🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 14.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.46 AU - 0.7 AU

Year: 295 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,463,216 km

• M1: 175,329 km (0.115 R)
• M2: 616,194 km (0.111 R)
• M3: 1,083,837 km (0.082 R)
• M4: 1,545,645 km (0.12 R)
• M5: 2,041,413 km (0.083 R)
• M6: 2,562,911 km (0.109 R)
• M7: 3,289,657 km (0.107 R)
• M8: 4,355,392 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 10.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.43 AU - 1.93 AU

Year: 1452 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,463,216 km

• M1: 129,402 km (0.091 R)
• M2: 641,775 km (0.106 R)
• M3: 1,104,032 km (0.068 R)
• M4: 1,711,250 km (0.095 R)
• M5: 2,086,890 km (0.032 R)
• M6: 2,494,096 km (0.026 R)
• M7: 2,824,408 km (0.039 R)
• M8: 3,310,900 km (0.106 R)
• M9: 3,964,643 km (0.115 R)
• M10: 4,576,348 km (0.083 R)
• M11: 5,308,929 km (0.111 R)
• M12: 5,818,310 km (0.077 R)
• M13: 7,126,543 km (0.07 R)
• M14: 8,242,843 km (0.074 R)
• M15: 8,593,949 km (0.113 R)
• M16: 9,297,358 km (0.085 R)
• M17: 10,755,189 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 10.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.84 AU - 2.26 AU

Year: 1957 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,463,216 km

• M1: 129,402 km (0.091 R)
• M2: 486,492 km (0.102 R)
• M3: 1,084,884 km (0.096 R)
• M4: 1,414,897 km (0.083 R)
• M5: 1,995,636 km (0.116 R)
• M6: 3,451,073 km (0.086 R)
• M7: 4,036,001 km (0.08 R)
• M8: 4,546,578 km (0.082 R)
• M9: 5,560,702 km (0.032 R)
• M10: 6,291,787 km (0.084 R)
• M11: 7,059,224 km (0.097 R)
• M12: 7,945,143 km (0.059 R)
• M13: 9,060,096 km (0.092 R)
• M14: 11,413,420 km (0.053 R)
• M15: 12,127,002 km (0.107 R)
• M16: 12,990,182 km (0.084 R)
• M17: 14,062,649 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.1

Radius: 9.2

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.18 AU - 2.6 AU

Year: 2464 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,463,216 km

• M1: 114,442 km (0.111 R)
• M2: 415,882 km (0.109 R)
• M3: 742,005 km (0.118 R)
• M4: 1,077,853 km (0.101 R)
• M5: 1,440,179 km (0.05 R)
• M6: 1,740,422 km (0.103 R)
• M7: 2,194,302 km (0.076 R)
• M8: 3,374,479 km (0.099 R)
• M9: 3,855,736 km (0.076 R)
• M10: 4,609,858 km (0.106 R)
• M11: 5,089,619 km (0.113 R)
• M12: 5,411,853 km (0.112 R)
• M13: 5,797,067 km (0.114 R)
• M14: 6,174,652 km (0.079 R)
• M15: 6,461,880 km (0.085 R)
• M16: 7,063,413 km (0.116 R)
• M17: 8,346,664 km (0.096 R)
• M18: 8,730,981 km (0.116 R)
• M19: 9,093,606 km (0.11 R)
• M20: 9,673,746 km (0.084 R)
• M21: 10,098,006 km (0.062 R)
• M22: 11,642,155 km (0.077 R)
• M23: 13,165,361 km (0.093 R)
• M24: 13,908,114 km (0.096 R)
• M25: 16,453,073 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.1

Radius: 8.6

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.09 AU - 3.61 AU

Year: 4089 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,463,216 km

• M1: 106,962 km (0.098 R)
• M2: 404,213 km (0.114 R)
• M3: 726,597 km (0.116 R)
• M4: 1,404,425 km (0.11 R)
• M5: 1,896,901 km (0.077 R)
• M6: 2,376,362 km (0.112 R)
• M7: 3,302,223 km (0.06 R)
• M8: 3,889,844 km (0.074 R)
• M9: 4,427,349 km (0.025 R)
• M10: 4,763,196 km (0.113 R)
• M11: 5,622,935 km (0.06 R)
• M12: 6,251,097 km (0.06 R)
• M13: 6,767,957 km (0.104 R)
• M14: 9,512,181 km (0.087 R)
• M15: 10,487,260 km (0.081 R)
• M16: 11,752,558 km (0.07 R)
• M17: 12,258,050 km (0.029 R)
• M18: 13,963,764 km (0.112 R)
• M19: 16,839,185 km (0.06 R)
• M20: 17,899,385 km (0.106 R)
• M21: 18,384,681 km (0.094 R)
• M22: 19,893,076 km (0.11 R)
• M23: 23,011,892 km (0.072 R)
• M24: 25,137,229 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.4

Radius: 3

Gravity: 45.16 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.39 AU - 7.75 AU

Year: 12536 Days

Day: 22.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,463,216 km

• M1: 44,281 km (0.114 R)
• M2: 149,897 km (0.06 R)
• M3: 353,201 km (0.08 R)
• M4: 458,368 km (0.069 R)
• M5: 614,099 km (0.059 R)
• M6: 1,643,482 km (0.05 R)
• M7: 2,184,129 km (0.071 R)
• M8: 2,686,628 km (0.088 R)
• M9: 3,009,460 km (0.119 R)
• M10: 3,215,157 km (0.107 R)
• M11: 4,077,589 km (0.105 R)
• M12: 4,741,804 km (0.08 R)
• M13: 5,083,485 km (0.111 R)
• M14: 5,921,084 km (0.113 R)
• M15: 8,166,548 km (0.087 R)
• M16: 8,839,888 km (0.085 R)
• M17: 9,356,599 km (0.084 R)
• M18: 9,893,206 km (0.096 R)
• M19: 12,245,483 km (0.039 R)
• M20: 13,984,110 km (0.095 R)
• M21: 14,172,902 km (0.067 R)
• M22: 19,776,539 km (0.061 R)
• M23: 20,254,205 km (0.082 R)
• M24: 24,995,261 km (0.085 R)
• M25: 25,553,411 km (0.116 R)
• M26: 27,277,227 km (0.109 R)
• M27: 28,975,163 km (0.106 R)
• M28: 30,530,681 km (0.034 R)
• M29: 30,636,298 km (0.099 R)
• M30: 31,275,230 km (0.069 R)
• M31: 34,146,761 km (0.041 R)
• M32: 39,273,181 km (0.108 R)
• M33: 42,345,772 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.1

Radius: 5.1

Gravity: 32.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.09 AU - 8.61 AU

Year: 16090 Days

Day: 20.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,463,216 km

• M1: 63,429 km (0.089 R)
• M2: 270,473 km (0.118 R)
• M3: 456,124 km (0.103 R)
• M4: 1,029,981 km (0.089 R)
• M5: 1,223,711 km (0.079 R)
• M6: 1,504,057 km (0.073 R)
• M7: 2,493,946 km (0.072 R)
• M8: 3,534,848 km (0.074 R)
• M9: 4,010,270 km (0.088 R)
• M10: 4,199,212 km (0.095 R)
• M11: 4,594,899 km (0.057 R)
• M12: 4,907,708 km (0.104 R)
• M13: 5,891,463 km (0.098 R)
• M14: 7,796,293 km (0.058 R)
• M15: 8,967,196 km (0.039 R)
• M16: 9,734,633 km (0.109 R)
• M17: 9,904,576 km (0.102 R)
• M18: 11,588,300 km (0.101 R)
• M19: 12,299,039 km (0.081 R)
• M20: 14,238,576 km (0.097 R)
• M21: 17,432,789 km (0.044 R)
• M22: 24,349,297 km (0.074 R)
• M23: 27,834,479 km (0.083 R)
• M24: 28,638,867 km (0.087 R)
• M25: 29,695,626 km (0.067 R)
• M26: 34,840,297 km (0.072 R)
• M27: 37,831,207 km (0.025 R)
• M28: 41,879,774 km (0.08 R)
• M29: 48,975,501 km (0.095 R)
• M30: 51,507,893 km (0.065 R)
• M31: 53,243,827 km (0.042 R)
• M32: 59,248,536 km (0.118 R)
• M33: 60,386,676 km (0.075 R)
• M34: 61,539,328 km (0.057 R)
• M35: 64,884,636 km (0.08 R)
• M36: 66,908,096 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.8

Radius: 5.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.01 AU - 12.51 AU

Year: 23537 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,463,216 km

• M1: 68,516 km (0.118 R)
• M2: 253,269 km (0.106 R)
• M3: 670,198 km (0.042 R)
• M4: 1,258,567 km (0.061 R)
• M5: 2,105,590 km (0.045 R)
• M6: 2,958,896 km (0.104 R)
• M7: 3,328,852 km (0.097 R)
• M8: 4,807,477 km (0.076 R)
• M9: 6,298,818 km (0.088 R)
• M10: 7,560,377 km (0.111 R)
• M11: 8,981,707 km (0.101 R)
• M12: 9,955,290 km (0.064 R)
• M13: 12,693,529 km (0.072 R)
• M14: 13,791,129 km (0.1 R)
• M15: 14,427,368 km (0.08 R)
• M16: 14,818,417 km (0.102 R)
• M17: 16,453,671 km (0.113 R)
• M18: 21,648,457 km (0.081 R)
• M19: 24,383,555 km (0.1 R)
• M20: 24,567,561 km (0.111 R)
• M21: 24,752,464 km (0.12 R)
• M22: 28,956,613 km (0.063 R)
• M23: 33,047,366 km (0.092 R)
• M24: 38,370,059 km (0.093 R)
• M25: 41,429,634 km (0.112 R)
• M26: 46,177,123 km (0.07 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 14,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit