🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 10.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.83 AU - 0.89 AU

Year: 532 Days

Day: 14.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,731,929 km

• M1: 129,402 km (0.054 R)
• M2: 521,498 km (0.116 R)
• M3: 950,246 km (0.107 R)
• M4: 1,732,643 km (0.045 R)
• M5: 2,208,364 km (0.102 R)
• M6: 3,090,991 km (0.109 R)
• M7: 3,562,224 km (0.095 R)
• M8: 4,053,205 km (0.07 R)
• M9: 4,726,246 km (0.096 R)
• M10: 5,057,455 km (0.077 R)
• M11: 6,054,076 km (0.118 R)
• M12: 6,388,577 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 10.5

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.47 AU - 2.11 AU

Year: 1597 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,731,929 km

• M1: 130,599 km (0.12 R)
• M2: 457,171 km (0.072 R)
• M3: 1,035,965 km (0.117 R)
• M4: 1,608,177 km (0.109 R)
• M5: 2,583,705 km (0.102 R)
• M6: 3,096,975 km (0.111 R)
• M7: 3,761,040 km (0.106 R)
• M8: 4,613,898 km (0.118 R)
• M9: 6,625,241 km (0.1 R)
• M10: 8,705,998 km (0.088 R)
• M11: 9,225,252 km (0.103 R)
• M12: 10,426,972 km (0.115 R)
• M13: 10,873,072 km (0.094 R)
• M14: 13,538,458 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.1

Radius: 9.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.71 AU - 2.27 AU

Year: 1872 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,731,929 km

• M1: 122,072 km (0.12 R)
• M2: 512,672 km (0.06 R)
• M3: 957,277 km (0.09 R)
• M4: 1,262,307 km (0.114 R)
• M5: 1,773,632 km (0.059 R)
• M6: 2,187,869 km (0.111 R)
• M7: 2,971,612 km (0.057 R)
• M8: 3,436,113 km (0.102 R)
• M9: 3,982,445 km (0.106 R)
• M10: 4,604,174 km (0.073 R)
• M11: 5,007,490 km (0.098 R)
• M12: 5,863,040 km (0.08 R)
• M13: 6,548,796 km (0.108 R)
• M14: 7,492,909 km (0.118 R)
• M15: 8,161,910 km (0.116 R)
• M16: 8,553,707 km (0.103 R)
• M17: 9,711,595 km (0.118 R)
• M18: 11,038,228 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.4

Radius: 13.1

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.1 AU - 2.96 AU

Year: 2684 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,731,929 km

• M1: 162,912 km (0.087 R)
• M2: 1,170,155 km (0.07 R)
• M3: 1,781,860 km (0.055 R)
• M4: 2,615,270 km (0.106 R)
• M5: 4,855,049 km (0.039 R)
• M6: 5,276,616 km (0.079 R)
• M7: 5,844,340 km (0.09 R)
• M8: 8,098,331 km (0.109 R)
• M9: 9,118,289 km (0.108 R)
• M10: 9,625,127 km (0.12 R)
• M11: 14,519,670 km (0.03 R)
• M12: 16,169,286 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.9

Radius: 12.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.65 AU - 4.19 AU

Year: 4218 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,731,929 km

• M1: 155,432 km (0.111 R)
• M2: 567,126 km (0.103 R)
• M3: 969,544 km (0.044 R)
• M4: 1,388,418 km (0.04 R)
• M5: 1,941,930 km (0.105 R)
• M6: 3,151,878 km (0.117 R)
• M7: 4,082,077 km (0.113 R)
• M8: 4,498,258 km (0.11 R)
• M9: 5,030,827 km (0.099 R)
• M10: 7,051,744 km (0.111 R)
• M11: 9,912,804 km (0.093 R)
• M12: 10,892,819 km (0.094 R)
• M13: 11,856,678 km (0.111 R)
• M14: 13,516,018 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 8.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.34 AU - 4.5 AU

Year: 6197 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,731,929 km

• M1: 104,719 km (0.089 R)
• M2: 914,941 km (0.081 R)
• M3: 1,316,461 km (0.038 R)
• M4: 1,921,585 km (0.081 R)
• M5: 2,955,456 km (0.064 R)
• M6: 3,320,774 km (0.109 R)
• M7: 4,506,337 km (0.116 R)
• M8: 5,042,047 km (0.05 R)
• M9: 7,957,260 km (0.09 R)
• M10: 8,666,653 km (0.073 R)
• M11: 10,415,901 km (0.116 R)
• M12: 11,134,121 km (0.098 R)
• M13: 11,571,844 km (0.085 R)
• M14: 13,389,309 km (0.091 R)
• M15: 13,985,007 km (0.071 R)
• M16: 18,114,507 km (0.085 R)
• M17: 20,036,092 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.8

Radius: 5

Gravity: 22.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.51 AU - 8.67 AU

Year: 13944 Days

Day: 24 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,731,929 km

• M1: 62,233 km (0.092 R)
• M2: 261,647 km (0.077 R)
• M3: 775,964 km (0.084 R)
• M4: 1,285,046 km (0.111 R)
• M5: 1,689,708 km (0.092 R)
• M6: 1,921,884 km (0.063 R)
• M7: 3,315,986 km (0.091 R)
• M8: 4,429,593 km (0.103 R)
• M9: 5,484,258 km (0.09 R)
• M10: 5,957,137 km (0.058 R)
• M11: 7,408,087 km (0.106 R)
• M12: 8,308,516 km (0.114 R)
• M13: 10,162,632 km (0.116 R)
• M14: 10,763,118 km (0.083 R)
• M15: 11,043,614 km (0.117 R)
• M16: 13,274,118 km (0.033 R)
• M17: 14,392,811 km (0.104 R)
• M18: 15,501,780 km (0.111 R)
• M19: 16,077,134 km (0.099 R)
• M20: 18,843,198 km (0.081 R)
• M21: 19,415,560 km (0.101 R)
• M22: 20,423,700 km (0.112 R)
• M23: 20,594,989 km (0.101 R)
• M24: 22,000,611 km (0.049 R)
• M25: 23,940,596 km (0.068 R)
• M26: 27,215,144 km (0.12 R)
• M27: 32,492,508 km (0.113 R)
• M28: 34,513,874 km (0.091 R)
• M29: 34,879,192 km (0.115 R)
• M30: 35,246,904 km (0.064 R)
• M31: 40,535,787 km (0.111 R)
• M32: 42,317,049 km (0.115 R)
• M33: 47,521,110 km (0.075 R)
• M34: 49,500,439 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.6

Radius: 7.3

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.79 AU - 9.31 AU

Year: 18155 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,731,929 km

• M1: 93,050 km (0.112 R)
• M2: 470,784 km (0.098 R)
• M3: 1,026,241 km (0.053 R)
• M4: 1,761,964 km (0.117 R)
• M5: 2,092,874 km (0.095 R)
• M6: 2,464,924 km (0.109 R)
• M7: 2,880,208 km (0.114 R)
• M8: 3,314,640 km (0.043 R)
• M9: 5,095,453 km (0.073 R)
• M10: 5,388,366 km (0.115 R)
• M11: 5,809,334 km (0.113 R)
• M12: 7,434,715 km (0.12 R)
• M13: 8,005,431 km (0.117 R)
• M14: 9,180,672 km (0.041 R)
• M15: 9,949,904 km (0.111 R)
• M16: 11,491,510 km (0.098 R)
• M17: 14,379,946 km (0.114 R)
• M18: 17,636,243 km (0.047 R)
• M19: 18,392,909 km (0.078 R)
• M20: 19,612,730 km (0.087 R)
• M21: 22,212,441 km (0.109 R)
• M22: 24,306,812 km (0.079 R)
• M23: 25,138,277 km (0.086 R)
• M24: 28,311,247 km (0.085 R)
• M25: 31,252,641 km (0.103 R)
• M26: 34,391,802 km (0.045 R)
• M27: 35,307,042 km (0.098 R)
• M28: 36,913,574 km (0.051 R)
• M29: 41,729,279 km (0.059 R)
• M30: 42,173,285 km (0.104 R)
• M31: 53,973,565 km (0.106 R)
• M32: 55,923,125 km (0.115 R)
• M33: 64,783,059 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.5

Radius: 5.8

Gravity: 25.04 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.13 AU - 9.83 AU

Year: 19464 Days

Day: 24.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,731,929 km

• M1: 72,106 km (0.062 R)
• M2: 347,516 km (0.107 R)
• M3: 923,916 km (0.083 R)
• M4: 1,150,408 km (0.094 R)
• M5: 1,336,956 km (0.048 R)
• M6: 1,594,713 km (0.108 R)
• M7: 3,560,729 km (0.111 R)
• M8: 4,290,317 km (0.043 R)
• M9: 4,672,540 km (0.096 R)
• M10: 6,040,762 km (0.114 R)
• M11: 8,166,548 km (0.086 R)
• M12: 10,373,715 km (0.108 R)
• M13: 10,745,316 km (0.084 R)
• M14: 11,319,173 km (0.118 R)
• M15: 11,913,376 km (0.064 R)
• M16: 13,092,058 km (0.085 R)
• M17: 13,746,548 km (0.098 R)
• M18: 14,499,175 km (0.11 R)
• M19: 17,177,576 km (0.101 R)
• M20: 19,135,662 km (0.074 R)
• M21: 33,014,006 km (0.119 R)
• M22: 36,589,694 km (0.073 R)
• M23: 37,450,032 km (0.076 R)
• M24: 39,810,088 km (0.087 R)
• M25: 42,110,903 km (0.094 R)
• M26: 44,014,237 km (0.102 R)
• M27: 44,824,010 km (0.074 R)
• M28: 48,677,053 km (0.113 R)
• M29: 50,949,594 km (0.115 R)
• M30: 52,021,912 km (0.119 R)
• M31: 55,141,775 km (0.042 R)
• M32: 63,791,075 km (0.059 R)
• M33: 68,004,948 km (0.079 R)
• M34: 68,220,369 km (0.115 R)
• M35: 69,522,618 km (0.067 R)
• M36: 73,755,341 km (0.104 R)
• M37: 76,748,345 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.2

Radius: 3.8

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.41 AU - 12.33 AU

Year: 20678 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,731,929 km

• M1: 47,273 km (0.102 R)
• M2: 434,432 km (0.058 R)
• M3: 2,875,869 km (0.04 R)
• M4: 6,225,067 km (0.093 R)
• M5: 8,155,178 km (0.057 R)
• M6: 9,159,878 km (0.059 R)
• M7: 9,642,780 km (0.1 R)
• M8: 10,142,586 km (0.11 R)
• M9: 10,817,572 km (0.092 R)
• M10: 13,263,946 km (0.103 R)
• M11: 17,042,040 km (0.11 R)
• M12: 21,986,997 km (0.08 R)
• M13: 22,676,045 km (0.054 R)
• M14: 25,671,443 km (0.094 R)
• M15: 28,008,461 km (0.041 R)
• M16: 30,802,501 km (0.043 R)
• M17: 33,890,650 km (0.117 R)
• M18: 37,665,153 km (0.111 R)
• M19: 38,032,715 km (0.117 R)
• M20: 44,244,169 km (0.025 R)
• M21: 44,927,681 km (0.102 R)
• M22: 45,203,091 km (0.101 R)
• M23: 46,455,973 km (0.059 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: 235 - 17,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit