🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 14.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.49 AU - 1.73 AU

Year: 1299 Days

Day: 15 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,748,958 km

• M1: 177,872 km (0.113 R)
• M2: 633,098 km (0.117 R)
• M3: 1,083,837 km (0.12 R)
• M4: 1,781,112 km (0.114 R)
• M5: 2,245,763 km (0.086 R)
• M6: 3,187,183 km (0.117 R)
• M7: 4,570,365 km (0.079 R)
• M8: 5,028,732 km (0.025 R)
• M9: 6,301,062 km (0.043 R)
• M10: 7,376,521 km (0.106 R)
• M11: 8,435,375 km (0.095 R)
• M12: 9,100,786 km (0.109 R)
• M13: 10,195,394 km (0.119 R)
• M14: 10,790,644 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 14.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.62 AU - 1.78 AU

Year: 1409 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,748,958 km

• M1: 179,517 km (0.118 R)
• M2: 736,321 km (0.039 R)
• M3: 1,472,791 km (0.065 R)
• M4: 2,111,873 km (0.067 R)
• M5: 2,674,660 km (0.052 R)
• M6: 3,991,122 km (0.088 R)
• M7: 4,527,580 km (0.113 R)
• M8: 5,746,653 km (0.077 R)
• M9: 6,833,182 km (0.114 R)
• M10: 7,476,752 km (0.055 R)
• M11: 11,491,809 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 10.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.61 AU - 2.41 AU

Year: 1812 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 145.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,748,958 km

• M1: 131,796 km (0.065 R)
• M2: 1,218,624 km (0.077 R)
• M3: 1,559,707 km (0.12 R)
• M4: 1,998,777 km (0.088 R)
• M5: 2,572,485 km (0.087 R)
• M6: 3,412,627 km (0.109 R)
• M7: 3,977,359 km (0.089 R)
• M8: 5,099,043 km (0.109 R)
• M9: 6,828,993 km (0.052 R)
• M10: 7,474,957 km (0.065 R)
• M11: 8,073,199 km (0.096 R)
• M12: 9,993,138 km (0.066 R)
• M13: 11,893,480 km (0.094 R)
• M14: 13,314,510 km (0.119 R)
• M15: 14,538,968 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 12.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.97 AU - 4.39 AU

Year: 5434 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,748,958 km

• M1: 155,432 km (0.037 R)
• M2: 706,401 km (0.084 R)
• M3: 1,457,532 km (0.107 R)
• M4: 1,964,968 km (0.072 R)
• M5: 2,438,146 km (0.115 R)
• M6: 2,930,772 km (0.116 R)
• M7: 3,863,066 km (0.085 R)
• M8: 6,700,788 km (0.086 R)
• M9: 7,107,544 km (0.07 R)
• M10: 8,428,494 km (0.103 R)
• M11: 9,863,885 km (0.084 R)
• M12: 10,391,666 km (0.063 R)
• M13: 12,490,375 km (0.096 R)
• M14: 12,900,273 km (0.111 R)
• M15: 15,967,478 km (0.11 R)
• M16: 19,286,457 km (0.03 R)
• M17: 21,251,874 km (0.048 R)
• M18: 23,580,065 km (0.086 R)
• M19: 25,413,836 km (0.095 R)
• M20: 27,772,396 km (0.102 R)
• M21: 30,365,525 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149

Radius: 9.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.26 AU - 4.42 AU

Year: 5749 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,748,958 km

• M1: 119,080 km (0.115 R)
• M2: 415,433 km (0.102 R)
• M3: 1,605,933 km (0.077 R)
• M4: 2,070,734 km (0.082 R)
• M5: 2,668,676 km (0.071 R)
• M6: 5,024,095 km (0.077 R)
• M7: 8,917,828 km (0.101 R)
• M8: 11,651,879 km (0.087 R)
• M9: 13,757,619 km (0.099 R)
• M10: 18,994,292 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.2

Radius: 12.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.94 AU - 6.2 AU

Year: 9509 Days

Day: 13.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,748,958 km

• M1: 200,461 km (0.066 R)
• M2: 775,216 km (0.12 R)
• M3: 1,287,888 km (0.096 R)
• M4: 2,101,700 km (0.103 R)
• M5: 2,570,241 km (0.088 R)
• M6: 3,087,999 km (0.072 R)
• M7: 3,862,767 km (0.076 R)
• M8: 4,335,197 km (0.109 R)
• M9: 4,790,573 km (0.082 R)
• M10: 5,427,411 km (0.068 R)
• M11: 6,488,060 km (0.092 R)
• M12: 7,567,857 km (0.107 R)
• M13: 9,944,369 km (0.071 R)
• M14: 15,680,699 km (0.097 R)
• M15: 16,954,525 km (0.103 R)
• M16: 19,491,406 km (0.077 R)
• M17: 20,440,006 km (0.086 R)
• M18: 22,114,904 km (0.062 R)
• M19: 22,985,862 km (0.119 R)
• M20: 24,796,296 km (0.063 R)
• M21: 26,611,516 km (0.112 R)
• M22: 28,606,404 km (0.097 R)
• M23: 30,214,880 km (0.098 R)
• M24: 31,982,678 km (0.054 R)
• M25: 34,762,506 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491

Radius: 5.8

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.46 AU - 8.1 AU

Year: 12489 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,748,958 km

• M1: 72,106 km (0.106 R)
• M2: 253,568 km (0.099 R)
• M3: 451,935 km (0.048 R)
• M4: 653,144 km (0.09 R)
• M5: 945,309 km (0.111 R)
• M6: 1,222,065 km (0.053 R)
• M7: 1,906,475 km (0.031 R)
• M8: 2,973,856 km (0.108 R)
• M9: 5,429,804 km (0.115 R)
• M10: 6,133,961 km (0.038 R)
• M11: 7,219,593 km (0.089 R)
• M12: 8,473,074 km (0.091 R)
• M13: 9,031,971 km (0.071 R)
• M14: 9,320,396 km (0.118 R)
• M15: 15,554,738 km (0.065 R)
• M16: 16,533,706 km (0.052 R)
• M17: 17,184,457 km (0.113 R)
• M18: 19,556,481 km (0.101 R)
• M19: 21,113,495 km (0.059 R)
• M20: 22,751,293 km (0.108 R)
• M21: 23,737,143 km (0.12 R)
• M22: 24,286,766 km (0.067 R)
• M23: 24,564,718 km (0.107 R)
• M24: 26,374,703 km (0.071 R)
• M25: 34,739,767 km (0.106 R)
• M26: 40,939,103 km (0.055 R)
• M27: 47,546,841 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 14,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit