🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 14.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,777,828 km

• M1: 179,069 km (0.064 R)
• M2: 648,208 km (0.08 R)
• M3: 1,303,745 km (0.097 R)
• M4: 1,762,562 km (0.103 R)
• M5: 2,274,636 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 8.9

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.66 AU - 0.92 AU

Year: 485 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,777,828 km

• M1: 110,702 km (0.118 R)
• M2: 556,803 km (0.045 R)
• M3: 865,872 km (0.118 R)
• M4: 1,304,643 km (0.113 R)
• M5: 1,653,356 km (0.115 R)
• M6: 2,336,569 km (0.109 R)
• M7: 3,463,490 km (0.098 R)
• M8: 3,932,629 km (0.041 R)
• M9: 4,902,322 km (0.093 R)
• M10: 5,258,664 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.1

Radius: 11.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.73 AU - 0.87 AU

Year: 494 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,777,828 km

• M1: 143,016 km (0.056 R)
• M2: 868,116 km (0.114 R)
• M3: 2,285,407 km (0.081 R)
• M4: 2,904,592 km (0.083 R)
• M5: 3,274,249 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 9

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.8 AU - 2.14 AU

Year: 1909 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,777,828 km

• M1: 112,348 km (0.032 R)
• M2: 404,662 km (0.092 R)
• M3: 875,447 km (0.038 R)
• M4: 1,710,203 km (0.1 R)
• M5: 1,992,344 km (0.027 R)
• M6: 2,566,202 km (0.119 R)
• M7: 3,114,179 km (0.061 R)
• M8: 3,574,940 km (0.077 R)
• M9: 4,259,351 km (0.099 R)
• M10: 5,073,761 km (0.111 R)
• M11: 5,787,343 km (0.092 R)
• M12: 6,620,454 km (0.1 R)
• M13: 8,459,012 km (0.056 R)
• M14: 9,322,939 km (0.071 R)
• M15: 10,171,608 km (0.039 R)
• M16: 10,465,717 km (0.104 R)
• M17: 10,765,362 km (0.112 R)
• M18: 11,460,842 km (0.082 R)
• M19: 12,855,693 km (0.085 R)
• M20: 13,243,152 km (0.119 R)
• M21: 16,377,077 km (0.07 R)
• M22: 16,883,765 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 9.7

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.96 AU - 2.1 AU

Year: 1996 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,777,828 km

• M1: 120,875 km (0.094 R)
• M2: 855,550 km (0.111 R)
• M3: 1,591,123 km (0.115 R)
• M4: 1,950,906 km (0.068 R)
• M5: 3,820,430 km (0.066 R)
• M6: 4,227,636 km (0.118 R)
• M7: 5,385,523 km (0.068 R)
• M8: 6,660,546 km (0.057 R)
• M9: 7,108,143 km (0.032 R)
• M10: 10,674,257 km (0.09 R)
• M11: 11,723,686 km (0.076 R)
• M12: 12,377,279 km (0.118 R)
• M13: 14,716,541 km (0.083 R)
• M14: 17,128,208 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.1

Radius: 12.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.02 AU - 3.08 AU

Year: 2811 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,777,828 km

• M1: 154,235 km (0.104 R)
• M2: 543,489 km (0.054 R)
• M3: 993,479 km (0.032 R)
• M4: 1,841,251 km (0.11 R)
• M5: 2,754,546 km (0.079 R)
• M6: 3,342,016 km (0.104 R)
• M7: 4,182,008 km (0.095 R)
• M8: 5,889,070 km (0.1 R)
• M9: 8,502,395 km (0.088 R)
• M10: 8,966,747 km (0.114 R)
• M11: 11,808,957 km (0.088 R)
• M12: 14,640,545 km (0.093 R)
• M13: 18,365,083 km (0.037 R)
• M14: 19,570,693 km (0.095 R)
• M15: 22,543,053 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 12.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.87 AU - 3.83 AU

Year: 4232 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,777,828 km

• M1: 150,495 km (0.032 R)
• M2: 794,664 km (0.108 R)
• M3: 1,329,925 km (0.066 R)
• M4: 2,418,250 km (0.114 R)
• M5: 2,838,171 km (0.062 R)
• M6: 3,592,144 km (0.049 R)
• M7: 5,469,597 km (0.077 R)
• M8: 6,831,536 km (0.055 R)
• M9: 7,821,874 km (0.114 R)
• M10: 9,301,696 km (0.057 R)
• M11: 9,792,677 km (0.077 R)
• M12: 10,387,179 km (0.104 R)
• M13: 11,979,199 km (0.12 R)
• M14: 12,462,699 km (0.076 R)
• M15: 13,059,894 km (0.069 R)
• M16: 14,856,265 km (0.072 R)
• M17: 15,245,818 km (0.092 R)
• M18: 16,932,235 km (0.081 R)
• M19: 26,936,293 km (0.071 R)
• M20: 27,767,160 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.4

Radius: 10.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.93 AU - 3.93 AU

Year: 5378 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,777,828 km

• M1: 128,056 km (0.077 R)
• M2: 454,628 km (0.036 R)
• M3: 1,046,886 km (0.091 R)
• M4: 1,424,770 km (0.111 R)
• M5: 2,072,379 km (0.113 R)
• M6: 3,616,379 km (0.062 R)
• M7: 4,003,837 km (0.097 R)
• M8: 4,418,822 km (0.088 R)
• M9: 6,680,293 km (0.113 R)
• M10: 7,515,348 km (0.058 R)
• M11: 10,128,075 km (0.043 R)
• M12: 10,937,549 km (0.081 R)
• M13: 11,789,808 km (0.086 R)
• M14: 13,088,916 km (0.114 R)
• M15: 14,877,359 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.3

Radius: 15

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.34 AU - 4.96 AU

Year: 5836 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,777,828 km

• M1: 186,549 km (0.074 R)
• M2: 658,829 km (0.094 R)
• M3: 1,187,358 km (0.077 R)
• M4: 2,145,233 km (0.108 R)
• M5: 2,658,953 km (0.088 R)
• M6: 3,359,669 km (0.07 R)
• M7: 3,870,396 km (0.11 R)
• M8: 4,458,765 km (0.119 R)
• M9: 5,543,200 km (0.039 R)
• M10: 6,164,180 km (0.083 R)
• M11: 7,509,813 km (0.063 R)
• M12: 8,154,580 km (0.066 R)
• M13: 8,835,998 km (0.088 R)
• M14: 11,451,567 km (0.072 R)
• M15: 12,102,318 km (0.117 R)
• M16: 13,423,118 km (0.117 R)
• M17: 16,288,216 km (0.069 R)
• M18: 19,050,541 km (0.094 R)
• M19: 19,893,974 km (0.099 R)
• M20: 23,920,700 km (0.034 R)
• M21: 28,461,444 km (0.094 R)
• M22: 29,471,229 km (0.109 R)
• M23: 29,937,975 km (0.114 R)
• M24: 32,743,533 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 14,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit