🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 13.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.64 AU - 0.98 AU

Year: 494 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,566,761 km

• M1: 172,935 km (0.042 R)
• M2: 642,074 km (0.1 R)
• M3: 1,088,025 km (0.12 R)
• M4: 1,767,948 km (0.095 R)
• M5: 2,608,388 km (0.098 R)
• M6: 3,161,901 km (0.107 R)
• M7: 4,597,891 km (0.113 R)
• M8: 5,564,891 km (0.035 R)
• M9: 6,263,513 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691

Radius: 12.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.96 AU - 1.36 AU

Year: 847 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,566,761 km

• M1: 150,645 km (0.097 R)
• M2: 562,189 km (0.11 R)
• M3: 1,197,830 km (0.098 R)
• M4: 1,685,070 km (0.086 R)
• M5: 2,231,551 km (0.038 R)
• M6: 2,633,072 km (0.117 R)
• M7: 3,134,674 km (0.059 R)
• M8: 3,513,605 km (0.087 R)
• M9: 4,171,387 km (0.114 R)
• M10: 4,614,795 km (0.106 R)
• M11: 5,462,267 km (0.115 R)
• M12: 7,185,784 km (0.091 R)
• M13: 7,972,968 km (0.064 R)
• M14: 8,555,053 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 12.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.47 AU - 2.25 AU

Year: 1721 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,566,761 km

• M1: 154,235 km (0.111 R)
• M2: 569,968 km (0.093 R)
• M3: 1,037,012 km (0.115 R)
• M4: 1,755,082 km (0.053 R)
• M5: 2,334,176 km (0.1 R)
• M6: 3,141,256 km (0.059 R)
• M7: 4,440,214 km (0.12 R)
• M8: 4,931,344 km (0.045 R)
• M9: 5,502,359 km (0.118 R)
• M10: 6,356,114 km (0.068 R)
• M11: 7,954,418 km (0.111 R)
• M12: 8,711,682 km (0.067 R)
• M13: 9,644,425 km (0.067 R)
• M14: 10,268,847 km (0.074 R)
• M15: 10,815,477 km (0.12 R)
• M16: 11,238,091 km (0.102 R)
• M17: 12,534,357 km (0.071 R)
• M18: 13,278,606 km (0.096 R)
• M19: 13,763,602 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.9

Radius: 12.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.01 AU - 2.29 AU

Year: 2138 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,566,761 km

• M1: 153,637 km (0.062 R)
• M2: 562,189 km (0.065 R)
• M3: 1,228,947 km (0.112 R)
• M4: 1,825,393 km (0.108 R)
• M5: 2,263,416 km (0.067 R)
• M6: 2,864,051 km (0.038 R)
• M7: 3,696,863 km (0.087 R)
• M8: 5,229,343 km (0.067 R)
• M9: 6,230,751 km (0.097 R)
• M10: 7,296,636 km (0.051 R)
• M11: 8,093,245 km (0.074 R)
• M12: 9,537,163 km (0.039 R)
• M13: 10,565,798 km (0.096 R)
• M14: 11,707,380 km (0.077 R)
• M15: 13,820,898 km (0.108 R)
• M16: 15,676,211 km (0.118 R)
• M17: 18,678,641 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617

Radius: 8.3

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.74 AU - 4.14 AU

Year: 5304 Days

Day: 6.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,566,761 km

• M1: 104,868 km (0.076 R)
• M2: 461,509 km (0.097 R)
• M3: 986,448 km (0.045 R)
• M4: 1,323,193 km (0.099 R)
• M5: 1,735,934 km (0.087 R)
• M6: 2,232,748 km (0.1 R)
• M7: 2,876,318 km (0.04 R)
• M8: 3,201,993 km (0.101 R)
• M9: 3,859,326 km (0.113 R)
• M10: 5,243,256 km (0.057 R)
• M11: 6,124,387 km (0.113 R)
• M12: 6,567,945 km (0.061 R)
• M13: 9,566,634 km (0.101 R)
• M14: 11,863,261 km (0.12 R)
• M15: 13,637,192 km (0.115 R)
• M16: 16,288,067 km (0.097 R)
• M17: 16,588,908 km (0.086 R)
• M18: 17,326,126 km (0.077 R)
• M19: 19,941,396 km (0.064 R)
• M20: 27,016,478 km (0.026 R)
• M21: 28,905,450 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.1

Radius: 4

Gravity: 50.13 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.62 AU - 6.84 AU

Year: 9303 Days

Day: 17.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,566,761 km

• M1: 49,966 km (0.079 R)
• M2: 218,712 km (0.075 R)
• M3: 458,069 km (0.117 R)
• M4: 642,672 km (0.092 R)
• M5: 819,497 km (0.112 R)
• M6: 1,387,670 km (0.098 R)
• M7: 1,625,830 km (0.096 R)
• M8: 2,007,603 km (0.076 R)
• M9: 2,902,797 km (0.106 R)
• M10: 4,036,001 km (0.118 R)
• M11: 8,816,999 km (0.105 R)
• M12: 11,961,995 km (0.07 R)
• M13: 12,540,042 km (0.101 R)
• M14: 13,380,482 km (0.066 R)
• M15: 14,450,706 km (0.101 R)
• M16: 14,907,428 km (0.058 R)
• M17: 17,191,339 km (0.081 R)
• M18: 19,460,589 km (0.053 R)
• M19: 24,216,305 km (0.108 R)
• M20: 27,451,359 km (0.068 R)
• M21: 29,587,018 km (0.087 R)
• M22: 30,428,805 km (0.114 R)
• M23: 31,721,331 km (0.048 R)
• M24: 32,938,010 km (0.119 R)
• M25: 33,388,001 km (0.047 R)
• M26: 35,111,967 km (0.034 R)
• M27: 36,293,790 km (0.075 R)
• M28: 40,638,710 km (0.103 R)
• M29: 43,136,546 km (0.085 R)
• M30: 46,154,234 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.7

Radius: 6.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.19 AU - 8.79 AU

Year: 13903 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,566,761 km

• M1: 77,193 km (0.095 R)
• M2: 292,613 km (0.041 R)
• M3: 563,535 km (0.058 R)
• M4: 828,174 km (0.117 R)
• M5: 1,123,779 km (0.106 R)
• M6: 2,852,831 km (0.102 R)
• M7: 3,643,606 km (0.091 R)
• M8: 3,993,066 km (0.03 R)
• M9: 5,528,240 km (0.076 R)
• M10: 5,740,669 km (0.061 R)
• M11: 8,733,374 km (0.098 R)
• M12: 13,980,669 km (0.057 R)
• M13: 14,604,791 km (0.111 R)
• M14: 16,904,260 km (0.118 R)
• M15: 22,821,604 km (0.03 R)
• M16: 23,686,280 km (0.1 R)
• M17: 32,277,536 km (0.079 R)
• M18: 33,266,228 km (0.057 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 13,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit