🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 10.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.73 AU - 0.87 AU

Year: 485 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,835,821 km

• M1: 133,441 km (0.108 R)
• M2: 497,114 km (0.102 R)
• M3: 818,300 km (0.031 R)
• M4: 1,213,987 km (0.109 R)
• M5: 1,607,280 km (0.082 R)
• M6: 2,200,585 km (0.101 R)
• M7: 2,581,610 km (0.119 R)
• M8: 3,112,085 km (0.062 R)
• M9: 3,583,019 km (0.065 R)
• M10: 4,584,427 km (0.066 R)
• M11: 5,000,907 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 12.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.29 AU - 1.63 AU

Year: 1197 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,835,821 km

• M1: 154,385 km (0.111 R)
• M2: 790,924 km (0.084 R)
• M3: 1,406,968 km (0.089 R)
• M4: 1,894,208 km (0.039 R)
• M5: 2,534,338 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 12.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.46 AU - 1.84 AU

Year: 1438 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,835,821 km

• M1: 153,487 km (0.057 R)
• M2: 721,062 km (0.076 R)
• M3: 1,114,205 km (0.084 R)
• M4: 1,581,997 km (0.069 R)
• M5: 2,215,694 km (0.107 R)
• M6: 3,161,302 km (0.075 R)
• M7: 3,959,108 km (0.101 R)
• M8: 4,666,706 km (0.042 R)
• M9: 5,522,854 km (0.11 R)
• M10: 5,930,658 km (0.086 R)
• M11: 6,407,426 km (0.095 R)
• M12: 7,170,525 km (0.105 R)
• M13: 8,078,883 km (0.072 R)
• M14: 8,576,147 km (0.077 R)
• M15: 9,761,560 km (0.098 R)
• M16: 10,496,235 km (0.076 R)
• M17: 11,520,532 km (0.099 R)
• M18: 12,075,839 km (0.054 R)
• M19: 12,726,889 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 8.2

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.82 AU - 3.64 AU

Year: 3937 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,835,821 km

• M1: 109,057 km (0.117 R)
• M2: 527,332 km (0.071 R)
• M3: 806,033 km (0.086 R)
• M4: 1,073,664 km (0.114 R)
• M5: 1,401,882 km (0.095 R)
• M6: 2,071,033 km (0.026 R)
• M7: 2,437,548 km (0.058 R)
• M8: 2,740,334 km (0.101 R)
• M9: 3,087,251 km (0.116 R)
• M10: 4,331,457 km (0.113 R)
• M11: 5,477,077 km (0.094 R)
• M12: 8,656,481 km (0.05 R)
• M13: 11,868,197 km (0.108 R)
• M14: 12,594,346 km (0.104 R)
• M15: 14,028,540 km (0.025 R)
• M16: 18,211,147 km (0.036 R)
• M17: 18,657,547 km (0.083 R)
• M18: 20,107,899 km (0.102 R)
• M19: 20,379,419 km (0.07 R)
• M20: 20,791,411 km (0.101 R)
• M21: 24,060,125 km (0.083 R)
• M22: 27,240,127 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.3

Radius: 4.1

Gravity: 56.41 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.95 AU - 6.35 AU

Year: 10344 Days

Day: 15.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,835,821 km

• M1: 51,611 km (0.069 R)
• M2: 413,788 km (0.103 R)
• M3: 1,066,932 km (0.063 R)
• M4: 1,198,728 km (0.095 R)
• M5: 1,466,807 km (0.063 R)
• M6: 1,806,544 km (0.09 R)
• M7: 2,705,627 km (0.081 R)
• M8: 2,838,620 km (0.097 R)
• M9: 3,518,692 km (0.061 R)
• M10: 3,677,415 km (0.086 R)
• M11: 4,361,077 km (0.087 R)
• M12: 4,606,717 km (0.09 R)
• M13: 4,926,707 km (0.092 R)
• M14: 5,864,685 km (0.03 R)
• M15: 6,552,387 km (0.118 R)
• M16: 7,905,350 km (0.089 R)
• M17: 8,457,366 km (0.1 R)
• M18: 10,054,622 km (0.076 R)
• M19: 10,812,784 km (0.107 R)
• M20: 12,441,905 km (0.072 R)
• M21: 13,442,715 km (0.1 R)
• M22: 15,391,527 km (0.084 R)
• M23: 16,914,732 km (0.11 R)
• M24: 17,215,873 km (0.097 R)
• M25: 18,695,395 km (0.071 R)
• M26: 22,352,166 km (0.093 R)
• M27: 23,173,458 km (0.109 R)
• M28: 25,956,876 km (0.108 R)
• M29: 28,528,613 km (0.042 R)
• M30: 32,406,938 km (0.075 R)
• M31: 37,379,721 km (0.072 R)
• M32: 37,762,392 km (0.068 R)
• M33: 39,319,108 km (0.094 R)
• M34: 41,733,468 km (0.089 R)
• M35: 42,145,311 km (0.081 R)
• M36: 43,819,610 km (0.106 R)
• M37: 46,120,276 km (0.114 R)
• M38: 51,431,000 km (0.11 R)
• M39: 51,904,328 km (0.081 R)
• M40: 53,341,664 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.5

Radius: 5.4

Gravity: 24.81 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.43 AU - 6.95 AU

Year: 10445 Days

Day: 24.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,835,821 km

• M1: 70,909 km (0.069 R)
• M2: 268,827 km (0.053 R)
• M3: 616,194 km (0.079 R)
• M4: 860,786 km (0.096 R)
• M5: 1,253,630 km (0.078 R)
• M6: 3,680,108 km (0.115 R)
• M7: 3,892,686 km (0.068 R)
• M8: 4,169,741 km (0.082 R)
• M9: 4,489,582 km (0.063 R)
• M10: 5,048,330 km (0.064 R)
• M11: 5,971,498 km (0.101 R)
• M12: 6,154,157 km (0.113 R)
• M13: 7,083,160 km (0.052 R)
• M14: 8,102,221 km (0.105 R)
• M15: 8,554,305 km (0.091 R)
• M16: 10,114,611 km (0.074 R)
• M17: 10,799,470 km (0.076 R)
• M18: 11,402,649 km (0.063 R)
• M19: 12,086,012 km (0.056 R)
• M20: 16,987,736 km (0.108 R)
• M21: 24,066,857 km (0.036 R)
• M22: 24,623,660 km (0.1 R)
• M23: 28,867,004 km (0.032 R)
• M24: 45,306,762 km (0.117 R)
• M25: 46,297,250 km (0.087 R)
• M26: 48,468,513 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.1

Radius: 3.7

Gravity: 36.38 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.28 AU - 6.34 AU

Year: 10751 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 96.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,835,821 km

• M1: 49,816 km (0.075 R)
• M2: 211,083 km (0.092 R)
• M3: 407,505 km (0.101 R)
• M4: 735,274 km (0.04 R)
• M5: 886,966 km (0.118 R)
• M6: 1,458,430 km (0.1 R)
• M7: 1,822,102 km (0.058 R)
• M8: 2,000,124 km (0.099 R)
• M9: 2,545,258 km (0.108 R)
• M10: 2,726,571 km (0.102 R)
• M11: 3,739,947 km (0.112 R)
• M12: 4,055,000 km (0.097 R)
• M13: 4,218,959 km (0.045 R)
• M14: 6,510,350 km (0.079 R)
• M15: 6,773,492 km (0.119 R)
• M16: 7,004,621 km (0.078 R)
• M17: 9,046,482 km (0.118 R)
• M18: 9,806,589 km (0.05 R)
• M19: 11,184,535 km (0.076 R)
• M20: 11,453,063 km (0.066 R)
• M21: 11,891,834 km (0.039 R)
• M22: 13,155,786 km (0.115 R)
• M23: 14,697,841 km (0.092 R)
• M24: 14,826,196 km (0.066 R)
• M25: 15,150,375 km (0.105 R)
• M26: 18,135,451 km (0.109 R)
• M27: 18,957,641 km (0.108 R)
• M28: 19,493,500 km (0.117 R)
• M29: 21,243,646 km (0.101 R)
• M30: 21,407,754 km (0.055 R)
• M31: 27,117,157 km (0.119 R)
• M32: 30,214,880 km (0.114 R)
• M33: 32,442,093 km (0.114 R)
• M34: 33,208,184 km (0.119 R)
• M35: 37,578,536 km (0.072 R)
• M36: 41,287,965 km (0.054 R)
• M37: 41,415,572 km (0.044 R)
• M38: 43,362,588 km (0.085 R)
• M39: 44,025,008 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.1

Radius: 7.6

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.57 AU - 8.17 AU

Year: 12213 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,835,821 km

• M1: 94,546 km (0.039 R)
• M2: 680,970 km (0.115 R)
• M3: 1,049,429 km (0.119 R)
• M4: 1,576,014 km (0.084 R)
• M5: 2,210,907 km (0.045 R)
• M6: 3,028,758 km (0.072 R)
• M7: 3,267,816 km (0.103 R)
• M8: 4,753,921 km (0.078 R)
• M9: 6,369,279 km (0.069 R)
• M10: 6,926,082 km (0.109 R)
• M11: 7,821,725 km (0.091 R)
• M12: 8,091,300 km (0.114 R)
• M13: 12,005,977 km (0.087 R)
• M14: 15,713,162 km (0.099 R)
• M15: 18,018,914 km (0.094 R)
• M16: 20,882,816 km (0.047 R)
• M17: 27,805,457 km (0.114 R)
• M18: 28,646,197 km (0.11 R)
• M19: 29,287,822 km (0.094 R)
• M20: 31,045,448 km (0.115 R)
• M21: 35,992,051 km (0.112 R)
• M22: 44,216,493 km (0.105 R)
• M23: 44,929,776 km (0.116 R)
• M24: 49,984,089 km (0.076 R)
• M25: 50,913,691 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.5

Radius: 6.8

Gravity: 19.34 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.99 AU - 10.63 AU

Year: 22453 Days

Day: 15.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,835,821 km

• M1: 84,822 km (0.066 R)
• M2: 347,067 km (0.027 R)
• M3: 824,284 km (0.032 R)
• M4: 1,662,032 km (0.067 R)
• M5: 1,930,860 km (0.116 R)
• M6: 3,109,093 km (0.108 R)
• M7: 3,458,852 km (0.106 R)
• M8: 3,738,152 km (0.119 R)
• M9: 4,342,228 km (0.088 R)
• M10: 4,667,753 km (0.069 R)
• M11: 5,615,904 km (0.087 R)
• M12: 6,225,216 km (0.079 R)
• M13: 10,010,342 km (0.08 R)
• M14: 13,295,810 km (0.099 R)
• M15: 14,138,794 km (0.072 R)
• M16: 15,180,444 km (0.11 R)
• M17: 16,705,893 km (0.079 R)
• M18: 18,052,873 km (0.045 R)
• M19: 22,313,570 km (0.11 R)
• M20: 23,173,907 km (0.098 R)
• M21: 26,717,432 km (0.111 R)
• M22: 27,687,275 km (0.115 R)
• M23: 31,533,586 km (0.119 R)
• M24: 40,740,587 km (0.082 R)
• M25: 47,782,009 km (0.066 R)
• M26: 50,115,735 km (0.093 R)
• M27: 50,848,765 km (0.035 R)
• M28: 60,005,052 km (0.08 R)
• M29: 63,569,970 km (0.086 R)
• M30: 70,658,665 km (0.08 R)
• M31: 76,308,378 km (0.112 R)
• M32: 77,034,975 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 16,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit