767 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,870,443 km

• M1: 128,056 km (0.09 R)
• M2: 470,784 km (0.059 R)
• M3: 952,340 km (0.091 R)
• M4: 1,324,540 km (0.084 R)
• M5: 1,696,440 km (0.101 R)
• M6: 2,018,973 km (0.089 R)
• M7: 2,418,100 km (0.114 R)
• M8: 3,180,451 km (0.076 R)
• M9: 4,464,000 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 8.2

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.9 AU - 1.5 AU

Year: 862 Days

Day: 8.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,870,443 km

• M1: 102,026 km (0.111 R)
• M2: 571,763 km (0.112 R)
• M3: 973,284 km (0.074 R)
• M4: 1,236,277 km (0.102 R)
• M5: 1,498,971 km (0.105 R)
• M6: 2,664,488 km (0.097 R)
• M7: 2,990,162 km (0.105 R)
• M8: 3,587,507 km (0.113 R)
• M9: 5,636,848 km (0.111 R)
• M10: 6,863,550 km (0.071 R)
• M11: 7,429,928 km (0.099 R)
• M12: 8,104,165 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.8

Radius: 14.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.05 AU - 1.55 AU

Year: 972 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,870,443 km

• M1: 176,825 km (0.107 R)
• M2: 635,043 km (0.046 R)
• M3: 1,335,759 km (0.097 R)
• M4: 1,858,006 km (0.09 R)
• M5: 2,382,346 km (0.043 R)
• M6: 3,151,279 km (0.089 R)
• M7: 4,048,717 km (0.093 R)
• M8: 4,637,085 km (0.039 R)
• M9: 6,285,504 km (0.091 R)
• M10: 8,011,714 km (0.119 R)
• M11: 8,455,720 km (0.105 R)
• M12: 9,138,485 km (0.119 R)
• M13: 9,769,489 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 12.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.2 AU - 1.8 AU

Year: 1205 Days

Day: 9.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,870,443 km

• M1: 151,692 km (0.114 R)
• M2: 583,880 km (0.082 R)
• M3: 1,093,860 km (0.091 R)
• M4: 1,571,526 km (0.084 R)
• M5: 2,446,972 km (0.095 R)
• M6: 2,868,689 km (0.088 R)
• M7: 3,486,977 km (0.105 R)
• M8: 4,057,543 km (0.052 R)
• M9: 4,561,837 km (0.116 R)
• M10: 5,265,995 km (0.111 R)
• M11: 6,085,342 km (0.086 R)
• M12: 6,468,313 km (0.043 R)
• M13: 6,987,866 km (0.117 R)
• M14: 8,004,084 km (0.059 R)
• M15: 9,116,345 km (0.096 R)
• M16: 10,171,758 km (0.07 R)
• M17: 10,551,886 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.2

Radius: 11

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.67 AU - 2.19 AU

Year: 1759 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,870,443 km

• M1: 136,882 km (0.027 R)
• M2: 676,182 km (0.096 R)
• M3: 1,118,394 km (0.08 R)
• M4: 1,733,989 km (0.06 R)
• M5: 2,802,866 km (0.031 R)
• M6: 3,792,156 km (0.101 R)
• M7: 4,508,132 km (0.112 R)
• M8: 5,185,661 km (0.063 R)
• M9: 5,615,156 km (0.09 R)
• M10: 6,161,787 km (0.098 R)
• M11: 6,718,740 km (0.103 R)
• M12: 7,415,118 km (0.082 R)
• M13: 7,989,573 km (0.068 R)
• M14: 9,104,227 km (0.076 R)
• M15: 9,508,441 km (0.095 R)
• M16: 10,120,894 km (0.11 R)
• M17: 10,656,754 km (0.1 R)
• M18: 11,567,955 km (0.097 R)
• M19: 13,346,075 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 13.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.04 AU - 2.42 AU

Year: 2185 Days

Day: 5.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,870,443 km

• M1: 164,707 km (0.066 R)
• M2: 787,633 km (0.095 R)
• M3: 1,349,971 km (0.102 R)
• M4: 1,996,533 km (0.108 R)
• M5: 2,551,092 km (0.113 R)
• M6: 3,281,429 km (0.038 R)
• M7: 3,960,005 km (0.1 R)
• M8: 4,478,362 km (0.101 R)
• M9: 4,892,598 km (0.103 R)
• M10: 6,004,559 km (0.077 R)
• M11: 7,408,535 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 12.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.97 AU - 3.07 AU

Year: 2624 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,870,443 km

• M1: 151,243 km (0.057 R)
• M2: 664,963 km (0.093 R)
• M3: 2,941,693 km (0.115 R)
• M4: 3,445,837 km (0.111 R)
• M5: 3,840,925 km (0.033 R)
• M6: 7,729,872 km (0.102 R)
• M7: 8,300,139 km (0.113 R)
• M8: 11,723,387 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.9

Radius: 8.2

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.32 AU - 6.12 AU

Year: 8974 Days

Day: 11.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,870,443 km

• M1: 102,026 km (0.079 R)
• M2: 435,031 km (0.117 R)
• M3: 910,153 km (0.09 R)
• M4: 2,787,308 km (0.115 R)
• M5: 3,251,061 km (0.103 R)
• M6: 3,538,588 km (0.117 R)
• M7: 3,843,169 km (0.116 R)
• M8: 4,894,394 km (0.111 R)
• M9: 5,470,196 km (0.057 R)
• M10: 5,983,915 km (0.073 R)
• M11: 7,186,981 km (0.109 R)
• M12: 7,511,459 km (0.09 R)
• M13: 7,803,474 km (0.064 R)
• M14: 9,282,997 km (0.056 R)
• M15: 12,495,162 km (0.094 R)
• M16: 12,965,049 km (0.032 R)
• M17: 13,507,641 km (0.076 R)
• M18: 15,094,425 km (0.07 R)
• M19: 15,762,529 km (0.119 R)
• M20: 16,801,636 km (0.081 R)
• M21: 18,862,347 km (0.114 R)
• M22: 20,839,731 km (0.053 R)
• M23: 22,175,491 km (0.083 R)
• M24: 22,604,388 km (0.102 R)
• M25: 23,478,787 km (0.078 R)
• M26: 24,648,942 km (0.12 R)
• M27: 28,191,569 km (0.048 R)
• M28: 36,743,481 km (0.116 R)
• M29: 40,191,862 km (0.091 R)
• M30: 41,215,261 km (0.044 R)
• M31: 41,473,915 km (0.12 R)
• M32: 42,650,951 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.4

Radius: 3.2

Gravity: 35.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.91 AU - 8.35 AU

Year: 13826 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,870,443 km

• M1: 50,115 km (0.103 R)
• M2: 348,862 km (0.083 R)
• M3: 3,113,580 km (0.116 R)
• M4: 3,374,330 km (0.068 R)
• M5: 4,272,216 km (0.05 R)
• M6: 5,587,181 km (0.117 R)
• M7: 6,989,811 km (0.062 R)
• M8: 11,992,214 km (0.054 R)
• M9: 13,722,762 km (0.069 R)
• M10: 15,612,782 km (0.069 R)
• M11: 25,094,594 km (0.083 R)
• M12: 26,231,837 km (0.104 R)
• M13: 31,885,739 km (0.108 R)
• M14: 32,881,911 km (0.084 R)
• M15: 35,757,930 km (0.042 R)
• M16: 40,829,747 km (0.057 R)
• M17: 42,532,769 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.1

Radius: 6.2

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.56 AU - 10.08 AU

Year: 17184 Days

Day: 24.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,870,443 km

• M1: 77,193 km (0.096 R)
• M2: 494,122 km (0.115 R)
• M3: 846,126 km (0.103 R)
• M4: 1,355,207 km (0.094 R)
• M5: 1,818,961 km (0.079 R)
• M6: 2,183,381 km (0.101 R)
• M7: 3,412,926 km (0.092 R)
• M8: 3,628,048 km (0.045 R)
• M9: 3,997,106 km (0.025 R)
• M10: 4,422,263 km (0.116 R)
• M11: 4,978,318 km (0.114 R)
• M12: 6,111,073 km (0.096 R)
• M13: 7,585,510 km (0.119 R)
• M14: 8,575,848 km (0.041 R)
• M15: 8,823,881 km (0.102 R)
• M16: 9,543,895 km (0.1 R)
• M17: 11,755,550 km (0.026 R)
• M18: 14,848,037 km (0.087 R)
• M19: 15,496,544 km (0.063 R)
• M20: 17,082,581 km (0.112 R)
• M21: 18,035,968 km (0.039 R)
• M22: 19,531,797 km (0.082 R)
• M23: 24,019,584 km (0.051 R)
• M24: 24,812,004 km (0.062 R)
• M25: 27,187,468 km (0.107 R)
• M26: 28,705,288 km (0.067 R)
• M27: 29,260,895 km (0.09 R)
• M28: 32,745,478 km (0.042 R)
• M29: 34,213,482 km (0.11 R)
• M30: 35,724,869 km (0.097 R)
• M31: 39,287,094 km (0.071 R)
• M32: 53,695,313 km (0.109 R)
• M33: 54,368,953 km (0.118 R)
• M34: 57,120,357 km (0.099 R)
• M35: 60,506,355 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 19,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit