🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.3

Radius: 13.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.95 AU - 1.31 AU

Year: 788 Days

Day: 13 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,410,075 km

• M1: 163,959 km (0.073 R)
• M2: 980,764 km (0.075 R)
• M3: 1,482,664 km (0.086 R)
• M4: 1,966,015 km (0.113 R)
• M5: 2,656,559 km (0.04 R)
• M6: 3,207,528 km (0.072 R)
• M7: 3,702,697 km (0.092 R)
• M8: 4,232,722 km (0.099 R)
• M9: 5,114,302 km (0.066 R)
• M10: 6,217,437 km (0.098 R)
• M11: 7,059,524 km (0.089 R)
• M12: 8,025,477 km (0.113 R)
• M13: 8,944,606 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 8.9

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.43 AU - 1.57 AU

Year: 1205 Days

Day: 11.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,410,075 km

• M1: 110,702 km (0.1 R)
• M2: 543,339 km (0.108 R)
• M3: 1,111,063 km (0.118 R)
• M4: 1,464,414 km (0.103 R)
• M5: 1,804,450 km (0.101 R)
• M6: 2,309,642 km (0.109 R)
• M7: 3,169,680 km (0.046 R)
• M8: 3,602,466 km (0.079 R)
• M9: 4,125,460 km (0.109 R)
• M10: 4,926,258 km (0.07 R)
• M11: 5,550,081 km (0.063 R)
• M12: 6,548,198 km (0.083 R)
• M13: 7,102,458 km (0.041 R)
• M14: 7,766,224 km (0.037 R)
• M15: 8,086,363 km (0.085 R)
• M16: 8,611,153 km (0.101 R)
• M17: 9,217,473 km (0.049 R)
• M18: 9,975,934 km (0.095 R)
• M19: 10,354,566 km (0.113 R)
• M20: 10,775,385 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.7

Radius: 10.6

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.45 AU - 2.01 AU

Year: 1493 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,410,075 km

• M1: 131,945 km (0.071 R)
• M2: 684,111 km (0.09 R)
• M3: 1,045,390 km (0.101 R)
• M4: 1,750,744 km (0.117 R)
• M5: 2,401,794 km (0.104 R)
• M6: 2,735,098 km (0.116 R)
• M7: 3,430,728 km (0.059 R)
• M8: 3,891,489 km (0.083 R)
• M9: 5,504,753 km (0.099 R)
• M10: 5,851,072 km (0.072 R)
• M11: 6,511,397 km (0.087 R)
• M12: 6,925,633 km (0.053 R)
• M13: 8,126,904 km (0.083 R)
• M14: 9,692,446 km (0.117 R)
• M15: 10,302,506 km (0.116 R)
• M16: 11,339,070 km (0.11 R)
• M17: 12,404,655 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 12.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.77 AU - 2.01 AU

Year: 1705 Days

Day: 14.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,410,075 km

• M1: 156,779 km (0.05 R)
• M2: 550,819 km (0.073 R)
• M3: 966,253 km (0.099 R)
• M4: 1,548,488 km (0.056 R)
• M5: 2,013,587 km (0.11 R)
• M6: 2,981,486 km (0.046 R)
• M7: 3,466,482 km (0.116 R)
• M8: 4,293,459 km (0.066 R)
• M9: 4,694,680 km (0.074 R)
• M10: 5,226,501 km (0.037 R)
• M11: 6,005,756 km (0.034 R)
• M12: 6,633,618 km (0.086 R)
• M13: 8,021,139 km (0.057 R)
• M14: 9,497,819 km (0.084 R)
• M15: 10,216,936 km (0.096 R)
• M16: 11,986,529 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.4

Radius: 13.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.88 AU - 2.12 AU

Year: 1855 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,410,075 km

• M1: 163,062 km (0.103 R)
• M2: 590,164 km (0.061 R)
• M3: 1,114,205 km (0.12 R)
• M4: 2,177,846 km (0.05 R)
• M5: 3,159,058 km (0.067 R)
• M6: 3,723,790 km (0.066 R)
• M7: 4,156,577 km (0.103 R)
• M8: 5,170,102 km (0.071 R)
• M9: 5,858,552 km (0.114 R)
• M10: 6,316,022 km (0.095 R)
• M11: 8,359,080 km (0.101 R)
• M12: 9,308,877 km (0.107 R)
• M13: 10,848,239 km (0.045 R)
• M14: 12,344,367 km (0.107 R)
• M15: 12,844,473 km (0.076 R)
• M16: 14,153,754 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 14.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.9 AU - 2.28 AU

Year: 1982 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,410,075 km

• M1: 188,793 km (0.111 R)
• M2: 743,501 km (0.04 R)
• M3: 1,671,906 km (0.102 R)
• M4: 7,192,815 km (0.047 R)
• M5: 9,081,488 km (0.115 R)
• M6: 10,717,640 km (0.063 R)
• M7: 11,657,863 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.9

Radius: 11.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.99 AU - 3.09 AU

Year: 2656 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,410,075 km

• M1: 145,559 km (0.099 R)
• M2: 540,796 km (0.064 R)
• M3: 1,420,731 km (0.116 R)
• M4: 2,198,790 km (0.108 R)
• M5: 2,629,183 km (0.043 R)
• M6: 3,100,117 km (0.105 R)
• M7: 4,005,184 km (0.103 R)
• M8: 4,714,876 km (0.098 R)
• M9: 6,333,675 km (0.058 R)
• M10: 7,020,778 km (0.076 R)
• M11: 8,265,282 km (0.083 R)
• M12: 9,283,146 km (0.067 R)
• M13: 10,276,027 km (0.096 R)
• M14: 11,414,318 km (0.119 R)
• M15: 12,594,046 km (0.083 R)
• M16: 14,648,324 km (0.075 R)
• M17: 15,148,879 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.7

Radius: 12.2

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.49 AU - 3.43 AU

Year: 3341 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,410,075 km

• M1: 152,440 km (0.12 R)
• M2: 587,321 km (0.068 R)
• M3: 1,054,067 km (0.086 R)
• M4: 2,243,070 km (0.102 R)
• M5: 2,983,730 km (0.116 R)
• M6: 3,402,304 km (0.046 R)
• M7: 4,901,724 km (0.075 R)
• M8: 5,305,040 km (0.108 R)
• M9: 6,265,458 km (0.105 R)
• M10: 6,741,778 km (0.072 R)
• M11: 7,210,019 km (0.099 R)
• M12: 8,177,319 km (0.091 R)
• M13: 8,674,283 km (0.104 R)
• M14: 9,191,443 km (0.056 R)
• M15: 10,492,346 km (0.078 R)
• M16: 10,952,060 km (0.1 R)
• M17: 12,975,222 km (0.096 R)
• M18: 14,100,347 km (0.094 R)
• M19: 16,265,627 km (0.107 R)
• M20: 16,825,871 km (0.105 R)
• M21: 17,283,192 km (0.07 R)
• M22: 19,758,588 km (0.109 R)
• M23: 21,445,603 km (0.098 R)
• M24: 22,461,671 km (0.062 R)
• M25: 24,081,517 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24

Radius: 3.6

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.72 AU - 10.2 AU

Year: 20620 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,410,075 km

• M1: 51,761 km (0.081 R)
• M2: 247,734 km (0.071 R)
• M3: 475,272 km (0.052 R)
• M4: 676,332 km (0.09 R)
• M5: 1,884,036 km (0.106 R)
• M6: 2,832,486 km (0.069 R)
• M7: 5,745,755 km (0.096 R)
• M8: 6,089,980 km (0.048 R)
• M9: 8,857,391 km (0.109 R)
• M10: 9,831,422 km (0.092 R)
• M11: 14,759,027 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 11,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit