🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.3

Radius: 12.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.65 AU - 0.69 AU

Year: 372 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,841,013 km

• M1: 159,172 km (0.047 R)
• M2: 660,624 km (0.062 R)
• M3: 1,096,403 km (0.072 R)
• M4: 1,589,328 km (0.095 R)
• M5: 2,143,737 km (0.108 R)
• M6: 2,836,076 km (0.108 R)
• M7: 3,549,359 km (0.05 R)
• M8: 4,565,727 km (0.111 R)
• M9: 5,221,863 km (0.119 R)
• M10: 5,699,380 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.4

Radius: 9.3

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 10.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,841,013 km

• M1: 115,639 km (0.087 R)
• M2: 440,566 km (0.092 R)
• M3: 788,979 km (0.083 R)
• M4: 1,112,111 km (0.113 R)
• M5: 1,580,202 km (0.078 R)
• M6: 1,948,512 km (0.066 R)
• M7: 2,776,836 km (0.096 R)
• M8: 3,066,756 km (0.091 R)
• M9: 3,436,562 km (0.108 R)
• M10: 4,020,742 km (0.117 R)
• M11: 4,508,281 km (0.105 R)
• M12: 5,208,699 km (0.098 R)
• M13: 5,840,450 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 10.2

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.95 AU

Year: 589 Days

Day: 6.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 114.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,841,013 km

• M1: 127,158 km (0.109 R)
• M2: 535,710 km (0.098 R)
• M3: 931,247 km (0.107 R)
• M4: 1,269,936 km (0.089 R)
• M5: 1,620,444 km (0.107 R)
• M6: 1,994,888 km (0.119 R)
• M7: 2,370,977 km (0.105 R)
• M8: 2,732,405 km (0.096 R)
• M9: 3,326,458 km (0.1 R)
• M10: 3,859,475 km (0.062 R)
• M11: 4,320,387 km (0.116 R)
• M12: 4,682,563 km (0.059 R)
• M13: 5,402,278 km (0.077 R)
• M14: 5,840,750 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 9.2

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.96 AU - 1.28 AU

Year: 804 Days

Day: 13.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,841,013 km

• M1: 115,190 km (0.093 R)
• M2: 490,382 km (0.111 R)
• M3: 968,646 km (0.06 R)
• M4: 1,364,781 km (0.085 R)
• M5: 1,896,003 km (0.109 R)
• M6: 2,677,951 km (0.099 R)
• M7: 3,616,229 km (0.031 R)
• M8: 3,905,252 km (0.072 R)
• M9: 4,209,983 km (0.117 R)
• M10: 4,599,985 km (0.032 R)
• M11: 5,220,816 km (0.115 R)
• M12: 7,277,039 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410

Radius: 15

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.46 AU - 2.1 AU

Year: 1611 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,841,013 km

• M1: 186,549 km (0.078 R)
• M2: 731,234 km (0.111 R)
• M3: 1,324,988 km (0.114 R)
• M4: 1,794,426 km (0.119 R)
• M5: 2,355,119 km (0.069 R)
• M6: 2,832,336 km (0.109 R)
• M7: 3,742,939 km (0.091 R)
• M8: 4,471,480 km (0.109 R)
• M9: 5,374,603 km (0.058 R)
• M10: 8,825,676 km (0.094 R)
• M11: 9,778,166 km (0.064 R)
• M12: 10,407,673 km (0.105 R)
• M13: 11,402,499 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 13

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.44 AU - 4.28 AU

Year: 5144 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,841,013 km

• M1: 161,715 km (0.098 R)
• M2: 1,174,792 km (0.12 R)
• M3: 1,601,296 km (0.093 R)
• M4: 2,076,418 km (0.046 R)
• M5: 2,782,371 km (0.103 R)
• M6: 3,318,679 km (0.101 R)
• M7: 3,770,914 km (0.045 R)
• M8: 4,358,833 km (0.071 R)
• M9: 5,465,558 km (0.086 R)
• M10: 6,312,282 km (0.111 R)
• M11: 6,978,741 km (0.117 R)
• M12: 7,621,563 km (0.105 R)
• M13: 9,666,715 km (0.036 R)
• M14: 11,818,980 km (0.109 R)
• M15: 12,488,580 km (0.104 R)
• M16: 13,183,312 km (0.061 R)
• M17: 14,167,367 km (0.118 R)
• M18: 15,423,391 km (0.08 R)
• M19: 15,934,567 km (0.058 R)
• M20: 17,597,646 km (0.053 R)
• M21: 19,113,073 km (0.103 R)
• M22: 22,474,537 km (0.1 R)
• M23: 26,291,826 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 8.7

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.7 AU - 5.1 AU

Year: 6260 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,841,013 km

• M1: 108,159 km (0.112 R)
• M2: 435,330 km (0.096 R)
• M3: 1,085,333 km (0.109 R)
• M4: 1,419,534 km (0.051 R)
• M5: 1,752,240 km (0.048 R)
• M6: 2,169,020 km (0.104 R)
• M7: 2,559,769 km (0.12 R)
• M8: 3,098,471 km (0.106 R)
• M9: 4,046,323 km (0.078 R)
• M10: 4,349,708 km (0.085 R)
• M11: 5,234,280 km (0.108 R)
• M12: 7,964,740 km (0.072 R)
• M13: 8,362,072 km (0.117 R)
• M14: 9,813,022 km (0.087 R)
• M15: 12,189,235 km (0.08 R)
• M16: 12,504,437 km (0.115 R)
• M17: 12,987,339 km (0.059 R)
• M18: 14,220,175 km (0.073 R)
• M19: 14,984,471 km (0.107 R)
• M20: 15,346,348 km (0.083 R)
• M21: 16,276,398 km (0.108 R)
• M22: 17,842,239 km (0.097 R)
• M23: 19,292,441 km (0.109 R)
• M24: 20,082,766 km (0.063 R)
• M25: 23,299,569 km (0.089 R)
• M26: 25,368,957 km (0.086 R)
• M27: 26,579,951 km (0.031 R)
• M28: 27,021,564 km (0.098 R)
• M29: 28,837,383 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.6

Radius: 5.4

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.28 AU - 7.02 AU

Year: 11631 Days

Day: 21.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,841,013 km

• M1: 73,901 km (0.047 R)
• M2: 275,260 km (0.116 R)
• M3: 503,846 km (0.053 R)
• M4: 1,338,303 km (0.093 R)
• M5: 3,111,935 km (0.116 R)
• M6: 3,306,263 km (0.062 R)
• M7: 4,773,967 km (0.044 R)
• M8: 5,099,193 km (0.039 R)
• M9: 5,473,786 km (0.097 R)
• M10: 6,628,831 km (0.107 R)
• M11: 10,777,629 km (0.047 R)
• M12: 12,093,641 km (0.1 R)
• M13: 17,963,712 km (0.118 R)
• M14: 19,640,555 km (0.066 R)
• M15: 20,900,319 km (0.075 R)
• M16: 21,769,333 km (0.117 R)
• M17: 22,662,432 km (0.103 R)
• M18: 24,047,259 km (0.049 R)
• M19: 27,702,683 km (0.108 R)
• M20: 28,223,433 km (0.049 R)
• M21: 31,825,451 km (0.055 R)
• M22: 37,467,236 km (0.104 R)
• M23: 37,848,411 km (0.031 R)
• M24: 41,531,959 km (0.059 R)
• M25: 44,873,527 km (0.082 R)
• M26: 45,303,471 km (0.082 R)
• M27: 46,026,029 km (0.082 R)
• M28: 50,061,431 km (0.069 R)
• M29: 52,085,939 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 10,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit