🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 14

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.83 AU - 0.87 AU

Year: 541 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,718,311 km

• M1: 174,581 km (0.118 R)
• M2: 802,892 km (0.107 R)
• M3: 1,707,809 km (0.115 R)
• M4: 2,224,371 km (0.101 R)
• M5: 3,732,168 km (0.043 R)
• M6: 4,325,622 km (0.111 R)
• M7: 4,872,851 km (0.09 R)
• M8: 5,583,890 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 10.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.05 AU - 1.45 AU

Year: 965 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,718,311 km

• M1: 126,709 km (0.118 R)
• M2: 470,037 km (0.099 R)
• M3: 788,231 km (0.097 R)
• M4: 1,104,780 km (0.102 R)
• M5: 1,590,674 km (0.11 R)
• M6: 2,060,561 km (0.098 R)
• M7: 2,469,262 km (0.063 R)
• M8: 2,918,954 km (0.114 R)
• M9: 3,281,130 km (0.102 R)
• M10: 4,048,268 km (0.031 R)
• M11: 4,676,280 km (0.107 R)
• M12: 5,117,594 km (0.114 R)
• M13: 5,466,605 km (0.041 R)
• M14: 5,999,024 km (0.107 R)
• M15: 6,498,382 km (0.065 R)
• M16: 6,862,054 km (0.092 R)
• M17: 7,335,831 km (0.099 R)
• M18: 9,055,458 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.5

Radius: 13.2

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.22 AU - 1.76 AU

Year: 1255 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,718,311 km

• M1: 164,109 km (0.067 R)
• M2: 632,350 km (0.041 R)
• M3: 1,654,552 km (0.075 R)
• M4: 2,154,658 km (0.059 R)
• M5: 2,850,288 km (0.112 R)
• M6: 3,451,223 km (0.088 R)
• M7: 4,711,884 km (0.096 R)
• M8: 5,173,693 km (0.091 R)
• M9: 5,844,041 km (0.112 R)
• M10: 6,283,260 km (0.114 R)
• M11: 7,385,647 km (0.109 R)
• M12: 7,983,440 km (0.107 R)
• M13: 8,467,239 km (0.079 R)
• M14: 8,970,636 km (0.115 R)
• M15: 9,620,041 km (0.075 R)
• M16: 10,070,330 km (0.111 R)
• M17: 11,830,948 km (0.091 R)
• M18: 13,074,555 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 13

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.59 AU - 1.61 AU

Year: 1397 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,718,311 km

• M1: 161,715 km (0.106 R)
• M2: 1,059,901 km (0.1 R)
• M3: 1,482,066 km (0.118 R)
• M4: 2,029,744 km (0.032 R)
• M5: 2,533,739 km (0.1 R)
• M6: 3,814,447 km (0.09 R)
• M7: 5,115,948 km (0.078 R)
• M8: 6,014,732 km (0.094 R)
• M9: 6,743,722 km (0.109 R)
• M10: 7,610,044 km (0.089 R)
• M11: 8,693,731 km (0.053 R)
• M12: 9,909,363 km (0.046 R)
• M13: 10,492,196 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.2

Radius: 8.3

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.58 AU - 2.54 AU

Year: 2041 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,718,311 km

• M1: 103,223 km (0.034 R)
• M2: 383,719 km (0.04 R)
• M3: 771,626 km (0.098 R)
• M4: 1,230,891 km (0.066 R)
• M5: 1,744,910 km (0.098 R)
• M6: 2,359,158 km (0.111 R)
• M7: 2,843,706 km (0.09 R)
• M8: 3,124,651 km (0.072 R)
• M9: 4,799,848 km (0.076 R)
• M10: 5,199,872 km (0.119 R)
• M11: 5,998,725 km (0.051 R)
• M12: 9,065,033 km (0.099 R)
• M13: 11,328,448 km (0.109 R)
• M14: 11,894,377 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 9.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.77 AU - 3.19 AU

Year: 3551 Days

Day: 7.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,718,311 km

• M1: 113,545 km (0.107 R)
• M2: 597,643 km (0.114 R)
• M3: 1,383,182 km (0.101 R)
• M4: 1,707,660 km (0.081 R)
• M5: 2,231,103 km (0.102 R)
• M6: 2,858,217 km (0.085 R)
• M7: 4,037,946 km (0.075 R)
• M8: 4,801,194 km (0.084 R)
• M9: 7,104,253 km (0.025 R)
• M10: 8,782,891 km (0.11 R)
• M11: 10,150,964 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.8

Radius: 13.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.89 AU - 3.19 AU

Year: 3659 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,718,311 km

• M1: 163,062 km (0.036 R)
• M2: 584,030 km (0.043 R)
• M3: 1,063,940 km (0.064 R)
• M4: 1,567,486 km (0.05 R)
• M5: 2,075,970 km (0.113 R)
• M6: 4,034,655 km (0.085 R)
• M7: 4,803,887 km (0.086 R)
• M8: 5,504,154 km (0.102 R)
• M9: 5,979,277 km (0.075 R)
• M10: 6,421,189 km (0.11 R)
• M11: 6,916,658 km (0.112 R)
• M12: 7,810,954 km (0.066 R)
• M13: 8,893,444 km (0.105 R)
• M14: 10,279,917 km (0.115 R)
• M15: 11,355,376 km (0.106 R)
• M16: 13,131,851 km (0.079 R)
• M17: 14,979,534 km (0.104 R)
• M18: 16,820,336 km (0.114 R)
• M19: 17,347,519 km (0.037 R)
• M20: 19,248,459 km (0.1 R)
• M21: 23,100,155 km (0.084 R)
• M22: 24,941,256 km (0.078 R)
• M23: 25,627,312 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.8

Radius: 9.2

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4 AU - 6.4 AU

Year: 8185 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,718,311 km

• M1: 114,442 km (0.101 R)
• M2: 508,034 km (0.082 R)
• M3: 889,808 km (0.095 R)
• M4: 1,251,835 km (0.116 R)
• M5: 1,668,166 km (0.098 R)
• M6: 1,974,094 km (0.052 R)
• M7: 2,485,120 km (0.084 R)
• M8: 2,972,809 km (0.089 R)
• M9: 3,952,974 km (0.104 R)
• M10: 4,249,477 km (0.106 R)
• M11: 4,857,293 km (0.056 R)
• M12: 5,655,099 km (0.074 R)
• M13: 7,109,788 km (0.094 R)
• M14: 8,574,501 km (0.106 R)
• M15: 9,449,050 km (0.083 R)
• M16: 12,146,001 km (0.095 R)
• M17: 12,717,913 km (0.068 R)
• M18: 15,384,047 km (0.072 R)
• M19: 17,379,383 km (0.09 R)
• M20: 22,044,293 km (0.079 R)
• M21: 23,154,758 km (0.067 R)
• M22: 25,118,380 km (0.079 R)
• M23: 26,709,952 km (0.039 R)
• M24: 28,667,141 km (0.061 R)
• M25: 29,886,363 km (0.104 R)
• M26: 36,387,438 km (0.114 R)
• M27: 37,335,589 km (0.093 R)
• M28: 38,544,041 km (0.094 R)
• M29: 40,405,188 km (0.099 R)
• M30: 44,172,062 km (0.101 R)
• M31: 44,709,268 km (0.078 R)
• M32: 45,523,380 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991

Radius: 3.9

Gravity: 65.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.66 AU - 9.34 AU

Year: 15619 Days

Day: 23.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,718,311 km

• M1: 48,470 km (0.081 R)
• M2: 270,772 km (0.045 R)
• M3: 394,340 km (0.076 R)
• M4: 614,548 km (0.065 R)
• M5: 1,484,011 km (0.032 R)
• M6: 2,057,270 km (0.112 R)
• M7: 3,043,269 km (0.083 R)
• M8: 5,111,759 km (0.05 R)
• M9: 5,529,287 km (0.092 R)
• M10: 7,914,027 km (0.113 R)
• M11: 9,952,148 km (0.1 R)
• M12: 10,126,579 km (0.1 R)
• M13: 12,719,409 km (0.088 R)
• M14: 14,799,418 km (0.091 R)
• M15: 17,095,446 km (0.115 R)
• M16: 20,825,370 km (0.119 R)
• M17: 24,531,059 km (0.112 R)
• M18: 37,669,193 km (0.104 R)
• M19: 41,148,690 km (0.115 R)
• M20: 41,447,885 km (0.099 R)
• M21: 44,836,277 km (0.115 R)
• M22: 45,312,297 km (0.051 R)
• M23: 47,249,590 km (0.053 R)
• M24: 59,470,090 km (0.075 R)
• M25: 62,182,300 km (0.056 R)
• M26: 64,773,634 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.2

Radius: 6.4

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.53 AU - 10.85 AU

Year: 22453 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,718,311 km

• M1: 79,586 km (0.104 R)
• M2: 292,464 km (0.075 R)
• M3: 1,178,083 km (0.052 R)
• M4: 3,233,259 km (0.077 R)
• M5: 4,872,103 km (0.054 R)
• M6: 6,950,766 km (0.065 R)
• M7: 7,487,822 km (0.116 R)
• M8: 7,895,626 km (0.105 R)
• M9: 9,439,925 km (0.097 R)
• M10: 9,915,796 km (0.092 R)
• M11: 10,723,026 km (0.089 R)
• M12: 14,627,231 km (0.095 R)
• M13: 15,754,152 km (0.1 R)
• M14: 17,908,361 km (0.084 R)
• M15: 19,959,946 km (0.107 R)
• M16: 21,853,706 km (0.111 R)
• M17: 22,371,314 km (0.111 R)
• M18: 22,791,236 km (0.106 R)
• M19: 23,755,244 km (0.085 R)
• M20: 26,928,215 km (0.086 R)
• M21: 28,862,516 km (0.086 R)
• M22: 33,005,479 km (0.085 R)
• M23: 38,870,763 km (0.116 R)
• M24: 47,432,997 km (0.102 R)
• M25: 48,300,216 km (0.085 R)
• M26: 48,825,603 km (0.059 R)
• M27: 51,509,988 km (0.1 R)
• M28: 54,291,012 km (0.06 R)
• M29: 59,948,654 km (0.079 R)
• M30: 60,352,718 km (0.061 R)
• M31: 69,931,320 km (0.085 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: 175 - 15,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit