🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 12.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.65 AU - 0.73 AU

Year: 370 Days

Day: 9.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,059,766 km

• M1: 150,495 km (0.114 R)
• M2: 534,513 km (0.084 R)
• M3: 1,060,649 km (0.118 R)
• M4: 1,562,101 km (0.058 R)
• M5: 1,964,968 km (0.107 R)
• M6: 3,046,860 km (0.072 R)
• M7: 3,470,671 km (0.115 R)
• M8: 4,105,564 km (0.056 R)
• M9: 4,517,556 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 8.9

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.85 AU - 0.89 AU

Year: 524 Days

Day: 14.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,059,766 km

• M1: 110,702 km (0.09 R)
• M2: 391,348 km (0.067 R)
• M3: 670,647 km (0.063 R)
• M4: 965,205 km (0.088 R)
• M5: 1,243,607 km (0.073 R)
• M6: 1,748,949 km (0.083 R)
• M7: 2,050,089 km (0.053 R)
• M8: 2,365,890 km (0.072 R)
• M9: 2,659,252 km (0.074 R)
• M10: 3,594,687 km (0.026 R)
• M11: 3,941,455 km (0.071 R)
• M12: 4,219,857 km (0.109 R)
• M13: 4,965,752 km (0.118 R)
• M14: 5,834,167 km (0.067 R)
• M15: 6,138,749 km (0.116 R)
• M16: 6,433,905 km (0.104 R)
• M17: 6,842,158 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92

Radius: 9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.55 AU

Year: 1024 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 138.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,059,766 km

• M1: 111,899 km (0.092 R)
• M2: 423,960 km (0.092 R)
• M3: 972,985 km (0.119 R)
• M4: 2,676,456 km (0.114 R)
• M5: 3,252,557 km (0.094 R)
• M6: 4,168,694 km (0.06 R)
• M7: 4,679,870 km (0.116 R)
• M8: 5,093,957 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 11.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.33 AU - 1.41 AU

Year: 1035 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,059,766 km

• M1: 144,212 km (0.029 R)
• M2: 673,340 km (0.056 R)
• M3: 1,252,733 km (0.099 R)
• M4: 1,679,984 km (0.091 R)
• M5: 2,068,490 km (0.061 R)
• M6: 3,102,211 km (0.111 R)
• M7: 3,615,033 km (0.088 R)
• M8: 4,421,664 km (0.08 R)
• M9: 4,941,367 km (0.062 R)
• M10: 5,572,371 km (0.119 R)
• M11: 5,953,846 km (0.049 R)
• M12: 6,509,602 km (0.11 R)
• M13: 7,183,690 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 8.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.4 AU - 1.48 AU

Year: 1116 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,059,766 km

• M1: 105,167 km (0.086 R)
• M2: 425,905 km (0.105 R)
• M3: 959,072 km (0.097 R)
• M4: 1,281,156 km (0.065 R)
• M5: 2,000,872 km (0.112 R)
• M6: 2,346,891 km (0.092 R)
• M7: 2,661,645 km (0.117 R)
• M8: 3,559,981 km (0.106 R)
• M9: 4,055,149 km (0.087 R)
• M10: 4,493,920 km (0.111 R)
• M11: 4,946,005 km (0.05 R)
• M12: 5,370,863 km (0.12 R)
• M13: 5,660,933 km (0.102 R)
• M14: 6,209,508 km (0.057 R)
• M15: 6,837,819 km (0.107 R)
• M16: 7,870,942 km (0.071 R)
• M17: 8,450,784 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 8.6

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.99 AU - 5.39 AU

Year: 6558 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,059,766 km

• M1: 106,962 km (0.1 R)
• M2: 427,401 km (0.072 R)
• M3: 861,085 km (0.099 R)
• M4: 1,561,203 km (0.114 R)
• M5: 1,866,233 km (0.099 R)
• M6: 3,110,589 km (0.075 R)
• M7: 3,423,098 km (0.075 R)
• M8: 4,835,452 km (0.072 R)
• M9: 5,732,590 km (0.106 R)
• M10: 6,269,497 km (0.118 R)
• M11: 7,190,721 km (0.075 R)
• M12: 9,775,174 km (0.118 R)
• M13: 11,494,053 km (0.068 R)
• M14: 12,245,184 km (0.076 R)
• M15: 13,956,434 km (0.113 R)
• M16: 17,068,070 km (0.097 R)
• M17: 17,584,631 km (0.056 R)
• M18: 19,475,100 km (0.103 R)
• M19: 19,826,355 km (0.054 R)
• M20: 25,116,286 km (0.108 R)
• M21: 26,636,649 km (0.106 R)
• M22: 30,704,514 km (0.101 R)
• M23: 31,952,609 km (0.078 R)
• M24: 33,534,756 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.5

Radius: 10.5

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.23 AU - 5.97 AU

Year: 7437 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,059,766 km

• M1: 131,347 km (0.101 R)
• M2: 530,474 km (0.07 R)
• M3: 964,308 km (0.102 R)
• M4: 1,301,352 km (0.096 R)
• M5: 1,647,970 km (0.093 R)
• M6: 2,090,032 km (0.097 R)
• M7: 2,829,943 km (0.102 R)
• M8: 3,469,175 km (0.082 R)
• M9: 3,810,856 km (0.104 R)
• M10: 4,256,359 km (0.088 R)
• M11: 4,736,269 km (0.09 R)
• M12: 5,442,819 km (0.119 R)
• M13: 6,799,971 km (0.116 R)
• M14: 7,299,030 km (0.116 R)
• M15: 8,327,515 km (0.044 R)
• M16: 9,263,848 km (0.112 R)
• M17: 14,332,074 km (0.119 R)
• M18: 14,833,975 km (0.089 R)
• M19: 15,806,661 km (0.105 R)
• M20: 17,450,741 km (0.07 R)
• M21: 19,130,576 km (0.088 R)
• M22: 19,893,525 km (0.105 R)
• M23: 20,915,428 km (0.107 R)
• M24: 22,471,695 km (0.093 R)
• M25: 22,808,888 km (0.116 R)
• M26: 23,235,242 km (0.047 R)
• M27: 25,905,414 km (0.058 R)
• M28: 26,369,617 km (0.117 R)
• M29: 29,071,953 km (0.093 R)
• M30: 33,573,353 km (0.08 R)
• M31: 35,360,598 km (0.079 R)
• M32: 36,975,657 km (0.075 R)
• M33: 41,733,617 km (0.084 R)
• M34: 42,757,615 km (0.12 R)
• M35: 43,667,319 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 10.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.11 AU - 5.19 AU

Year: 7546 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,059,766 km

• M1: 128,056 km (0.119 R)
• M2: 477,666 km (0.066 R)
• M3: 862,581 km (0.083 R)
• M4: 1,446,761 km (0.052 R)
• M5: 1,904,530 km (0.114 R)
• M6: 2,262,219 km (0.062 R)
• M7: 3,810,707 km (0.094 R)
• M8: 6,140,993 km (0.102 R)
• M9: 8,240,000 km (0.109 R)
• M10: 8,667,551 km (0.092 R)
• M11: 9,336,702 km (0.05 R)
• M12: 13,210,689 km (0.11 R)
• M13: 19,807,955 km (0.104 R)
• M14: 20,421,456 km (0.046 R)
• M15: 22,337,655 km (0.052 R)
• M16: 23,765,567 km (0.101 R)
• M17: 24,283,774 km (0.097 R)
• M18: 24,809,610 km (0.066 R)
• M19: 26,988,802 km (0.118 R)
• M20: 30,593,812 km (0.036 R)
• M21: 35,732,947 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920

Radius: 7.7

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.57 AU - 9.67 AU

Year: 16341 Days

Day: 16.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 45,059,766 km

• M1: 97,089 km (0.108 R)
• M2: 455,825 km (0.034 R)
• M3: 999,015 km (0.095 R)
• M4: 1,619,696 km (0.053 R)
• M5: 2,257,581 km (0.115 R)
• M6: 3,264,375 km (0.089 R)
• M7: 3,658,865 km (0.094 R)
• M8: 4,855,947 km (0.066 R)
• M9: 5,602,440 km (0.051 R)
• M10: 8,822,385 km (0.041 R)
• M11: 9,145,516 km (0.095 R)
• M12: 10,104,289 km (0.102 R)
• M13: 10,578,065 km (0.075 R)
• M14: 10,820,414 km (0.055 R)
• M15: 11,066,353 km (0.109 R)
• M16: 11,506,021 km (0.107 R)
• M17: 14,318,611 km (0.095 R)
• M18: 17,306,678 km (0.095 R)
• M19: 21,644,119 km (0.088 R)
• M20: 24,482,290 km (0.109 R)
• M21: 24,906,998 km (0.095 R)
• M22: 31,008,198 km (0.066 R)
• M23: 32,515,845 km (0.078 R)
• M24: 33,940,316 km (0.049 R)
• M25: 36,222,731 km (0.115 R)
• M26: 40,644,694 km (0.068 R)
• M27: 41,690,683 km (0.106 R)
• M28: 43,525,500 km (0.102 R)
• M29: 45,413,426 km (0.064 R)
• M30: 47,849,477 km (0.075 R)
• M31: 48,180,687 km (0.057 R)
• M32: 49,183,591 km (0.115 R)
• M33: 51,577,606 km (0.102 R)
• M34: 56,228,005 km (0.114 R)
• M35: 60,568,288 km (0.097 R)
• M36: 61,345,150 km (0.117 R)
• M37: 66,352,340 km (0.107 R)
• M38: 66,764,333 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 6.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.64 AU - 10.58 AU

Year: 19235 Days

Day: 22.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 161.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,059,766 km

• M1: 77,342 km (0.119 R)
• M2: 366,515 km (0.031 R)
• M3: 610,210 km (0.073 R)
• M4: 1,208,601 km (0.1 R)
• M5: 1,496,577 km (0.056 R)
• M6: 2,766,065 km (0.07 R)
• M7: 3,385,998 km (0.106 R)
• M8: 4,427,050 km (0.089 R)
• M9: 4,717,569 km (0.117 R)
• M10: 6,402,041 km (0.091 R)
• M11: 9,552,422 km (0.069 R)
• M12: 11,486,274 km (0.069 R)
• M13: 15,638,812 km (0.095 R)
• M14: 19,901,454 km (0.032 R)
• M15: 21,671,047 km (0.098 R)
• M16: 23,021,916 km (0.08 R)
• M17: 37,678,019 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 14,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit