🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.2

Radius: 11.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.69 AU - 1.01 AU

Year: 532 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,975,748 km

• M1: 141,819 km (0.075 R)
• M2: 511,625 km (0.12 R)
• M3: 966,851 km (0.087 R)
• M4: 1,378,245 km (0.113 R)
• M5: 1,791,883 km (0.114 R)
• M6: 3,516,448 km (0.062 R)
• M7: 4,120,673 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 13.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.9 AU - 0.96 AU

Year: 608 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,975,748 km

• M1: 169,195 km (0.088 R)
• M2: 636,539 km (0.116 R)
• M3: 1,232,836 km (0.109 R)
• M4: 1,820,456 km (0.057 R)
• M5: 2,332,979 km (0.094 R)
• M6: 3,184,041 km (0.035 R)
• M7: 4,157,923 km (0.077 R)
• M8: 4,723,254 km (0.093 R)
• M9: 5,303,993 km (0.103 R)
• M10: 5,761,164 km (0.103 R)
• M11: 6,244,664 km (0.118 R)
• M12: 7,337,925 km (0.101 R)
• M13: 7,860,620 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 14.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1 AU - 1.18 AU

Year: 772 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,975,748 km

• M1: 183,108 km (0.097 R)
• M2: 658,231 km (0.071 R)
• M3: 1,176,438 km (0.1 R)
• M4: 2,061,459 km (0.072 R)
• M5: 3,085,306 km (0.098 R)
• M6: 3,649,141 km (0.115 R)
• M7: 4,218,211 km (0.08 R)
• M8: 5,111,460 km (0.095 R)
• M9: 5,827,136 km (0.099 R)
• M10: 6,587,393 km (0.118 R)
• M11: 7,092,734 km (0.113 R)
• M12: 8,407,700 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.3

Radius: 12.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.98 AU - 1.2 AU

Year: 772 Days

Day: 10.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,975,748 km

• M1: 150,645 km (0.063 R)
• M2: 635,791 km (0.11 R)
• M3: 1,363,884 km (0.049 R)
• M4: 2,201,333 km (0.074 R)
• M5: 3,244,479 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 8.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.54 AU - 4.32 AU

Year: 5284 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,975,748 km

• M1: 105,766 km (0.105 R)
• M2: 801,097 km (0.116 R)
• M3: 1,161,478 km (0.119 R)
• M4: 1,463,815 km (0.109 R)
• M5: 1,733,989 km (0.085 R)
• M6: 2,064,750 km (0.062 R)
• M7: 2,888,585 km (0.074 R)
• M8: 3,874,136 km (0.108 R)
• M9: 4,559,743 km (0.114 R)
• M10: 5,043,543 km (0.093 R)
• M11: 5,972,097 km (0.11 R)
• M12: 11,973,963 km (0.114 R)
• M13: 13,227,893 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 8.2

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.26 AU - 6.16 AU

Year: 8066 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 101.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,975,748 km

• M1: 103,671 km (0.117 R)
• M2: 359,932 km (0.092 R)
• M3: 620,233 km (0.058 R)
• M4: 1,814,772 km (0.094 R)
• M5: 2,805,708 km (0.053 R)
• M6: 3,128,241 km (0.109 R)
• M7: 5,520,311 km (0.092 R)
• M8: 5,931,406 km (0.065 R)
• M9: 7,250,560 km (0.102 R)
• M10: 23,078,613 km (0.112 R)
• M11: 29,879,482 km (0.114 R)
• M12: 32,855,133 km (0.118 R)
• M13: 34,838,651 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 10.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.54 AU - 5.66 AU

Year: 8988 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,975,748 km

• M1: 126,859 km (0.105 R)
• M2: 510,428 km (0.077 R)
• M3: 1,007,392 km (0.102 R)
• M4: 1,976,337 km (0.091 R)
• M5: 2,784,615 km (0.081 R)
• M6: 4,047,819 km (0.075 R)
• M7: 5,401,680 km (0.076 R)
• M8: 7,588,352 km (0.105 R)
• M9: 8,169,540 km (0.084 R)
• M10: 8,509,426 km (0.088 R)
• M11: 9,257,864 km (0.097 R)
• M12: 9,836,958 km (0.114 R)
• M13: 11,205,479 km (0.114 R)
• M14: 12,596,739 km (0.087 R)
• M15: 14,755,586 km (0.082 R)
• M16: 15,488,765 km (0.062 R)
• M17: 16,484,040 km (0.092 R)
• M18: 18,279,364 km (0.065 R)
• M19: 20,201,397 km (0.119 R)
• M20: 21,034,807 km (0.11 R)
• M21: 21,388,756 km (0.087 R)
• M22: 22,035,916 km (0.086 R)
• M23: 27,355,018 km (0.086 R)
• M24: 28,547,313 km (0.116 R)
• M25: 29,156,176 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.3

Radius: 3.4

Gravity: 33.94 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.07 AU - 7.39 AU

Year: 10547 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,975,748 km

• M1: 48,470 km (0.025 R)
• M2: 220,657 km (0.078 R)
• M3: 362,176 km (0.113 R)
• M4: 917,933 km (0.114 R)
• M5: 1,257,819 km (0.116 R)
• M6: 1,417,889 km (0.071 R)
• M7: 2,338,963 km (0.091 R)
• M8: 2,620,356 km (0.102 R)
• M9: 3,227,574 km (0.118 R)
• M10: 3,457,207 km (0.038 R)
• M11: 9,256,967 km (0.086 R)
• M12: 15,102,503 km (0.051 R)
• M13: 18,633,163 km (0.119 R)
• M14: 20,279,188 km (0.076 R)
• M15: 21,535,511 km (0.111 R)
• M16: 25,613,998 km (0.025 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.1

Radius: 7.4

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.85 AU - 9.11 AU

Year: 18252 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,975,748 km

• M1: 94,396 km (0.09 R)
• M2: 348,413 km (0.057 R)
• M3: 872,754 km (0.093 R)
• M4: 1,208,452 km (0.099 R)
• M5: 1,760,917 km (0.079 R)
• M6: 2,028,697 km (0.08 R)
• M7: 3,025,019 km (0.115 R)
• M8: 3,465,584 km (0.07 R)
• M9: 3,918,567 km (0.101 R)
• M10: 4,378,580 km (0.03 R)
• M11: 6,927,728 km (0.053 R)
• M12: 7,693,220 km (0.092 R)
• M13: 9,660,881 km (0.068 R)
• M14: 10,158,593 km (0.096 R)
• M15: 11,692,719 km (0.084 R)
• M16: 14,133,408 km (0.105 R)
• M17: 14,992,848 km (0.113 R)
• M18: 16,346,709 km (0.047 R)
• M19: 17,944,414 km (0.054 R)
• M20: 21,914,891 km (0.088 R)
• M21: 22,677,092 km (0.04 R)
• M22: 24,053,542 km (0.097 R)
• M23: 26,221,216 km (0.063 R)
• M24: 31,538,074 km (0.109 R)
• M25: 33,751,224 km (0.025 R)
• M26: 41,584,169 km (0.097 R)
• M27: 44,694,907 km (0.072 R)
• M28: 49,079,022 km (0.082 R)
• M29: 50,054,400 km (0.076 R)
• M30: 52,549,244 km (0.118 R)
• M31: 58,146,448 km (0.093 R)
• M32: 59,055,405 km (0.049 R)
• M33: 62,406,248 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.1

Radius: 4.8

Gravity: 41.15 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.54 AU - 11.04 AU

Year: 20776 Days

Day: 22.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,975,748 km

• M1: 67,618 km (0.078 R)
• M2: 324,627 km (0.108 R)
• M3: 601,084 km (0.08 R)
• M4: 997,818 km (0.084 R)
• M5: 2,135,958 km (0.111 R)
• M6: 2,501,576 km (0.066 R)
• M7: 2,854,627 km (0.077 R)
• M8: 3,722,743 km (0.073 R)
• M9: 4,320,985 km (0.05 R)
• M10: 4,570,215 km (0.061 R)
• M11: 6,545,206 km (0.093 R)
• M12: 8,575,100 km (0.047 R)
• M13: 11,055,133 km (0.101 R)
• M14: 11,793,847 km (0.114 R)
• M15: 12,926,453 km (0.117 R)
• M16: 13,220,413 km (0.095 R)
• M17: 14,838,164 km (0.058 R)
• M18: 15,903,151 km (0.07 R)
• M19: 16,669,541 km (0.116 R)
• M20: 18,833,624 km (0.053 R)
• M21: 22,209,449 km (0.106 R)
• M22: 22,951,156 km (0.094 R)
• M23: 23,382,446 km (0.08 R)
• M24: 27,996,194 km (0.057 R)
• M25: 30,256,917 km (0.114 R)
• M26: 31,963,231 km (0.074 R)
• M27: 33,044,674 km (0.108 R)
• M28: 37,169,237 km (0.065 R)
• M29: 41,147,493 km (0.084 R)
• M30: 47,284,596 km (0.028 R)
• M31: 48,687,225 km (0.055 R)
• M32: 49,757,149 km (0.039 R)
• M33: 54,004,233 km (0.115 R)
• M34: 57,491,808 km (0.033 R)
• M35: 61,539,627 km (0.097 R)
• M36: 62,162,702 km (0.097 R)
• M37: 76,477,872 km (0.118 R)
• M38: 81,864,443 km (0.116 R)
• M39: 83,376,129 km (0.108 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: 241 - 12,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit