🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 14.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.42 AU - 0.6 AU

Year: 247 Days

Day: 14 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,064,068 km

• M1: 185,352 km (0.038 R)
• M2: 727,943 km (0.05 R)
• M3: 1,565,542 km (0.038 R)
• M4: 2,196,695 km (0.069 R)
• M5: 2,881,255 km (0.034 R)
• M6: 3,442,845 km (0.116 R)
• M7: 3,946,990 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 13

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.57 AU - 0.59 AU

Year: 300 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,064,068 km

• M1: 161,715 km (0.11 R)
• M2: 611,855 km (0.109 R)
• M3: 1,307,037 km (0.118 R)
• M4: 1,760,019 km (0.118 R)
• M5: 3,738,600 km (0.093 R)
• M6: 4,226,289 km (0.029 R)
• M7: 5,089,619 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 10.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.74 AU - 0.98 AU

Year: 541 Days

Day: 11.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,064,068 km

• M1: 129,552 km (0.078 R)
• M2: 513,719 km (0.081 R)
• M3: 855,101 km (0.114 R)
• M4: 1,201,720 km (0.083 R)
• M5: 2,212,253 km (0.103 R)
• M6: 2,681,542 km (0.114 R)
• M7: 3,042,073 km (0.084 R)
• M8: 4,165,702 km (0.034 R)
• M9: 4,869,411 km (0.095 R)
• M10: 6,341,454 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 14

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.74 AU - 2.88 AU

Year: 2381 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,064,068 km

• M1: 174,282 km (0.09 R)
• M2: 625,469 km (0.112 R)
• M3: 1,083,089 km (0.111 R)
• M4: 1,610,870 km (0.119 R)
• M5: 2,246,810 km (0.086 R)
• M6: 2,712,060 km (0.113 R)
• M7: 4,187,693 km (0.082 R)
• M8: 4,661,470 km (0.06 R)
• M9: 5,310,126 km (0.103 R)
• M10: 7,328,949 km (0.065 R)
• M11: 7,836,236 km (0.108 R)
• M12: 9,996,728 km (0.059 R)
• M13: 10,472,449 km (0.079 R)
• M14: 11,469,669 km (0.073 R)
• M15: 12,487,383 km (0.061 R)
• M16: 14,012,085 km (0.036 R)
• M17: 14,655,655 km (0.1 R)
• M18: 15,175,058 km (0.072 R)
• M19: 18,120,042 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 13.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.38 AU - 2.54 AU

Year: 2617 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,064,068 km

• M1: 169,345 km (0.044 R)
• M2: 1,739,374 km (0.089 R)
• M3: 3,524,825 km (0.041 R)
• M4: 4,941,966 km (0.097 R)
• M5: 5,712,245 km (0.096 R)
• M6: 10,308,191 km (0.029 R)
• M7: 11,897,219 km (0.103 R)
• M8: 12,847,615 km (0.107 R)
• M9: 13,848,125 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 9.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.67 AU - 3.09 AU

Year: 3315 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,064,068 km

• M1: 123,717 km (0.087 R)
• M2: 534,812 km (0.102 R)
• M3: 1,445,115 km (0.083 R)
• M4: 2,534,786 km (0.103 R)
• M5: 2,833,533 km (0.062 R)
• M6: 4,978,318 km (0.111 R)
• M7: 6,993,401 km (0.118 R)
• M8: 9,133,698 km (0.107 R)
• M9: 9,534,321 km (0.07 R)
• M10: 10,806,950 km (0.107 R)
• M11: 11,293,293 km (0.065 R)
• M12: 11,911,880 km (0.09 R)
• M13: 14,524,158 km (0.106 R)
• M14: 15,725,279 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 9.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.73 AU - 4.05 AU

Year: 5204 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,064,068 km

• M1: 120,875 km (0.086 R)
• M2: 547,977 km (0.097 R)
• M3: 1,194,689 km (0.116 R)
• M4: 2,089,433 km (0.047 R)
• M5: 2,790,599 km (0.12 R)
• M6: 3,168,034 km (0.104 R)
• M7: 4,462,654 km (0.052 R)
• M8: 6,021,464 km (0.119 R)
• M9: 6,439,291 km (0.088 R)
• M10: 7,706,086 km (0.102 R)
• M11: 8,020,540 km (0.068 R)
• M12: 11,030,300 km (0.093 R)
• M13: 13,578,849 km (0.101 R)
• M14: 14,668,071 km (0.112 R)
• M15: 16,381,116 km (0.108 R)
• M16: 16,902,465 km (0.065 R)
• M17: 18,909,470 km (0.102 R)
• M18: 19,612,430 km (0.098 R)
• M19: 20,068,704 km (0.068 R)
• M20: 21,342,979 km (0.059 R)
• M21: 22,105,030 km (0.106 R)
• M22: 24,052,196 km (0.1 R)
• M23: 24,650,438 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.5

Radius: 13.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.29 AU - 4.97 AU

Year: 6757 Days

Day: 5.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,064,068 km

• M1: 164,258 km (0.118 R)
• M2: 601,832 km (0.057 R)
• M3: 1,063,940 km (0.093 R)
• M4: 1,530,685 km (0.07 R)
• M5: 1,947,914 km (0.086 R)
• M6: 2,588,193 km (0.087 R)
• M7: 3,618,473 km (0.092 R)
• M8: 4,189,040 km (0.087 R)
• M9: 4,935,084 km (0.077 R)
• M10: 5,480,368 km (0.092 R)
• M11: 6,235,538 km (0.104 R)
• M12: 7,713,565 km (0.076 R)
• M13: 9,505,000 km (0.071 R)
• M14: 10,207,661 km (0.11 R)
• M15: 12,746,786 km (0.098 R)
• M16: 13,312,715 km (0.073 R)
• M17: 13,836,307 km (0.095 R)
• M18: 15,426,383 km (0.057 R)
• M19: 20,616,681 km (0.065 R)
• M20: 22,686,966 km (0.119 R)
• M21: 23,100,454 km (0.096 R)
• M22: 27,423,833 km (0.114 R)
• M23: 39,392,261 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.5

Radius: 6.4

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.53 AU - 7.85 AU

Year: 11736 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,064,068 km

• M1: 79,586 km (0.104 R)
• M2: 284,984 km (0.081 R)
• M3: 538,702 km (0.085 R)
• M4: 1,155,943 km (0.06 R)
• M5: 1,510,789 km (0.099 R)
• M6: 1,802,355 km (0.107 R)
• M7: 2,281,218 km (0.072 R)
• M8: 2,623,947 km (0.101 R)
• M9: 3,312,396 km (0.107 R)
• M10: 3,945,045 km (0.118 R)
• M11: 4,942,414 km (0.101 R)
• M12: 8,786,332 km (0.07 R)
• M13: 9,886,026 km (0.101 R)
• M14: 11,018,482 km (0.109 R)
• M15: 11,243,626 km (0.076 R)
• M16: 13,992,936 km (0.054 R)
• M17: 16,200,402 km (0.067 R)
• M18: 18,471,447 km (0.071 R)
• M19: 22,895,805 km (0.1 R)
• M20: 24,770,116 km (0.041 R)
• M21: 29,572,956 km (0.095 R)
• M22: 30,337,551 km (0.098 R)
• M23: 35,693,304 km (0.06 R)
• M24: 39,637,452 km (0.089 R)
• M25: 43,022,552 km (0.092 R)
• M26: 44,571,190 km (0.102 R)
• M27: 46,010,920 km (0.113 R)
• M28: 46,889,508 km (0.09 R)
• M29: 52,555,976 km (0.103 R)
• M30: 52,874,769 km (0.084 R)
• M31: 53,355,128 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.3

Radius: 5.2

Gravity: 32.26 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.12 AU - 8.56 AU

Year: 16336 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 72,064,068 km

• M1: 65,075 km (0.09 R)
• M2: 400,025 km (0.111 R)
• M3: 712,535 km (0.084 R)
• M4: 1,035,367 km (0.115 R)
• M5: 1,258,567 km (0.105 R)
• M6: 1,435,092 km (0.026 R)
• M7: 1,662,182 km (0.095 R)
• M8: 1,989,203 km (0.033 R)
• M9: 2,168,421 km (0.11 R)
• M10: 3,099,069 km (0.12 R)
• M11: 4,434,978 km (0.1 R)
• M12: 4,638,132 km (0.114 R)
• M13: 5,026,937 km (0.072 R)
• M14: 5,670,208 km (0.104 R)
• M15: 6,114,663 km (0.098 R)
• M16: 6,452,156 km (0.072 R)
• M17: 6,846,795 km (0.043 R)
• M18: 7,118,615 km (0.077 R)
• M19: 8,027,272 km (0.115 R)
• M20: 9,956,486 km (0.116 R)
• M21: 10,966,721 km (0.104 R)
• M22: 11,151,923 km (0.105 R)
• M23: 12,373,240 km (0.049 R)
• M24: 13,539,355 km (0.096 R)
• M25: 17,982,262 km (0.085 R)
• M26: 20,020,533 km (0.09 R)
• M27: 20,390,190 km (0.051 R)
• M28: 23,717,097 km (0.067 R)
• M29: 23,923,392 km (0.084 R)
• M30: 24,654,776 km (0.091 R)
• M31: 25,186,298 km (0.119 R)
• M32: 27,844,053 km (0.055 R)
• M33: 34,495,623 km (0.05 R)
• M34: 36,241,431 km (0.108 R)
• M35: 45,382,758 km (0.115 R)
• M36: 47,150,257 km (0.071 R)
• M37: 50,310,512 km (0.085 R)
• M38: 54,679,817 km (0.087 R)
• M39: 55,583,089 km (0.041 R)
• M40: 56,679,940 km (0.038 R)
• M41: 59,295,510 km (0.094 R)
• M42: 67,829,919 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 17,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit