🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.5

Radius: 12.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.77 AU - 0.85 AU

Year: 478 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,323,981 km

• M1: 157,975 km (0.066 R)
• M2: 582,684 km (0.045 R)
• M3: 1,084,884 km (0.091 R)
• M4: 1,520,064 km (0.093 R)
• M5: 2,454,153 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 10.4

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.09 AU - 1.27 AU

Year: 841 Days

Day: 5.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,323,981 km

• M1: 129,402 km (0.094 R)
• M2: 540,198 km (0.102 R)
• M3: 1,107,473 km (0.097 R)
• M4: 1,440,627 km (0.099 R)
• M5: 1,768,546 km (0.064 R)
• M6: 2,241,874 km (0.115 R)
• M7: 2,761,128 km (0.043 R)
• M8: 3,288,610 km (0.059 R)
• M9: 3,681,903 km (0.117 R)
• M10: 4,122,917 km (0.087 R)
• M11: 4,634,392 km (0.111 R)
• M12: 5,017,213 km (0.119 R)
• M13: 5,342,439 km (0.05 R)
• M14: 5,846,584 km (0.111 R)
• M15: 6,696,449 km (0.066 R)
• M16: 7,380,112 km (0.096 R)
• M17: 7,776,845 km (0.099 R)
• M18: 8,135,731 km (0.029 R)
• M19: 9,479,718 km (0.025 R)
• M20: 9,830,226 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 9.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.24 AU - 1.32 AU

Year: 950 Days

Day: 5.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,323,981 km

• M1: 121,922 km (0.086 R)
• M2: 530,025 km (0.025 R)
• M3: 1,384,379 km (0.061 R)
• M4: 1,773,034 km (0.071 R)
• M5: 3,018,137 km (0.029 R)
• M6: 3,718,853 km (0.118 R)
• M7: 4,287,325 km (0.1 R)
• M8: 5,374,004 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.4

Radius: 11.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.97 AU - 2.71 AU

Year: 2348 Days

Day: 10.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,323,981 km

• M1: 147,952 km (0.093 R)
• M2: 733,628 km (0.039 R)
• M3: 1,978,133 km (0.113 R)
• M4: 2,447,122 km (0.085 R)
• M5: 3,082,763 km (0.108 R)
• M6: 3,771,811 km (0.117 R)
• M7: 6,441,086 km (0.05 R)
• M8: 11,624,802 km (0.111 R)
• M9: 12,746,337 km (0.047 R)
• M10: 13,807,435 km (0.105 R)
• M11: 14,292,581 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 14.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.11 AU - 4.11 AU

Year: 4500 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,323,981 km

• M1: 219,909 km (0.04 R)
• M2: 675,135 km (0.101 R)
• M3: 1,282,203 km (0.089 R)
• M4: 1,918,593 km (0.049 R)
• M5: 3,071,992 km (0.086 R)
• M6: 4,002,940 km (0.117 R)
• M7: 4,692,736 km (0.054 R)
• M8: 6,255,884 km (0.077 R)
• M9: 6,976,198 km (0.098 R)
• M10: 7,848,353 km (0.098 R)
• M11: 8,549,070 km (0.093 R)
• M12: 10,230,699 km (0.075 R)
• M13: 11,027,158 km (0.077 R)
• M14: 14,047,390 km (0.071 R)
• M15: 15,387,039 km (0.03 R)
• M16: 16,061,725 km (0.12 R)
• M17: 16,973,674 km (0.118 R)
• M18: 17,694,137 km (0.107 R)
• M19: 20,907,499 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 14

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.03 AU - 5.01 AU

Year: 6304 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,323,981 km

• M1: 174,282 km (0.056 R)
• M2: 837,598 km (0.108 R)
• M3: 1,286,990 km (0.11 R)
• M4: 1,729,351 km (0.096 R)
• M5: 2,197,443 km (0.112 R)
• M6: 2,733,153 km (0.116 R)
• M7: 3,701,799 km (0.109 R)
• M8: 4,441,710 km (0.075 R)
• M9: 5,452,394 km (0.077 R)
• M10: 6,091,177 km (0.086 R)
• M11: 6,544,458 km (0.094 R)
• M12: 7,483,035 km (0.034 R)
• M13: 8,042,082 km (0.109 R)
• M14: 9,328,774 km (0.091 R)
• M15: 12,054,746 km (0.114 R)
• M16: 12,564,576 km (0.104 R)
• M17: 14,013,431 km (0.03 R)
• M18: 14,520,418 km (0.051 R)
• M19: 14,981,329 km (0.091 R)
• M20: 15,811,448 km (0.11 R)
• M21: 17,369,958 km (0.041 R)
• M22: 18,153,402 km (0.113 R)
• M23: 20,286,818 km (0.095 R)
• M24: 23,437,349 km (0.073 R)
• M25: 25,129,002 km (0.106 R)
• M26: 27,509,552 km (0.049 R)
• M27: 29,482,748 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.1

Radius: 6.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.56 AU - 7.42 AU

Year: 10846 Days

Day: 17.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,323,981 km

• M1: 127,906 km (0.073 R)
• M2: 341,233 km (0.051 R)
• M3: 615,595 km (0.096 R)
• M4: 951,592 km (0.108 R)
• M5: 2,752,451 km (0.12 R)
• M6: 3,187,781 km (0.088 R)
• M7: 4,525,784 km (0.04 R)
• M8: 6,630,477 km (0.111 R)
• M9: 6,884,344 km (0.116 R)
• M10: 8,885,814 km (0.107 R)
• M11: 9,510,834 km (0.086 R)
• M12: 12,787,476 km (0.107 R)
• M13: 14,624,538 km (0.099 R)
• M14: 15,661,551 km (0.12 R)
• M15: 25,941,168 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.2

Radius: 6.7

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.34 AU - 10.66 AU

Year: 22320 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,323,981 km

• M1: 83,476 km (0.079 R)
• M2: 424,409 km (0.095 R)
• M3: 1,461,721 km (0.063 R)
• M4: 1,925,624 km (0.092 R)
• M5: 2,911,474 km (0.103 R)
• M6: 3,500,441 km (0.088 R)
• M7: 4,133,988 km (0.094 R)
• M8: 4,877,040 km (0.097 R)
• M9: 5,205,408 km (0.059 R)
• M10: 6,322,305 km (0.093 R)
• M11: 6,801,916 km (0.102 R)
• M12: 8,752,822 km (0.027 R)
• M13: 10,029,191 km (0.093 R)
• M14: 11,424,939 km (0.084 R)
• M15: 13,433,889 km (0.11 R)
• M16: 13,646,916 km (0.045 R)
• M17: 14,226,159 km (0.116 R)
• M18: 14,596,414 km (0.093 R)
• M19: 18,748,054 km (0.088 R)
• M20: 20,664,851 km (0.068 R)
• M21: 22,111,463 km (0.082 R)
• M22: 24,039,031 km (0.115 R)
• M23: 26,076,106 km (0.08 R)
• M24: 30,858,301 km (0.118 R)
• M25: 36,468,819 km (0.11 R)
• M26: 37,162,205 km (0.06 R)
• M27: 38,575,606 km (0.112 R)
• M28: 39,440,431 km (0.1 R)
• M29: 40,024,312 km (0.096 R)
• M30: 49,655,273 km (0.084 R)
• M31: 53,120,558 km (0.114 R)
• M32: 55,275,366 km (0.036 R)
• M33: 56,006,301 km (0.041 R)
• M34: 61,695,807 km (0.115 R)
• M35: 67,967,100 km (0.106 R)
• M36: 70,504,579 km (0.115 R)
• M37: 72,885,429 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 19,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit