🌌 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: 501.9

Radius: 12.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 8.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,436,999 km

• M1: 160,369 km (0.065 R)
• M2: 562,937 km (0.119 R)
• M3: 1,283,550 km (0.092 R)
• M4: 1,686,866 km (0.104 R)
• M5: 2,155,257 km (0.08 R)
• M6: 2,635,316 km (0.107 R)
• M7: 3,186,734 km (0.089 R)
• M8: 3,624,158 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 10.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.63 AU - 0.69 AU

Year: 358 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,436,999 km

• M1: 131,796 km (0.063 R)
• M2: 495,618 km (0.099 R)
• M3: 863,928 km (0.034 R)
• M4: 1,237,474 km (0.113 R)
• M5: 1,745,957 km (0.107 R)
• M6: 2,318,767 km (0.076 R)
• M7: 3,109,093 km (0.074 R)
• M8: 3,461,545 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 14.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.33 AU - 3.81 AU

Year: 3587 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,436,999 km

• M1: 175,329 km (0.056 R)
• M2: 674,986 km (0.036 R)
• M3: 1,165,667 km (0.08 R)
• M4: 1,903,483 km (0.062 R)
• M5: 2,402,093 km (0.067 R)
• M6: 2,857,319 km (0.072 R)
• M7: 3,462,144 km (0.056 R)
• M8: 4,814,508 km (0.054 R)
• M9: 6,021,464 km (0.064 R)
• M10: 7,738,847 km (0.115 R)
• M11: 8,231,922 km (0.082 R)
• M12: 8,957,621 km (0.092 R)
• M13: 9,688,108 km (0.09 R)
• M14: 11,561,821 km (0.114 R)
• M15: 12,384,011 km (0.06 R)
• M16: 15,086,496 km (0.103 R)
• M17: 16,928,645 km (0.096 R)
• M18: 17,649,706 km (0.04 R)
• M19: 18,218,178 km (0.037 R)
• M20: 21,119,330 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 8.5

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.05 AU - 4.07 AU

Year: 4479 Days

Day: 5.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,436,999 km

• M1: 105,766 km (0.094 R)
• M2: 378,483 km (0.11 R)
• M3: 723,156 km (0.1 R)
• M4: 1,309,131 km (0.1 R)
• M5: 2,814,385 km (0.092 R)
• M6: 3,480,843 km (0.066 R)
• M7: 4,178,717 km (0.057 R)
• M8: 6,026,849 km (0.106 R)
• M9: 6,997,889 km (0.108 R)
• M10: 7,925,546 km (0.077 R)
• M11: 8,817,149 km (0.059 R)
• M12: 9,487,946 km (0.1 R)
• M13: 12,177,267 km (0.103 R)
• M14: 14,088,080 km (0.081 R)
• M15: 17,376,989 km (0.086 R)
• M16: 17,743,953 km (0.098 R)
• M17: 20,055,839 km (0.12 R)
• M18: 22,852,122 km (0.118 R)
• M19: 23,440,939 km (0.088 R)
• M20: 24,039,929 km (0.091 R)
• M21: 26,618,996 km (0.079 R)
• M22: 27,353,073 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 15

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.13 AU - 3.99 AU

Year: 4479 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,436,999 km

• M1: 189,541 km (0.118 R)
• M2: 948,451 km (0.082 R)
• M3: 1,926,073 km (0.09 R)
• M4: 2,393,416 km (0.092 R)
• M5: 3,249,565 km (0.109 R)
• M6: 3,760,142 km (0.1 R)
• M7: 5,091,414 km (0.054 R)
• M8: 7,205,232 km (0.062 R)
• M9: 7,749,020 km (0.034 R)
• M10: 8,919,474 km (0.096 R)
• M11: 9,737,625 km (0.07 R)
• M12: 11,740,291 km (0.063 R)
• M13: 20,126,449 km (0.086 R)
• M14: 20,758,649 km (0.036 R)
• M15: 21,469,538 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 13.2

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.78 AU - 3.94 AU

Year: 5057 Days

Day: 9.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,436,999 km

• M1: 164,857 km (0.072 R)
• M2: 632,799 km (0.029 R)
• M3: 1,386,473 km (0.098 R)
• M4: 1,926,970 km (0.066 R)
• M5: 2,496,489 km (0.119 R)
• M6: 2,960,542 km (0.088 R)
• M7: 3,683,548 km (0.12 R)
• M8: 4,497,810 km (0.065 R)
• M9: 5,139,584 km (0.118 R)
• M10: 6,041,211 km (0.095 R)
• M11: 7,471,067 km (0.032 R)
• M12: 8,518,402 km (0.076 R)
• M13: 9,077,748 km (0.091 R)
• M14: 11,474,605 km (0.103 R)
• M15: 12,250,719 km (0.089 R)
• M16: 12,964,301 km (0.071 R)
• M17: 14,163,627 km (0.098 R)
• M18: 16,956,021 km (0.095 R)
• M19: 17,842,688 km (0.09 R)
• M20: 20,096,978 km (0.118 R)
• M21: 25,852,606 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 14.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.45 AU - 4.37 AU

Year: 5156 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 118.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,436,999 km

• M1: 176,825 km (0.117 R)
• M2: 719,416 km (0.033 R)
• M3: 1,231,190 km (0.095 R)
• M4: 1,734,587 km (0.066 R)
• M5: 2,178,444 km (0.096 R)
• M6: 2,981,934 km (0.075 R)
• M7: 3,589,302 km (0.06 R)
• M8: 4,190,536 km (0.114 R)
• M9: 5,677,090 km (0.115 R)
• M10: 6,556,276 km (0.079 R)
• M11: 7,265,819 km (0.064 R)
• M12: 7,923,900 km (0.103 R)
• M13: 9,096,897 km (0.06 R)
• M14: 10,301,309 km (0.107 R)
• M15: 12,464,495 km (0.105 R)
• M16: 14,605,689 km (0.103 R)
• M17: 16,090,149 km (0.1 R)
• M18: 17,153,191 km (0.103 R)
• M19: 18,262,609 km (0.109 R)
• M20: 20,495,357 km (0.084 R)
• M21: 22,904,631 km (0.106 R)
• M22: 24,177,559 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 13.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.88 AU - 4.7 AU

Year: 5925 Days

Day: 9.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,436,999 km

• M1: 171,589 km (0.07 R)
• M2: 918,980 km (0.092 R)
• M3: 1,469,949 km (0.101 R)
• M4: 2,288,698 km (0.115 R)
• M5: 2,991,359 km (0.087 R)
• M6: 3,522,581 km (0.056 R)
• M7: 4,592,655 km (0.064 R)
• M8: 5,161,575 km (0.117 R)
• M9: 7,121,457 km (0.082 R)
• M10: 8,465,594 km (0.087 R)
• M11: 10,977,941 km (0.047 R)
• M12: 11,701,396 km (0.038 R)
• M13: 12,872,149 km (0.114 R)
• M14: 16,170,632 km (0.106 R)
• M15: 17,687,405 km (0.105 R)
• M16: 21,075,647 km (0.095 R)
• M17: 21,741,956 km (0.094 R)
• M18: 22,806,345 km (0.094 R)
• M19: 23,745,969 km (0.068 R)
• M20: 24,386,697 km (0.084 R)
• M21: 25,286,528 km (0.086 R)
• M22: 25,954,782 km (0.062 R)
• M23: 27,326,594 km (0.113 R)
• M24: 29,657,927 km (0.081 R)
• M25: 30,307,781 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240

Radius: 3.6

Gravity: 18.52 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.77 AU - 7.77 AU

Year: 10470 Days

Day: 18 Hours

Environment

Temp: -236 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,436,999 km

• M1: 44,879 km (0.077 R)
• M2: 206,894 km (0.116 R)
• M3: 371,601 km (0.115 R)
• M4: 513,869 km (0.084 R)
• M5: 656,286 km (0.073 R)
• M6: 816,804 km (0.114 R)
• M7: 1,111,811 km (0.034 R)
• M8: 1,562,400 km (0.039 R)
• M9: 1,681,779 km (0.049 R)
• M10: 2,622,750 km (0.108 R)
• M11: 2,948,724 km (0.105 R)
• M12: 3,941,306 km (0.101 R)
• M13: 4,687,799 km (0.087 R)
• M14: 5,254,625 km (0.091 R)
• M15: 5,585,087 km (0.115 R)
• M16: 10,557,271 km (0.112 R)
• M17: 13,250,183 km (0.085 R)
• M18: 14,549,141 km (0.103 R)
• M19: 15,745,625 km (0.081 R)
• M20: 17,135,688 km (0.092 R)
• M21: 18,537,121 km (0.037 R)
• M22: 18,951,058 km (0.101 R)
• M23: 21,188,743 km (0.071 R)
• M24: 25,411,442 km (0.056 R)
• M25: 26,093,908 km (0.099 R)
• M26: 27,228,907 km (0.084 R)
• M27: 29,409,894 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722

Radius: 6.2

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.66 AU - 12.14 AU

Year: 23998 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 160.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,436,999 km

• M1: 77,043 km (0.114 R)
• M2: 287,228 km (0.079 R)
• M3: 498,759 km (0.083 R)
• M4: 714,928 km (0.111 R)
• M5: 1,032,973 km (0.095 R)
• M6: 1,346,231 km (0.083 R)
• M7: 1,994,888 km (0.082 R)
• M8: 2,860,012 km (0.111 R)
• M9: 3,758,796 km (0.11 R)
• M10: 4,051,858 km (0.069 R)
• M11: 4,466,394 km (0.112 R)
• M12: 6,595,770 km (0.091 R)
• M13: 7,620,665 km (0.105 R)
• M14: 9,678,085 km (0.094 R)
• M15: 10,737,088 km (0.098 R)
• M16: 11,062,763 km (0.101 R)
• M17: 12,079,280 km (0.096 R)
• M18: 12,863,323 km (0.104 R)
• M19: 18,852,623 km (0.106 R)
• M20: 19,711,763 km (0.096 R)
• M21: 21,610,609 km (0.116 R)
• M22: 23,628,086 km (0.095 R)
• M23: 24,179,205 km (0.087 R)
• M24: 26,587,730 km (0.102 R)
• M25: 28,650,984 km (0.112 R)
• M26: 29,151,539 km (0.094 R)
• M27: 37,227,729 km (0.097 R)
• M28: 40,741,783 km (0.085 R)
• M29: 41,215,859 km (0.049 R)
• M30: 43,312,772 km (0.082 R)
• M31: 47,717,831 km (0.086 R)
• M32: 51,302,944 km (0.098 R)
• M33: 56,617,708 km (0.058 R)
• M34: 59,407,708 km (0.099 R)
• M35: 61,663,195 km (0.095 R)
• M36: 63,550,372 km (0.05 R)
• M37: 65,259,977 km (0.073 R)
• M38: 66,562,226 km (0.09 R)
• M39: 66,780,938 km (0.107 R)
• M40: 77,367,531 km (0.099 R)
• M41: 81,047,489 km (0.069 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 15,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit