🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.53 AU - 0.53 AU

Year: 245 Days

Day: 32.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 14.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.9 AU - 1.26 AU

Year: 714 Days

Day: 13.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,293,739 km

• M1: 182,809 km (0.103 R)
• M2: 696,976 km (0.112 R)
• M3: 1,167,163 km (0.066 R)
• M4: 1,688,511 km (0.09 R)
• M5: 2,445,925 km (0.107 R)
• M6: 2,921,796 km (0.098 R)
• M7: 3,842,122 km (0.112 R)
• M8: 4,739,859 km (0.08 R)
• M9: 5,453,740 km (0.115 R)
• M10: 6,850,386 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 11.9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.93 AU - 1.41 AU

Year: 805 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,293,739 km

• M1: 148,251 km (0.035 R)
• M2: 573,109 km (0.117 R)
• M3: 1,127,070 km (0.03 R)
• M4: 2,483,325 km (0.113 R)
• M5: 3,563,421 km (0.119 R)
• M6: 4,170,938 km (0.116 R)
• M7: 4,624,669 km (0.12 R)
• M8: 5,057,605 km (0.039 R)
• M9: 5,885,779 km (0.074 R)
• M10: 7,739,595 km (0.109 R)
• M11: 8,127,952 km (0.07 R)
• M12: 8,813,110 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.5

Radius: 8.3

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.93 AU - 1.49 AU

Year: 846 Days

Day: 13.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,293,739 km

• M1: 103,223 km (0.064 R)
• M2: 644,318 km (0.059 R)
• M3: 947,703 km (0.113 R)
• M4: 1,230,742 km (0.105 R)
• M5: 1,504,655 km (0.049 R)
• M6: 2,023,311 km (0.105 R)
• M7: 2,693,061 km (0.1 R)
• M8: 2,986,273 km (0.069 R)
• M9: 3,415,319 km (0.066 R)
• M10: 3,900,764 km (0.059 R)
• M11: 4,193,677 km (0.101 R)
• M12: 4,589,214 km (0.075 R)
• M13: 5,435,339 km (0.105 R)
• M14: 7,507,868 km (0.073 R)
• M15: 7,885,603 km (0.106 R)
• M16: 9,237,070 km (0.116 R)
• M17: 10,270,791 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.3

Radius: 14.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.29 AU - 4.22 AU

Year: 4617 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,293,739 km

• M1: 175,329 km (0.069 R)
• M2: 689,646 km (0.027 R)
• M3: 1,626,727 km (0.098 R)
• M4: 2,312,185 km (0.072 R)
• M5: 3,014,397 km (0.08 R)
• M6: 5,507,446 km (0.114 R)
• M7: 7,095,128 km (0.098 R)
• M8: 8,863,973 km (0.113 R)
• M9: 9,738,223 km (0.027 R)
• M10: 10,235,486 km (0.067 R)
• M11: 11,074,581 km (0.119 R)
• M12: 12,664,058 km (0.085 R)
• M13: 15,454,956 km (0.094 R)
• M14: 17,325,079 km (0.119 R)
• M15: 19,163,188 km (0.045 R)
• M16: 19,642,350 km (0.044 R)
• M17: 20,687,142 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.7

Radius: 8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.54 AU - 6.3 AU

Year: 8023 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,293,739 km

• M1: 109,954 km (0.103 R)
• M2: 493,972 km (0.117 R)
• M3: 2,560,667 km (0.067 R)
• M4: 4,184,851 km (0.111 R)
• M5: 6,649,625 km (0.107 R)
• M6: 7,673,324 km (0.102 R)
• M7: 10,113,414 km (0.093 R)
• M8: 13,784,546 km (0.101 R)
• M9: 15,219,339 km (0.055 R)
• M10: 15,831,494 km (0.063 R)
• M11: 16,172,278 km (0.101 R)
• M12: 18,072,919 km (0.116 R)
• M13: 21,749,436 km (0.109 R)
• M14: 22,029,633 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.7

Radius: 7.6

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.73 AU - 6.99 AU

Year: 10198 Days

Day: 21.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,293,739 km

• M1: 94,546 km (0.12 R)
• M2: 983,008 km (0.075 R)
• M3: 2,544,660 km (0.092 R)
• M4: 2,946,480 km (0.103 R)
• M5: 5,831,175 km (0.117 R)
• M6: 6,492,548 km (0.115 R)
• M7: 8,637,931 km (0.116 R)
• M8: 14,990,903 km (0.112 R)
• M9: 15,532,448 km (0.057 R)
• M10: 17,457,174 km (0.109 R)
• M11: 22,555,918 km (0.114 R)
• M12: 23,628,236 km (0.119 R)
• M13: 27,447,918 km (0.107 R)
• M14: 31,659,996 km (0.026 R)
• M15: 34,734,681 km (0.06 R)
• M16: 38,503,949 km (0.113 R)
• M17: 41,470,475 km (0.089 R)
• M18: 42,402,619 km (0.05 R)
• M19: 44,033,236 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326

Radius: 7.4

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.58 AU - 9.16 AU

Year: 12721 Days

Day: 24.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,293,739 km

• M1: 92,601 km (0.1 R)
• M2: 374,144 km (0.116 R)
• M3: 646,712 km (0.077 R)
• M4: 880,533 km (0.109 R)
• M5: 1,785,151 km (0.07 R)
• M6: 3,136,020 km (0.068 R)
• M7: 3,457,805 km (0.07 R)
• M8: 3,751,017 km (0.115 R)
• M9: 4,249,328 km (0.071 R)
• M10: 4,910,700 km (0.086 R)
• M11: 5,572,670 km (0.106 R)
• M12: 6,731,007 km (0.093 R)
• M13: 7,426,637 km (0.107 R)
• M14: 8,960,164 km (0.078 R)
• M15: 9,234,976 km (0.037 R)
• M16: 10,290,838 km (0.089 R)
• M17: 10,541,564 km (0.114 R)
• M18: 10,796,478 km (0.11 R)
• M19: 13,576,456 km (0.052 R)
• M20: 16,051,403 km (0.037 R)
• M21: 16,457,112 km (0.063 R)
• M22: 17,931,250 km (0.084 R)
• M23: 18,663,232 km (0.105 R)
• M24: 20,818,937 km (0.081 R)
• M25: 21,709,344 km (0.059 R)
• M26: 25,071,556 km (0.092 R)
• M27: 25,617,887 km (0.078 R)
• M28: 26,545,993 km (0.066 R)
• M29: 26,923,578 km (0.077 R)
• M30: 28,666,542 km (0.098 R)
• M31: 37,093,390 km (0.109 R)
• M32: 38,883,479 km (0.084 R)
• M33: 39,492,641 km (0.109 R)
• M34: 40,605,350 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.7

Radius: 3.5

Gravity: 56.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.07 AU - 9.57 AU

Year: 18091 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,293,739 km

• M1: 43,533 km (0.088 R)
• M2: 234,869 km (0.045 R)
• M3: 387,458 km (0.074 R)
• M4: 622,178 km (0.117 R)
• M5: 741,856 km (0.095 R)
• M6: 1,040,902 km (0.067 R)
• M7: 1,675,646 km (0.097 R)
• M8: 2,207,466 km (0.078 R)
• M9: 2,627,387 km (0.12 R)
• M10: 5,590,622 km (0.102 R)
• M11: 5,908,368 km (0.048 R)
• M12: 7,972,519 km (0.082 R)
• M13: 8,374,788 km (0.039 R)
• M14: 9,003,398 km (0.067 R)
• M15: 9,439,476 km (0.111 R)
• M16: 9,775,622 km (0.06 R)
• M17: 10,412,610 km (0.086 R)
• M18: 11,076,974 km (0.096 R)
• M19: 11,962,594 km (0.072 R)
• M20: 17,522,249 km (0.109 R)
• M21: 18,029,685 km (0.115 R)
• M22: 19,073,729 km (0.055 R)
• M23: 19,882,754 km (0.085 R)
• M24: 25,009,772 km (0.09 R)
• M25: 26,859,699 km (0.107 R)
• M26: 33,209,381 km (0.109 R)
• M27: 34,378,339 km (0.1 R)
• M28: 35,306,294 km (0.105 R)
• M29: 35,574,374 km (0.06 R)
• M30: 36,114,721 km (0.085 R)
• M31: 37,350,549 km (0.094 R)
• M32: 37,908,848 km (0.087 R)
• M33: 39,761,319 km (0.079 R)
• M34: 42,424,759 km (0.078 R)
• M35: 45,838,583 km (0.101 R)
• M36: 58,283,480 km (0.08 R)
• M37: 63,476,022 km (0.112 R)
• M38: 68,342,890 km (0.092 R)
• M39: 70,230,366 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 13,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit