🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 12.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.69 AU - 0.85 AU

Year: 451 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,359,115 km

• M1: 151,692 km (0.111 R)
• M2: 622,178 km (0.075 R)
• M3: 1,226,403 km (0.083 R)
• M4: 1,684,622 km (0.104 R)
• M5: 2,248,606 km (0.061 R)
• M6: 2,665,535 km (0.061 R)
• M7: 3,089,645 km (0.096 R)
• M8: 3,633,283 km (0.117 R)
• M9: 4,075,495 km (0.094 R)
• M10: 4,466,693 km (0.101 R)
• M11: 4,929,250 km (0.112 R)
• M12: 5,968,506 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.9

Radius: 8.4

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.9 AU - 1.5 AU

Year: 877 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,359,115 km

• M1: 106,663 km (0.108 R)
• M2: 392,395 km (0.066 R)
• M3: 794,963 km (0.059 R)
• M4: 1,204,263 km (0.094 R)
• M5: 1,565,093 km (0.11 R)
• M6: 2,552,439 km (0.115 R)
• M7: 3,127,493 km (0.115 R)
• M8: 3,609,797 km (0.081 R)
• M9: 4,172,733 km (0.104 R)
• M10: 5,473,038 km (0.061 R)
• M11: 6,049,887 km (0.116 R)
• M12: 6,979,040 km (0.093 R)
• M13: 7,465,981 km (0.1 R)
• M14: 8,822,684 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 9.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.44 AU - 2.06 AU

Year: 1544 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 160 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,359,115 km

• M1: 125,363 km (0.064 R)
• M2: 547,379 km (0.054 R)
• M3: 968,646 km (0.037 R)
• M4: 1,378,844 km (0.082 R)
• M5: 1,696,141 km (0.063 R)
• M6: 2,230,953 km (0.116 R)
• M7: 2,570,391 km (0.087 R)
• M8: 3,130,335 km (0.093 R)
• M9: 3,463,191 km (0.112 R)
• M10: 3,786,322 km (0.085 R)
• M11: 5,182,968 km (0.12 R)
• M12: 6,009,197 km (0.101 R)
• M13: 6,550,442 km (0.12 R)
• M14: 7,047,406 km (0.067 R)
• M15: 7,515,797 km (0.061 R)
• M16: 7,894,429 km (0.103 R)
• M17: 8,956,873 km (0.093 R)
• M18: 9,382,928 km (0.065 R)
• M19: 10,047,143 km (0.068 R)
• M20: 10,776,283 km (0.114 R)
• M21: 12,118,475 km (0.075 R)
• M22: 12,791,665 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.7

Radius: 8.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.94 AU - 2.38 AU

Year: 2117 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,359,115 km

• M1: 110,852 km (0.056 R)
• M2: 408,402 km (0.116 R)
• M3: 835,355 km (0.114 R)
• M4: 1,451,099 km (0.095 R)
• M5: 1,932,804 km (0.117 R)
• M6: 2,223,623 km (0.053 R)
• M7: 2,688,423 km (0.119 R)
• M8: 3,795,747 km (0.097 R)
• M9: 4,146,404 km (0.09 R)
• M10: 4,576,498 km (0.104 R)
• M11: 5,098,295 km (0.098 R)
• M12: 5,395,247 km (0.096 R)
• M13: 6,356,713 km (0.114 R)
• M14: 6,827,497 km (0.102 R)
• M15: 7,428,282 km (0.026 R)
• M16: 7,783,128 km (0.095 R)
• M17: 8,120,771 km (0.059 R)
• M18: 11,398,759 km (0.093 R)
• M19: 12,281,686 km (0.108 R)
• M20: 12,585,968 km (0.088 R)
• M21: 13,091,160 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.7

Radius: 7.3

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.85 AU - 7.41 AU

Year: 11384 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,359,115 km

• M1: 92,003 km (0.101 R)
• M2: 344,673 km (0.117 R)
• M3: 898,934 km (0.103 R)
• M4: 1,246,001 km (0.073 R)
• M5: 1,548,787 km (0.115 R)
• M6: 1,835,715 km (0.082 R)
• M7: 2,304,555 km (0.117 R)
• M8: 2,680,495 km (0.07 R)
• M9: 3,236,849 km (0.075 R)
• M10: 3,505,078 km (0.118 R)
• M11: 4,114,091 km (0.08 R)
• M12: 4,488,235 km (0.098 R)
• M13: 4,791,470 km (0.096 R)
• M14: 5,713,741 km (0.107 R)
• M15: 6,986,819 km (0.036 R)
• M16: 7,732,415 km (0.099 R)
• M17: 8,901,522 km (0.114 R)
• M18: 9,777,118 km (0.103 R)
• M19: 10,655,707 km (0.042 R)
• M20: 13,357,295 km (0.12 R)
• M21: 13,606,525 km (0.107 R)
• M22: 14,437,691 km (0.085 R)
• M23: 18,102,988 km (0.077 R)
• M24: 21,910,553 km (0.116 R)
• M25: 22,784,354 km (0.064 R)
• M26: 23,051,087 km (0.095 R)
• M27: 29,039,041 km (0.088 R)
• M28: 29,986,444 km (0.116 R)
• M29: 34,330,617 km (0.109 R)
• M30: 34,681,125 km (0.048 R)
• M31: 36,591,340 km (0.063 R)
• M32: 40,881,358 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.7

Radius: 3.7

Gravity: 41.47 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.75 AU - 9.65 AU

Year: 15659 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,359,115 km

• M1: 47,722 km (0.069 R)
• M2: 198,666 km (0.119 R)
• M3: 468,690 km (0.098 R)
• M4: 657,333 km (0.085 R)
• M5: 971,339 km (0.037 R)
• M6: 1,213,837 km (0.063 R)
• M7: 1,667,717 km (0.11 R)
• M8: 2,246,062 km (0.104 R)
• M9: 3,427,736 km (0.088 R)
• M10: 4,166,301 km (0.096 R)
• M11: 5,798,264 km (0.119 R)
• M12: 6,839,465 km (0.072 R)
• M13: 7,010,007 km (0.065 R)
• M14: 7,720,597 km (0.028 R)
• M15: 8,140,817 km (0.107 R)
• M16: 12,067,312 km (0.095 R)
• M17: 12,760,698 km (0.029 R)
• M18: 14,504,411 km (0.097 R)
• M19: 15,143,344 km (0.063 R)
• M20: 18,870,126 km (0.12 R)
• M21: 23,356,416 km (0.06 R)
• M22: 28,067,104 km (0.05 R)
• M23: 29,057,292 km (0.11 R)
• M24: 32,406,040 km (0.076 R)
• M25: 34,484,104 km (0.109 R)
• M26: 34,609,019 km (0.054 R)
• M27: 35,364,937 km (0.094 R)
• M28: 45,162,101 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.9

Radius: 5.5

Gravity: 24.2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.07 AU - 10.13 AU

Year: 19835 Days

Day: 16.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,359,115 km

• M1: 69,413 km (0.115 R)
• M2: 276,008 km (0.087 R)
• M3: 972,536 km (0.067 R)
• M4: 1,442,572 km (0.112 R)
• M5: 1,640,939 km (0.082 R)
• M6: 1,857,557 km (0.082 R)
• M7: 3,133,178 km (0.101 R)
• M8: 4,079,384 km (0.082 R)
• M9: 5,052,219 km (0.094 R)
• M10: 5,552,774 km (0.085 R)
• M11: 5,794,674 km (0.1 R)
• M12: 6,299,716 km (0.092 R)
• M13: 7,111,584 km (0.078 R)
• M14: 8,041,783 km (0.113 R)
• M15: 11,252,602 km (0.111 R)
• M16: 11,640,510 km (0.1 R)
• M17: 12,171,432 km (0.119 R)
• M18: 12,442,803 km (0.101 R)
• M19: 13,210,240 km (0.049 R)
• M20: 14,609,279 km (0.096 R)
• M21: 15,462,885 km (0.118 R)
• M22: 18,847,836 km (0.117 R)
• M23: 19,672,120 km (0.09 R)
• M24: 23,314,529 km (0.077 R)
• M25: 25,459,164 km (0.094 R)
• M26: 27,382,394 km (0.102 R)
• M27: 30,259,610 km (0.095 R)
• M28: 35,216,835 km (0.096 R)
• M29: 36,185,481 km (0.103 R)
• M30: 42,063,480 km (0.112 R)
• M31: 45,552,402 km (0.065 R)
• M32: 47,534,574 km (0.063 R)
• M33: 54,372,543 km (0.082 R)
• M34: 55,293,916 km (0.097 R)
• M35: 61,638,063 km (0.07 R)
• M36: 68,664,226 km (0.108 R)
• M37: 77,127,426 km (0.127 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 14,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit