🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 10.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 8.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,426,723 km

• M1: 130,599 km (0.12 R)
• M2: 482,304 km (0.096 R)
• M3: 885,320 km (0.043 R)
• M4: 1,221,616 km (0.114 R)
• M5: 2,039,169 km (0.095 R)
• M6: 2,437,398 km (0.111 R)
• M7: 2,785,961 km (0.056 R)
• M8: 3,434,917 km (0.106 R)
• M9: 3,956,265 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.6

Radius: 14.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.16 AU - 1.68 AU

Year: 1128 Days

Day: 6.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,426,723 km

• M1: 175,329 km (0.091 R)
• M2: 702,362 km (0.066 R)
• M3: 1,148,014 km (0.068 R)
• M4: 1,628,522 km (0.092 R)
• M5: 2,201,482 km (0.103 R)
• M6: 2,789,252 km (0.071 R)
• M7: 3,730,672 km (0.118 R)
• M8: 4,180,064 km (0.098 R)
• M9: 5,290,828 km (0.086 R)
• M10: 6,195,446 km (0.049 R)
• M11: 6,757,186 km (0.114 R)
• M12: 7,795,994 km (0.119 R)
• M13: 8,257,054 km (0.06 R)
• M14: 10,350,677 km (0.077 R)
• M15: 11,076,526 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.6

Radius: 14

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.18 AU - 1.82 AU

Year: 1225 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,426,723 km

• M1: 174,132 km (0.093 R)
• M2: 719,566 km (0.075 R)
• M3: 1,184,815 km (0.06 R)
• M4: 1,677,740 km (0.112 R)
• M5: 2,265,510 km (0.051 R)
• M6: 2,769,805 km (0.087 R)
• M7: 3,349,197 km (0.034 R)
• M8: 4,361,975 km (0.118 R)
• M9: 5,327,779 km (0.106 R)
• M10: 7,257,292 km (0.061 R)
• M11: 8,072,899 km (0.072 R)
• M12: 9,796,417 km (0.103 R)
• M13: 10,255,532 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.1

Radius: 11.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.27 AU - 1.93 AU

Year: 1350 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,426,723 km

• M1: 143,464 km (0.115 R)
• M2: 654,640 km (0.101 R)
• M3: 1,097,300 km (0.03 R)
• M4: 1,553,424 km (0.065 R)
• M5: 2,262,069 km (0.111 R)
• M6: 2,649,378 km (0.111 R)
• M7: 3,230,566 km (0.105 R)
• M8: 5,147,064 km (0.081 R)
• M9: 5,700,277 km (0.055 R)
• M10: 6,249,301 km (0.097 R)
• M11: 8,189,137 km (0.069 R)
• M12: 9,197,127 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.1

Radius: 13.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.2 AU - 2.22 AU

Year: 2191 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,426,723 km

• M1: 164,258 km (0.109 R)
• M2: 703,110 km (0.099 R)
• M3: 1,312,572 km (0.072 R)
• M4: 1,845,140 km (0.113 R)
• M5: 3,218,000 km (0.113 R)
• M6: 3,680,407 km (0.044 R)
• M7: 5,073,163 km (0.038 R)
• M8: 5,581,197 km (0.062 R)
• M9: 6,123,340 km (0.08 R)
• M10: 6,746,116 km (0.038 R)
• M11: 7,559,031 km (0.1 R)
• M12: 8,197,664 km (0.091 R)
• M13: 9,759,466 km (0.12 R)
• M14: 10,393,462 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.9

Radius: 8.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.23 AU - 2.43 AU

Year: 2372 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,426,723 km

• M1: 108,309 km (0.107 R)
• M2: 707,149 km (0.069 R)
• M3: 1,006,644 km (0.09 R)
• M4: 1,376,749 km (0.036 R)
• M5: 1,874,761 km (0.098 R)
• M6: 2,306,949 km (0.052 R)
• M7: 2,791,795 km (0.056 R)
• M8: 3,502,984 km (0.079 R)
• M9: 4,346,865 km (0.114 R)
• M10: 5,183,865 km (0.115 R)
• M11: 7,198,650 km (0.096 R)
• M12: 8,340,231 km (0.033 R)
• M13: 9,539,707 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 8.1

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.23 AU - 2.89 AU

Year: 2731 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,426,723 km

• M1: 100,979 km (0.098 R)
• M2: 414,685 km (0.098 R)
• M3: 731,833 km (0.111 R)
• M4: 1,369,120 km (0.075 R)
• M5: 1,658,292 km (0.044 R)
• M6: 2,306,350 km (0.042 R)
• M7: 2,673,164 km (0.079 R)
• M8: 3,581,074 km (0.103 R)
• M9: 4,054,102 km (0.071 R)
• M10: 4,523,840 km (0.087 R)
• M11: 4,864,474 km (0.084 R)
• M12: 5,173,543 km (0.102 R)
• M13: 5,623,085 km (0.118 R)
• M14: 6,017,425 km (0.107 R)
• M15: 6,773,642 km (0.12 R)
• M16: 8,073,797 km (0.095 R)
• M17: 10,094,116 km (0.061 R)
• M18: 11,531,004 km (0.112 R)
• M19: 12,918,674 km (0.026 R)
• M20: 15,053,585 km (0.08 R)
• M21: 15,711,666 km (0.099 R)
• M22: 17,468,244 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.3

Radius: 11.1

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.67 AU - 3.07 AU

Year: 3242 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,426,723 km

• M1: 138,228 km (0.114 R)
• M2: 497,263 km (0.11 R)
• M3: 1,120,189 km (0.109 R)
• M4: 1,493,585 km (0.1 R)
• M5: 2,193,254 km (0.091 R)
• M6: 2,723,728 km (0.073 R)
• M7: 3,530,510 km (0.11 R)
• M8: 4,582,632 km (0.094 R)
• M9: 4,993,128 km (0.07 R)
• M10: 5,777,470 km (0.118 R)
• M11: 8,237,457 km (0.073 R)
• M12: 8,920,072 km (0.064 R)
• M13: 10,194,796 km (0.118 R)
• M14: 11,719,946 km (0.114 R)
• M15: 12,078,682 km (0.105 R)
• M16: 15,807,409 km (0.069 R)
• M17: 17,261,500 km (0.028 R)
• M18: 19,295,133 km (0.097 R)
• M19: 19,795,987 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.6

Radius: 11.3

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.45 AU - 3.37 AU

Year: 3310 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,426,723 km

• M1: 140,472 km (0.09 R)
• M2: 573,857 km (0.11 R)
• M3: 1,915,601 km (0.111 R)
• M4: 2,357,662 km (0.074 R)
• M5: 2,833,533 km (0.086 R)
• M6: 3,607,553 km (0.088 R)
• M7: 3,980,201 km (0.075 R)
• M8: 4,401,618 km (0.118 R)
• M9: 5,001,506 km (0.08 R)
• M10: 6,074,272 km (0.112 R)
• M11: 6,513,940 km (0.119 R)
• M12: 6,943,436 km (0.114 R)
• M13: 7,690,228 km (0.074 R)
• M14: 8,817,448 km (0.083 R)
• M15: 9,229,441 km (0.111 R)
• M16: 9,891,411 km (0.074 R)
• M17: 11,007,411 km (0.112 R)
• M18: 13,885,824 km (0.083 R)
• M19: 14,290,486 km (0.041 R)
• M20: 17,640,880 km (0.086 R)
• M21: 18,538,767 km (0.112 R)
• M22: 19,091,830 km (0.052 R)
• M23: 22,714,641 km (0.083 R)
• M24: 23,849,042 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.9

Radius: 7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.12 AU - 6.68 AU

Year: 10797 Days

Day: 18.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,426,723 km

• M1: 87,066 km (0.114 R)
• M2: 512,074 km (0.094 R)
• M3: 733,179 km (0.081 R)
• M4: 964,158 km (0.104 R)
• M5: 1,404,874 km (0.08 R)
• M6: 1,796,670 km (0.07 R)
• M7: 2,275,982 km (0.108 R)
• M8: 3,487,575 km (0.099 R)
• M9: 3,957,163 km (0.104 R)
• M10: 4,851,010 km (0.09 R)
• M11: 5,405,869 km (0.11 R)
• M12: 5,873,063 km (0.107 R)
• M13: 6,133,064 km (0.038 R)
• M14: 6,676,254 km (0.098 R)
• M15: 7,067,901 km (0.101 R)
• M16: 10,159,191 km (0.031 R)
• M17: 11,016,686 km (0.051 R)
• M18: 13,093,404 km (0.068 R)
• M19: 15,479,191 km (0.116 R)
• M20: 17,332,110 km (0.103 R)
• M21: 19,185,628 km (0.089 R)
• M22: 20,940,860 km (0.09 R)
• M23: 22,012,579 km (0.107 R)
• M24: 24,431,726 km (0.089 R)
• M25: 29,035,152 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 12,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit