🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.49 AU - 0.61 AU

Year: 268 Days

Day: 22.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,077,729 km

• M1: 97,987 km (0.055 R)
• M2: 262,694 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 12.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.67 AU - 1.09 AU

Year: 542 Days

Day: 8.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,077,729 km

• M1: 155,582 km (0.079 R)
• M2: 621,280 km (0.042 R)
• M3: 1,061,098 km (0.06 R)
• M4: 1,577,510 km (0.032 R)
• M5: 1,974,393 km (0.061 R)
• M6: 2,398,353 km (0.102 R)
• M7: 2,929,874 km (0.071 R)
• M8: 3,369,842 km (0.091 R)
• M9: 4,262,343 km (0.095 R)
• M10: 4,732,229 km (0.074 R)
• M11: 5,502,060 km (0.11 R)
• M12: 6,196,194 km (0.076 R)
• M13: 6,842,906 km (0.098 R)
• M14: 7,623,807 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.6

Radius: 10

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.99 AU - 1.35 AU

Year: 830 Days

Day: 7.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,077,729 km

• M1: 124,914 km (0.051 R)
• M2: 499,208 km (0.078 R)
• M3: 844,031 km (0.061 R)
• M4: 1,529,937 km (0.054 R)
• M5: 2,042,011 km (0.077 R)
• M6: 2,465,971 km (0.113 R)
• M7: 2,827,998 km (0.042 R)
• M8: 3,251,510 km (0.1 R)
• M9: 3,589,751 km (0.105 R)
• M10: 3,996,507 km (0.081 R)
• M11: 4,597,741 km (0.075 R)
• M12: 5,386,421 km (0.075 R)
• M13: 6,262,915 km (0.098 R)
• M14: 7,074,633 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 9.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.11 AU - 1.39 AU

Year: 917 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,077,729 km

• M1: 123,119 km (0.114 R)
• M2: 513,569 km (0.097 R)
• M3: 911,201 km (0.099 R)
• M4: 1,922,781 km (0.12 R)
• M5: 2,430,965 km (0.083 R)
• M6: 3,080,819 km (0.059 R)
• M7: 3,644,055 km (0.101 R)
• M8: 3,970,028 km (0.075 R)
• M9: 4,946,304 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 14.4

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.12 AU - 1.82 AU

Year: 1169 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,077,729 km

• M1: 179,517 km (0.033 R)
• M2: 652,696 km (0.076 R)
• M3: 1,882,091 km (0.056 R)
• M4: 2,379,653 km (0.116 R)
• M5: 2,859,264 km (0.106 R)
• M6: 3,404,100 km (0.076 R)
• M7: 4,291,065 km (0.067 R)
• M8: 5,147,064 km (0.111 R)
• M9: 5,786,146 km (0.078 R)
• M10: 6,547,749 km (0.076 R)
• M11: 8,027,571 km (0.105 R)
• M12: 8,605,019 km (0.095 R)
• M13: 9,905,324 km (0.077 R)
• M14: 10,570,436 km (0.109 R)
• M15: 11,572,143 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 10.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.89 AU - 2.63 AU

Year: 2229 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,077,729 km

• M1: 133,142 km (0.081 R)
• M2: 661,671 km (0.075 R)
• M3: 1,183,618 km (0.101 R)
• M4: 1,518,119 km (0.109 R)
• M5: 1,948,363 km (0.063 R)
• M6: 2,521,472 km (0.119 R)
• M7: 3,869,349 km (0.115 R)
• M8: 4,548,224 km (0.118 R)
• M9: 5,097,847 km (0.088 R)
• M10: 6,073,674 km (0.089 R)
• M11: 7,377,718 km (0.113 R)
• M12: 8,393,039 km (0.111 R)
• M13: 9,687,061 km (0.055 R)
• M14: 10,665,730 km (0.102 R)
• M15: 11,424,341 km (0.079 R)
• M16: 11,780,832 km (0.092 R)
• M17: 12,366,807 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.4

Radius: 10.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.93 AU - 5.51 AU

Year: 6727 Days

Day: 6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,077,729 km

• M1: 134,937 km (0.068 R)
• M2: 581,637 km (0.05 R)
• M3: 1,482,216 km (0.102 R)
• M4: 2,146,281 km (0.098 R)
• M5: 2,980,738 km (0.074 R)
• M6: 3,342,465 km (0.109 R)
• M7: 3,755,056 km (0.102 R)
• M8: 4,989,987 km (0.047 R)
• M9: 5,932,752 km (0.054 R)
• M10: 6,292,685 km (0.094 R)
• M11: 8,922,017 km (0.093 R)
• M12: 9,844,288 km (0.094 R)
• M13: 10,784,660 km (0.099 R)
• M14: 11,597,874 km (0.092 R)
• M15: 12,794,358 km (0.06 R)
• M16: 13,295,361 km (0.101 R)
• M17: 13,966,158 km (0.053 R)
• M18: 17,725,403 km (0.101 R)
• M19: 21,474,026 km (0.106 R)
• M20: 22,397,644 km (0.092 R)
• M21: 23,347,440 km (0.095 R)
• M22: 25,015,756 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.1

Radius: 5.5

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.26 AU - 6.52 AU

Year: 10596 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,077,729 km

• M1: 68,366 km (0.078 R)
• M2: 417,976 km (0.104 R)
• M3: 1,293,274 km (0.077 R)
• M4: 1,510,340 km (0.092 R)
• M5: 1,972,298 km (0.095 R)
• M6: 2,690,667 km (0.105 R)
• M7: 2,965,030 km (0.067 R)
• M8: 3,478,898 km (0.107 R)
• M9: 3,781,086 km (0.096 R)
• M10: 4,000,397 km (0.111 R)
• M11: 4,358,384 km (0.089 R)
• M12: 4,765,440 km (0.111 R)
• M13: 4,992,679 km (0.116 R)
• M14: 5,781,659 km (0.074 R)
• M15: 6,442,731 km (0.103 R)
• M16: 8,355,191 km (0.106 R)
• M17: 10,005,106 km (0.098 R)
• M18: 10,237,281 km (0.092 R)
• M19: 11,860,867 km (0.067 R)
• M20: 13,144,267 km (0.099 R)
• M21: 13,422,819 km (0.102 R)
• M22: 13,762,406 km (0.083 R)
• M23: 14,165,722 km (0.115 R)
• M24: 14,755,436 km (0.111 R)
• M25: 15,056,427 km (0.037 R)
• M26: 15,795,441 km (0.1 R)
• M27: 17,546,185 km (0.05 R)
• M28: 18,642,438 km (0.026 R)
• M29: 21,813,913 km (0.078 R)
• M30: 22,047,734 km (0.072 R)
• M31: 24,900,566 km (0.054 R)
• M32: 25,413,237 km (0.11 R)
• M33: 26,195,186 km (0.118 R)
• M34: 27,715,848 km (0.093 R)
• M35: 31,425,127 km (0.098 R)
• M36: 33,140,566 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.2

Radius: 4.8

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.55 AU - 8.43 AU

Year: 12123 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,077,729 km

• M1: 59,839 km (0.112 R)
• M2: 242,349 km (0.063 R)
• M3: 642,224 km (0.099 R)
• M4: 950,096 km (0.067 R)
• M5: 2,330,884 km (0.043 R)
• M6: 3,711,972 km (0.073 R)
• M7: 4,403,413 km (0.065 R)
• M8: 5,114,602 km (0.118 R)
• M9: 6,723,975 km (0.083 R)
• M10: 6,951,065 km (0.033 R)
• M11: 8,466,940 km (0.101 R)
• M12: 9,799,409 km (0.108 R)
• M13: 12,471,077 km (0.096 R)
• M14: 12,756,659 km (0.106 R)
• M15: 17,722,561 km (0.114 R)
• M16: 20,274,251 km (0.089 R)
• M17: 22,467,356 km (0.101 R)
• M18: 22,890,120 km (0.084 R)
• M19: 23,926,384 km (0.089 R)
• M20: 24,367,249 km (0.063 R)
• M21: 28,779,788 km (0.088 R)
• M22: 34,027,831 km (0.058 R)
• M23: 43,041,551 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508

Radius: 3.5

Gravity: 41.47 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.19 AU - 11.67 AU

Year: 20527 Days

Day: 24 Hours

Environment

Temp: -229 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,077,729 km

• M1: 44,431 km (0.054 R)
• M2: 161,566 km (0.035 R)
• M3: 375,640 km (0.071 R)
• M4: 494,122 km (0.109 R)
• M5: 620,831 km (0.118 R)
• M6: 1,288,636 km (0.059 R)
• M7: 1,664,725 km (0.089 R)
• M8: 2,583,256 km (0.083 R)
• M9: 2,700,092 km (0.1 R)
• M10: 3,283,823 km (0.029 R)
• M11: 3,648,842 km (0.074 R)
• M12: 5,729,150 km (0.093 R)
• M13: 6,727,865 km (0.089 R)
• M14: 7,222,286 km (0.082 R)
• M15: 9,388,463 km (0.09 R)
• M16: 9,777,717 km (0.113 R)
• M17: 10,293,979 km (0.114 R)
• M18: 14,208,806 km (0.057 R)
• M19: 15,020,075 km (0.087 R)
• M20: 15,784,071 km (0.109 R)
• M21: 18,748,952 km (0.069 R)
• M22: 19,723,881 km (0.063 R)
• M23: 22,950,557 km (0.042 R)
• M24: 26,292,723 km (0.078 R)
• M25: 32,141,252 km (0.115 R)
• M26: 41,257,298 km (0.036 R)
• M27: 44,434,008 km (0.097 R)
• M28: 45,370,641 km (0.06 R)
• M29: 49,083,361 km (0.082 R)
• M30: 50,252,318 km (0.116 R)
• M31: 52,819,268 km (0.109 R)
• M32: 54,400,667 km (0.069 R)
• M33: 56,013,332 km (0.101 R)
• M34: 56,922,887 km (0.03 R)
• M35: 57,105,995 km (0.119 R)
• M36: 61,426,232 km (0.101 R)
• M37: 64,755,832 km (0.104 R)
• M38: 65,355,719 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 10,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit