🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.6

Radius: 13.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.8 AU - 1.08 AU

Year: 618 Days

Day: 5.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,319,095 km

• M1: 166,652 km (0.089 R)
• M2: 891,155 km (0.111 R)
• M3: 1,373,608 km (0.062 R)
• M4: 1,908,420 km (0.106 R)
• M5: 2,725,823 km (0.111 R)
• M6: 3,687,288 km (0.034 R)
• M7: 4,218,510 km (0.088 R)
• M8: 4,974,578 km (0.049 R)
• M9: 6,238,979 km (0.095 R)
• M10: 6,678,947 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 9.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.36 AU - 1.48 AU

Year: 1148 Days

Day: 6.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,319,095 km

• M1: 118,781 km (0.118 R)
• M2: 456,423 km (0.065 R)
• M3: 751,729 km (0.116 R)
• M4: 1,514,529 km (0.106 R)
• M5: 1,884,933 km (0.11 R)
• M6: 2,325,200 km (0.032 R)
• M7: 3,044,616 km (0.111 R)
• M8: 3,525,723 km (0.091 R)
• M9: 3,838,083 km (0.116 R)
• M10: 5,048,779 km (0.082 R)
• M11: 5,992,741 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 13.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.01 AU - 3.37 AU

Year: 3864 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,319,095 km

• M1: 171,589 km (0.062 R)
• M2: 651,648 km (0.08 R)
• M3: 1,621,641 km (0.058 R)
• M4: 2,111,873 km (0.111 R)
• M5: 3,241,038 km (0.077 R)
• M6: 4,052,158 km (0.11 R)
• M7: 4,650,250 km (0.072 R)
• M8: 5,258,216 km (0.031 R)
• M9: 5,787,343 km (0.118 R)
• M10: 7,655,671 km (0.119 R)
• M11: 8,371,048 km (0.096 R)
• M12: 9,381,881 km (0.067 R)
• M13: 9,823,344 km (0.116 R)
• M14: 10,827,595 km (0.087 R)
• M15: 11,562,270 km (0.077 R)
• M16: 12,417,371 km (0.036 R)
• M17: 14,014,628 km (0.102 R)
• M18: 15,086,646 km (0.097 R)
• M19: 16,370,196 km (0.051 R)
• M20: 17,837,003 km (0.108 R)
• M21: 19,154,212 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 13.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.89 AU - 6.17 AU

Year: 8820 Days

Day: 13.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,319,095 km

• M1: 252,521 km (0.11 R)
• M2: 1,416,393 km (0.115 R)
• M3: 2,480,632 km (0.066 R)
• M4: 3,150,082 km (0.117 R)
• M5: 4,675,382 km (0.091 R)
• M6: 7,318,178 km (0.063 R)
• M7: 8,464,996 km (0.108 R)
• M8: 11,471,165 km (0.103 R)
• M9: 12,246,231 km (0.099 R)
• M10: 12,821,136 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.1

Radius: 4.4

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.37 AU - 10.27 AU

Year: 17766 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,319,095 km

• M1: 56,847 km (0.105 R)
• M2: 266,883 km (0.083 R)
• M3: 512,971 km (0.11 R)
• M4: 673,490 km (0.105 R)
• M5: 944,112 km (0.12 R)
• M6: 1,111,213 km (0.106 R)
• M7: 1,270,086 km (0.117 R)
• M8: 2,182,932 km (0.076 R)
• M9: 2,798,228 km (0.086 R)
• M10: 3,384,203 km (0.115 R)
• M11: 3,663,053 km (0.093 R)
• M12: 3,897,174 km (0.079 R)
• M13: 4,362,723 km (0.036 R)
• M14: 5,219,769 km (0.081 R)
• M15: 7,035,438 km (0.065 R)
• M16: 7,536,142 km (0.085 R)
• M17: 9,233,629 km (0.053 R)
• M18: 9,889,018 km (0.035 R)
• M19: 10,989,310 km (0.115 R)
• M20: 11,291,946 km (0.061 R)
• M21: 11,850,545 km (0.068 R)
• M22: 13,567,779 km (0.069 R)
• M23: 13,845,881 km (0.092 R)
• M24: 16,365,708 km (0.034 R)
• M25: 23,365,542 km (0.081 R)
• M26: 23,966,626 km (0.116 R)
• M27: 24,169,331 km (0.09 R)
• M28: 25,095,342 km (0.105 R)
• M29: 27,017,974 km (0.04 R)
• M30: 29,965,201 km (0.098 R)
• M31: 33,245,434 km (0.098 R)
• M32: 34,005,391 km (0.077 R)
• M33: 45,428,685 km (0.034 R)
• M34: 46,994,974 km (0.12 R)
• M35: 47,951,802 km (0.113 R)
• M36: 48,273,587 km (0.108 R)
• M37: 50,400,570 km (0.071 R)
• M38: 51,403,025 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 4.2

Gravity: 27.55 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.65 AU - 12.11 AU

Year: 21063 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,319,095 km

• M1: 52,359 km (0.045 R)
• M2: 202,855 km (0.099 R)
• M3: 356,193 km (0.111 R)
• M4: 799,601 km (0.091 R)
• M5: 1,243,757 km (0.113 R)
• M6: 1,388,268 km (0.1 R)
• M7: 1,746,406 km (0.066 R)
• M8: 1,966,464 km (0.114 R)
• M9: 2,288,099 km (0.09 R)
• M10: 2,934,512 km (0.08 R)
• M11: 4,819,445 km (0.056 R)
• M12: 5,068,974 km (0.113 R)
• M13: 5,594,063 km (0.099 R)
• M14: 5,750,542 km (0.048 R)
• M15: 8,565,525 km (0.043 R)
• M16: 8,721,257 km (0.109 R)
• M17: 10,035,923 km (0.042 R)
• M18: 10,209,007 km (0.057 R)
• M19: 10,442,979 km (0.096 R)
• M20: 10,921,542 km (0.12 R)
• M21: 11,228,068 km (0.111 R)
• M22: 14,104,536 km (0.09 R)
• M23: 20,600,973 km (0.119 R)
• M24: 23,615,520 km (0.078 R)
• M25: 27,133,912 km (0.065 R)
• M26: 27,808,898 km (0.064 R)
• M27: 29,075,693 km (0.09 R)
• M28: 29,427,696 km (0.046 R)
• M29: 31,230,650 km (0.073 R)
• M30: 31,723,575 km (0.109 R)
• M31: 33,876,438 km (0.03 R)
• M32: 34,527,787 km (0.085 R)
• M33: 43,463,118 km (0.045 R)
• M34: 45,009,661 km (0.111 R)
• M35: 51,734,684 km (0.047 R)
• M36: 64,113,459 km (0.117 R)
• M37: 65,309,643 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.2

Radius: 4.1

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 10.19 AU - 11.27 AU

Year: 23839 Days

Day: 21.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,319,095 km

• M1: 51,162 km (0.077 R)
• M2: 192,832 km (0.064 R)
• M3: 426,504 km (0.067 R)
• M4: 683,961 km (0.095 R)
• M5: 2,081,954 km (0.09 R)
• M6: 2,378,157 km (0.053 R)
• M7: 2,525,810 km (0.097 R)
• M8: 2,839,517 km (0.083 R)
• M9: 4,743,150 km (0.117 R)
• M10: 5,011,828 km (0.054 R)
• M11: 6,032,833 km (0.12 R)
• M12: 7,675,268 km (0.078 R)
• M13: 9,074,457 km (0.072 R)
• M14: 10,691,760 km (0.106 R)
• M15: 11,153,568 km (0.095 R)
• M16: 11,330,094 km (0.078 R)
• M17: 15,264,817 km (0.048 R)
• M18: 15,702,241 km (0.029 R)
• M19: 16,602,072 km (0.042 R)
• M20: 19,507,263 km (0.119 R)
• M21: 20,022,329 km (0.097 R)
• M22: 22,265,848 km (0.081 R)
• M23: 22,452,396 km (0.066 R)
• M24: 26,195,186 km (0.07 R)
• M25: 28,431,973 km (0.102 R)
• M26: 31,490,501 km (0.097 R)
• M27: 33,159,415 km (0.027 R)
• M28: 34,886,523 km (0.084 R)
• M29: 48,684,682 km (0.117 R)
• M30: 50,911,746 km (0.115 R)
• M31: 54,886,112 km (0.046 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 20,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit