🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 12.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.57 AU

Year: 990 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,197,082 km

• M1: 153,039 km (0.102 R)
• M2: 559,047 km (0.112 R)
• M3: 1,054,216 km (0.108 R)
• M4: 1,933,702 km (0.084 R)
• M5: 2,418,698 km (0.067 R)
• M6: 3,098,022 km (0.083 R)
• M7: 3,525,124 km (0.117 R)
• M8: 5,473,038 km (0.117 R)
• M9: 7,715,809 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 8.9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.84 AU - 2.56 AU

Year: 2107 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,197,082 km

• M1: 112,498 km (0.063 R)
• M2: 416,929 km (0.098 R)
• M3: 1,144,424 km (0.097 R)
• M4: 2,519,976 km (0.05 R)
• M5: 2,830,841 km (0.098 R)
• M6: 3,135,571 km (0.11 R)
• M7: 3,530,360 km (0.099 R)
• M8: 3,829,855 km (0.115 R)
• M9: 4,242,745 km (0.063 R)
• M10: 4,623,023 km (0.097 R)
• M11: 4,917,731 km (0.075 R)
• M12: 5,544,995 km (0.105 R)
• M13: 6,024,905 km (0.078 R)
• M14: 6,377,058 km (0.073 R)
• M15: 7,374,726 km (0.112 R)
• M16: 8,660,969 km (0.085 R)
• M17: 9,986,107 km (0.102 R)
• M18: 10,770,149 km (0.032 R)
• M19: 11,214,604 km (0.115 R)
• M20: 11,865,505 km (0.062 R)
• M21: 12,339,730 km (0.065 R)
• M22: 14,722,674 km (0.111 R)
• M23: 15,132,273 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.3

Radius: 12.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.95 AU - 3.03 AU

Year: 3338 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,197,082 km

• M1: 151,393 km (0.105 R)
• M2: 907,760 km (0.108 R)
• M3: 1,782,309 km (0.087 R)
• M4: 2,553,037 km (0.051 R)
• M5: 3,108,943 km (0.094 R)
• M6: 3,673,675 km (0.111 R)
• M7: 6,516,184 km (0.114 R)
• M8: 6,970,064 km (0.09 R)
• M9: 7,359,617 km (0.117 R)
• M10: 8,428,942 km (0.066 R)
• M11: 9,531,329 km (0.034 R)
• M12: 11,097,768 km (0.117 R)
• M13: 11,864,009 km (0.081 R)
• M14: 12,829,513 km (0.1 R)
• M15: 13,890,312 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 11.7

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.28 AU - 4.68 AU

Year: 5127 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,197,082 km

• M1: 145,559 km (0.062 R)
• M2: 773,271 km (0.077 R)
• M3: 1,436,588 km (0.108 R)
• M4: 3,019,184 km (0.101 R)
• M5: 4,464,449 km (0.079 R)
• M6: 5,027,087 km (0.099 R)
• M7: 6,038,368 km (0.082 R)
• M8: 6,830,340 km (0.067 R)
• M9: 7,765,177 km (0.089 R)
• M10: 9,072,213 km (0.1 R)
• M11: 10,246,557 km (0.079 R)
• M12: 10,941,289 km (0.025 R)
• M13: 12,684,852 km (0.06 R)
• M14: 13,269,182 km (0.082 R)
• M15: 13,760,611 km (0.091 R)
• M16: 14,377,702 km (0.07 R)
• M17: 15,909,734 km (0.101 R)
• M18: 17,224,400 km (0.119 R)
• M19: 18,408,018 km (0.106 R)
• M20: 20,212,168 km (0.115 R)
• M21: 21,528,330 km (0.085 R)
• M22: 24,088,698 km (0.119 R)
• M23: 25,067,966 km (0.096 R)
• M24: 25,904,218 km (0.115 R)
• M25: 30,461,268 km (0.106 R)
• M26: 30,839,751 km (0.059 R)
• M27: 32,681,001 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.3

Radius: 12.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.03 AU - 4.15 AU

Year: 5341 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,197,082 km

• M1: 160,519 km (0.077 R)
• M2: 619,036 km (0.112 R)
• M3: 1,160,281 km (0.086 R)
• M4: 1,945,670 km (0.112 R)
• M5: 2,442,484 km (0.033 R)
• M6: 2,856,571 km (0.052 R)
• M7: 3,828,808 km (0.096 R)
• M8: 4,617,637 km (0.104 R)
• M9: 5,540,806 km (0.118 R)
• M10: 8,975,723 km (0.118 R)
• M11: 10,411,862 km (0.082 R)
• M12: 13,364,176 km (0.118 R)
• M13: 14,113,362 km (0.076 R)
• M14: 14,890,374 km (0.101 R)
• M15: 15,695,809 km (0.107 R)
• M16: 16,590,703 km (0.12 R)
• M17: 17,019,899 km (0.068 R)
• M18: 17,519,407 km (0.071 R)
• M19: 17,964,460 km (0.069 R)
• M20: 20,724,840 km (0.11 R)
• M21: 22,540,510 km (0.099 R)
• M22: 23,219,385 km (0.096 R)
• M23: 24,697,412 km (0.027 R)
• M24: 26,403,127 km (0.104 R)
• M25: 28,885,853 km (0.032 R)
• M26: 30,138,436 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.7

Radius: 12.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.26 AU - 6.6 AU

Year: 8170 Days

Day: 5.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,197,082 km

• M1: 154,235 km (0.112 R)
• M2: 705,653 km (0.09 R)
• M3: 1,226,703 km (0.057 R)
• M4: 1,660,536 km (0.062 R)
• M5: 2,226,914 km (0.097 R)
• M6: 2,937,803 km (0.084 R)
• M7: 4,123,067 km (0.119 R)
• M8: 4,938,675 km (0.119 R)
• M9: 6,091,177 km (0.094 R)
• M10: 6,543,860 km (0.077 R)
• M11: 7,116,670 km (0.071 R)
• M12: 8,436,273 km (0.086 R)
• M13: 8,847,218 km (0.044 R)
• M14: 9,468,947 km (0.067 R)
• M15: 12,251,467 km (0.049 R)
• M16: 14,455,193 km (0.116 R)
• M17: 15,428,627 km (0.114 R)
• M18: 16,215,661 km (0.084 R)
• M19: 17,088,415 km (0.116 R)
• M20: 17,566,530 km (0.066 R)
• M21: 18,176,740 km (0.077 R)
• M22: 20,291,156 km (0.091 R)
• M23: 21,580,390 km (0.085 R)
• M24: 24,321,771 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882

Radius: 10.1

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.3 AU - 6.02 AU

Year: 8694 Days

Day: 10 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,197,082 km

• M1: 132,693 km (0.065 R)
• M2: 748,289 km (0.063 R)
• M3: 1,550,732 km (0.094 R)
• M4: 1,922,781 km (0.106 R)
• M5: 2,871,681 km (0.103 R)
• M6: 3,438,956 km (0.065 R)
• M7: 5,597,803 km (0.034 R)
• M8: 6,155,055 km (0.119 R)
• M9: 6,596,967 km (0.073 R)
• M10: 7,299,479 km (0.084 R)
• M11: 8,945,803 km (0.083 R)
• M12: 9,321,743 km (0.087 R)
• M13: 12,199,258 km (0.113 R)
• M14: 13,622,980 km (0.054 R)
• M15: 16,237,054 km (0.092 R)
• M16: 19,715,803 km (0.112 R)
• M17: 22,350,071 km (0.066 R)
• M18: 22,781,961 km (0.107 R)
• M19: 27,906,436 km (0.085 R)
• M20: 28,812,251 km (0.05 R)
• M21: 41,520,141 km (0.11 R)
• M22: 45,956,466 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568

Radius: 5.6

Gravity: 18.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.8 AU - 8.76 AU

Year: 12683 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,197,082 km

• M1: 69,713 km (0.059 R)
• M2: 347,217 km (0.065 R)
• M3: 1,177,485 km (0.079 R)
• M4: 2,387,432 km (0.063 R)
• M5: 6,081,153 km (0.099 R)
• M6: 6,538,474 km (0.098 R)
• M7: 8,836,447 km (0.115 R)
• M8: 10,191,953 km (0.094 R)
• M9: 10,511,046 km (0.066 R)
• M10: 13,120,332 km (0.105 R)
• M11: 17,530,776 km (0.118 R)
• M12: 21,077,742 km (0.114 R)
• M13: 29,873,348 km (0.093 R)
• M14: 33,468,634 km (0.084 R)
• M15: 36,347,047 km (0.071 R)
• M16: 38,997,323 km (0.085 R)
• M17: 50,120,822 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.8

Radius: 3.8

Gravity: 44.17 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.96 AU - 7.96 AU

Year: 13156 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,197,082 km

• M1: 47,273 km (0.109 R)
• M2: 222,003 km (0.064 R)
• M3: 444,754 km (0.093 R)
• M4: 636,988 km (0.089 R)
• M5: 1,057,059 km (0.117 R)
• M6: 1,819,110 km (0.068 R)
• M7: 2,177,247 km (0.055 R)
• M8: 2,496,190 km (0.093 R)
• M9: 2,645,190 km (0.077 R)
• M10: 3,455,412 km (0.041 R)
• M11: 4,237,060 km (0.056 R)
• M12: 4,357,636 km (0.043 R)
• M13: 4,701,113 km (0.103 R)
• M14: 6,179,738 km (0.094 R)
• M15: 7,451,919 km (0.088 R)
• M16: 8,742,350 km (0.093 R)
• M17: 9,855,358 km (0.071 R)
• M18: 10,777,629 km (0.053 R)
• M19: 11,059,471 km (0.041 R)
• M20: 11,874,929 km (0.087 R)
• M21: 12,917,926 km (0.066 R)
• M22: 13,624,476 km (0.094 R)
• M23: 14,356,459 km (0.086 R)
• M24: 15,538,731 km (0.096 R)
• M25: 15,681,896 km (0.036 R)
• M26: 16,634,386 km (0.088 R)
• M27: 17,315,954 km (0.082 R)
• M28: 18,333,069 km (0.062 R)
• M29: 19,060,115 km (0.074 R)
• M30: 25,086,965 km (0.079 R)
• M31: 25,383,019 km (0.057 R)
• M32: 28,473,711 km (0.114 R)
• M33: 33,090,301 km (0.118 R)
• M34: 33,685,401 km (0.119 R)
• M35: 35,761,670 km (0.093 R)
• M36: 36,262,374 km (0.116 R)
• M37: 43,344,188 km (0.067 R)
• M38: 43,770,392 km (0.114 R)
• M39: 45,357,626 km (0.098 R)
• M40: 53,056,979 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 10,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit