🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 11.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.79 AU - 0.87 AU

Year: 488 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,444,145 km

• M1: 146,756 km (0.118 R)
• M2: 455,376 km (0.116 R)
• M3: 901,626 km (0.12 R)
• M4: 1,322,595 km (0.108 R)
• M5: 1,576,014 km (0.109 R)
• M6: 1,813,575 km (0.043 R)
• M7: 2,050,987 km (0.101 R)
• M8: 2,363,347 km (0.026 R)
• M9: 2,587,146 km (0.115 R)
• M10: 2,836,076 km (0.085 R)
• M11: 3,174,018 km (0.112 R)
• M12: 3,466,931 km (0.091 R)
• M13: 3,705,988 km (0.036 R)
• M14: 4,500,502 km (0.062 R)
• M15: 4,725,946 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 14.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.75 AU - 1.05 AU

Year: 551 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,444,145 km

• M1: 175,628 km (0.118 R)
• M2: 604,226 km (0.117 R)
• M3: 878,289 km (0.078 R)
• M4: 1,329,027 km (0.103 R)
• M5: 1,717,234 km (0.102 R)
• M6: 2,200,285 km (0.075 R)
• M7: 3,117,620 km (0.118 R)
• M8: 3,420,555 km (0.061 R)
• M9: 4,169,592 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 9.3

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.99 AU - 1.51 AU

Year: 902 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,444,145 km

• M1: 155,881 km (0.12 R)
• M2: 569,818 km (0.115 R)
• M3: 980,016 km (0.101 R)
• M4: 1,304,643 km (0.106 R)
• M5: 1,604,138 km (0.052 R)
• M6: 1,960,630 km (0.119 R)
• M7: 2,268,203 km (0.104 R)
• M8: 2,726,421 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 10.1

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.75 AU - 2.25 AU

Year: 1826 Days

Day: 6.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,444,145 km

• M1: 125,812 km (0.082 R)
• M2: 706,551 km (0.098 R)
• M3: 1,294,620 km (0.111 R)
• M4: 1,588,879 km (0.089 R)
• M5: 1,850,077 km (0.027 R)
• M6: 2,097,811 km (0.047 R)
• M7: 2,424,383 km (0.066 R)
• M8: 3,152,775 km (0.114 R)
• M9: 3,493,409 km (0.082 R)
• M10: 4,030,316 km (0.073 R)
• M11: 4,229,132 km (0.105 R)
• M12: 4,624,220 km (0.091 R)
• M13: 4,946,154 km (0.081 R)
• M14: 5,204,211 km (0.06 R)
• M15: 6,099,404 km (0.107 R)
• M16: 7,023,620 km (0.117 R)
• M17: 8,703,604 km (0.09 R)
• M18: 10,194,945 km (0.117 R)
• M19: 10,646,880 km (0.074 R)
• M20: 11,026,560 km (0.076 R)
• M21: 12,877,086 km (0.111 R)
• M22: 13,718,873 km (0.097 R)
• M23: 15,032,192 km (0.058 R)
• M24: 15,483,380 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 11.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.53 AU - 3.99 AU

Year: 3801 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,444,145 km

• M1: 140,024 km (0.106 R)
• M2: 428,299 km (0.111 R)
• M3: 845,527 km (0.119 R)
• M4: 1,175,241 km (0.102 R)
• M5: 1,422,227 km (0.101 R)
• M6: 1,869,375 km (0.069 R)
• M7: 2,723,878 km (0.104 R)
• M8: 3,034,742 km (0.112 R)
• M9: 3,400,958 km (0.115 R)
• M10: 4,763,944 km (0.11 R)
• M11: 6,081,004 km (0.105 R)
• M12: 6,627,485 km (0.106 R)
• M13: 6,896,163 km (0.1 R)
• M14: 9,147,012 km (0.085 R)
• M15: 10,511,046 km (0.117 R)
• M16: 10,747,709 km (0.04 R)
• M17: 13,565,685 km (0.1 R)
• M18: 15,260,778 km (0.034 R)
• M19: 17,185,803 km (0.087 R)
• M20: 21,574,556 km (0.042 R)
• M21: 23,049,142 km (0.12 R)
• M22: 23,957,351 km (0.099 R)
• M23: 25,615,494 km (0.092 R)
• M24: 26,145,220 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 12.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.54 AU - 4.14 AU

Year: 3941 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,444,145 km

• M1: 173,833 km (0.092 R)
• M2: 419,772 km (0.106 R)
• M3: 1,842,148 km (0.031 R)
• M4: 2,155,107 km (0.068 R)
• M5: 2,510,851 km (0.087 R)
• M6: 2,775,489 km (0.035 R)
• M7: 3,309,703 km (0.107 R)
• M8: 3,614,883 km (0.107 R)
• M9: 4,057,543 km (0.062 R)
• M10: 4,771,723 km (0.101 R)
• M11: 5,046,235 km (0.11 R)
• M12: 5,570,277 km (0.098 R)
• M13: 8,651,394 km (0.086 R)
• M14: 9,594,160 km (0.07 R)
• M15: 10,962,831 km (0.081 R)
• M16: 13,019,652 km (0.098 R)
• M17: 13,322,738 km (0.086 R)
• M18: 13,861,440 km (0.069 R)
• M19: 16,717,263 km (0.105 R)
• M20: 17,104,123 km (0.051 R)
• M21: 21,025,083 km (0.077 R)
• M22: 21,362,277 km (0.084 R)
• M23: 22,737,680 km (0.081 R)
• M24: 23,340,409 km (0.12 R)
• M25: 24,569,655 km (0.111 R)
• M26: 25,990,386 km (0.061 R)
• M27: 27,287,100 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.8

Radius: 6.4

Gravity: 14.72 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.15 AU - 6.63 AU

Year: 10430 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,444,145 km

• M1: 104,569 km (0.099 R)
• M2: 317,297 km (0.081 R)
• M3: 444,754 km (0.086 R)
• M4: 1,607,579 km (0.104 R)
• M5: 1,909,766 km (0.114 R)
• M6: 2,080,906 km (0.1 R)
• M7: 2,279,872 km (0.082 R)
• M8: 3,594,388 km (0.058 R)
• M9: 7,512,356 km (0.071 R)
• M10: 7,700,850 km (0.103 R)
• M11: 10,058,662 km (0.11 R)
• M12: 10,630,574 km (0.111 R)
• M13: 11,869,544 km (0.095 R)
• M14: 13,226,995 km (0.089 R)
• M15: 13,477,272 km (0.071 R)
• M16: 13,780,507 km (0.08 R)
• M17: 17,113,847 km (0.109 R)
• M18: 17,916,589 km (0.076 R)
• M19: 19,577,873 km (0.098 R)
• M20: 21,312,909 km (0.111 R)
• M21: 22,143,626 km (0.096 R)
• M22: 28,259,038 km (0.102 R)
• M23: 29,661,368 km (0.105 R)
• M24: 30,111,209 km (0.074 R)
• M25: 30,944,918 km (0.108 R)
• M26: 34,635,348 km (0.102 R)
• M27: 40,518,134 km (0.088 R)
• M28: 43,000,562 km (0.087 R)
• M29: 45,742,391 km (0.108 R)
• M30: 47,145,171 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.6

Radius: 5

Gravity: 38.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.19 AU - 7.37 AU

Year: 12683 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 60,444,145 km

• M1: 95,443 km (0.085 R)
• M2: 212,878 km (0.084 R)
• M3: 327,320 km (0.111 R)
• M4: 537,206 km (0.074 R)
• M5: 677,230 km (0.079 R)
• M6: 780,751 km (0.067 R)
• M7: 1,812,378 km (0.091 R)
• M8: 1,918,742 km (0.115 R)
• M9: 3,381,959 km (0.112 R)
• M10: 4,808,225 km (0.095 R)
• M11: 4,947,202 km (0.066 R)
• M12: 5,340,046 km (0.07 R)
• M13: 5,861,843 km (0.066 R)
• M14: 6,650,074 km (0.086 R)
• M15: 7,531,804 km (0.09 R)
• M16: 7,662,253 km (0.029 R)
• M17: 9,953,195 km (0.094 R)
• M18: 10,870,529 km (0.086 R)
• M19: 12,997,362 km (0.108 R)
• M20: 13,515,270 km (0.117 R)
• M21: 13,631,807 km (0.094 R)
• M22: 13,748,792 km (0.101 R)
• M23: 15,130,029 km (0.072 R)
• M24: 15,688,628 km (0.105 R)
• M25: 15,814,141 km (0.063 R)
• M26: 16,066,662 km (0.076 R)
• M27: 17,425,459 km (0.115 R)
• M28: 19,184,431 km (0.068 R)
• M29: 21,612,554 km (0.071 R)
• M30: 24,655,075 km (0.103 R)
• M31: 27,731,406 km (0.074 R)
• M32: 28,825,415 km (0.062 R)
• M33: 29,423,358 km (0.114 R)
• M34: 29,595,246 km (0.083 R)
• M35: 32,504,925 km (0.044 R)
• M36: 33,230,923 km (0.085 R)
• M37: 34,707,005 km (0.101 R)
• M38: 39,030,683 km (0.118 R)
• M39: 46,046,374 km (0.075 R)
• M40: 47,453,641 km (0.093 R)
• M41: 51,461,518 km (0.073 R)
• M42: 53,526,417 km (0.047 R)
• M43: 59,353,703 km (0.11 R)
• M44: 60,088,079 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.5

Radius: 4.7

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.2 AU - 10.04 AU

Year: 16341 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 60,444,145 km

• M1: 68,366 km (0.077 R)
• M2: 246,687 km (0.109 R)
• M3: 584,628 km (0.06 R)
• M4: 681,717 km (0.053 R)
• M5: 1,107,323 km (0.099 R)
• M6: 1,289,384 km (0.086 R)
• M7: 2,142,840 km (0.094 R)
• M8: 3,911,536 km (0.117 R)
• M9: 4,080,880 km (0.11 R)
• M10: 4,732,977 km (0.107 R)
• M11: 5,238,020 km (0.054 R)
• M12: 6,009,346 km (0.118 R)
• M13: 6,541,167 km (0.089 R)
• M14: 7,285,715 km (0.073 R)
• M15: 7,752,012 km (0.078 R)
• M16: 9,023,594 km (0.117 R)
• M17: 9,985,059 km (0.079 R)
• M18: 10,668,722 km (0.071 R)
• M19: 10,901,646 km (0.11 R)
• M20: 12,402,262 km (0.073 R)
• M21: 12,602,873 km (0.043 R)
• M22: 12,907,005 km (0.111 R)
• M23: 14,000,117 km (0.071 R)
• M24: 14,644,734 km (0.071 R)
• M25: 15,638,961 km (0.095 R)
• M26: 15,977,651 km (0.07 R)
• M27: 18,879,999 km (0.089 R)
• M28: 21,036,602 km (0.068 R)
• M29: 21,429,297 km (0.091 R)
• M30: 22,494,284 km (0.102 R)
• M31: 23,723,380 km (0.082 R)
• M32: 25,127,655 km (0.098 R)
• M33: 25,341,730 km (0.111 R)
• M34: 34,485,750 km (0.062 R)
• M35: 34,820,400 km (0.086 R)
• M36: 35,833,926 km (0.114 R)
• M37: 37,121,515 km (0.09 R)
• M38: 41,761,293 km (0.077 R)
• M39: 43,524,902 km (0.058 R)
• M40: 44,183,731 km (0.1 R)
• M41: 46,190,287 km (0.074 R)
• M42: 49,633,731 km (0.097 R)
• M43: 50,438,119 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361

Radius: 7.8

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.39 AU - 11.01 AU

Year: 19506 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 60,444,145 km

• M1: 110,553 km (0.103 R)
• M2: 307,124 km (0.092 R)
• M3: 664,813 km (0.064 R)
• M4: 867,518 km (0.111 R)
• M5: 1,055,114 km (0.117 R)
• M6: 2,140,147 km (0.047 R)
• M7: 2,391,771 km (0.108 R)
• M8: 2,583,854 km (0.098 R)
• M9: 3,044,466 km (0.105 R)
• M10: 3,289,358 km (0.104 R)
• M11: 4,082,825 km (0.068 R)
• M12: 5,384,327 km (0.113 R)
• M13: 7,073,137 km (0.107 R)
• M14: 7,616,776 km (0.115 R)
• M15: 10,440,286 km (0.052 R)
• M16: 10,641,046 km (0.103 R)
• M17: 11,674,169 km (0.081 R)
• M18: 12,047,266 km (0.094 R)
• M19: 12,208,981 km (0.098 R)
• M20: 12,755,612 km (0.119 R)
• M21: 13,089,514 km (0.119 R)
• M22: 13,541,450 km (0.101 R)
• M23: 14,409,417 km (0.12 R)
• M24: 14,645,482 km (0.118 R)
• M25: 18,219,525 km (0.1 R)
• M26: 18,752,542 km (0.118 R)
• M27: 20,118,670 km (0.073 R)
• M28: 20,749,374 km (0.063 R)
• M29: 23,972,760 km (0.114 R)
• M30: 28,745,081 km (0.073 R)
• M31: 29,667,053 km (0.098 R)
• M32: 30,261,405 km (0.109 R)
• M33: 33,322,028 km (0.115 R)
• M34: 37,379,272 km (0.074 R)
• M35: 43,084,486 km (0.117 R)
• M36: 44,006,158 km (0.081 R)
• M37: 46,829,818 km (0.117 R)
• M38: 47,576,312 km (0.117 R)
• M39: 48,113,069 km (0.102 R)
• M40: 49,304,616 km (0.088 R)
• M41: 49,960,752 km (0.094 R)
• M42: 54,675,030 km (0.072 R)
• M43: 57,936,114 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 19,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit