🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.54 AU - 0.6 AU

Year: 274 Days

Day: 13.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,828,829 km

• M1: 385,663 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 10.7

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.58 AU - 0.82 AU

Year: 372 Days

Day: 14.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,828,829 km

• M1: 133,142 km (0.079 R)
• M2: 574,755 km (0.095 R)
• M3: 957,576 km (0.079 R)
• M4: 1,411,606 km (0.104 R)
• M5: 1,827,188 km (0.077 R)
• M6: 2,200,734 km (0.069 R)
• M7: 2,605,845 km (0.119 R)
• M8: 2,952,763 km (0.118 R)
• M9: 3,319,128 km (0.032 R)
• M10: 3,816,840 km (0.113 R)
• M11: 4,185,000 km (0.109 R)
• M12: 5,321,944 km (0.109 R)

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.9

Radius: 10

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.21 AU - 1.41 AU

Year: 953 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,828,829 km

• M1: 124,465 km (0.049 R)
• M2: 566,078 km (0.099 R)
• M3: 916,287 km (0.042 R)
• M4: 1,825,393 km (0.05 R)
• M5: 2,158,996 km (0.108 R)
• M6: 3,002,280 km (0.096 R)
• M7: 3,513,755 km (0.057 R)
• M8: 4,035,552 km (0.095 R)
• M9: 5,252,980 km (0.037 R)
• M10: 6,100,601 km (0.07 R)
• M11: 6,655,908 km (0.048 R)
• M12: 7,082,711 km (0.095 R)
• M13: 8,217,561 km (0.057 R)
• M14: 8,735,618 km (0.067 R)
• M15: 9,330,569 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 9.5

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.09 AU - 1.71 AU

Year: 1053 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 174.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,828,829 km

• M1: 118,182 km (0.12 R)
• M2: 489,634 km (0.102 R)
• M3: 883,076 km (0.091 R)
• M4: 1,391,410 km (0.1 R)
• M5: 1,791,435 km (0.078 R)
• M6: 2,117,259 km (0.106 R)
• M7: 2,413,462 km (0.112 R)
• M8: 3,215,008 km (0.103 R)
• M9: 4,035,103 km (0.079 R)
• M10: 5,007,340 km (0.112 R)
• M11: 5,377,295 km (0.087 R)
• M12: 5,977,183 km (0.077 R)
• M13: 6,393,963 km (0.07 R)
• M14: 7,236,947 km (0.111 R)
• M15: 9,057,403 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 14.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.66 AU - 3.14 AU

Year: 3140 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,828,829 km

• M1: 181,612 km (0.037 R)
• M2: 964,308 km (0.066 R)
• M3: 1,843,495 km (0.099 R)
• M4: 2,334,475 km (0.087 R)
• M5: 2,898,459 km (0.106 R)
• M6: 3,431,925 km (0.108 R)
• M7: 4,305,726 km (0.088 R)
• M8: 4,850,262 km (0.094 R)
• M9: 5,323,590 km (0.095 R)
• M10: 7,130,283 km (0.119 R)
• M11: 9,181,270 km (0.12 R)
• M12: 9,803,298 km (0.063 R)
• M13: 10,751,449 km (0.115 R)
• M14: 12,369,949 km (0.084 R)
• M15: 12,830,561 km (0.103 R)
• M16: 14,100,497 km (0.116 R)
• M17: 14,557,219 km (0.077 R)
• M18: 17,405,114 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.8

Radius: 14.6

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.96 AU - 3.62 AU

Year: 3794 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,828,829 km

• M1: 181,612 km (0.06 R)
• M2: 664,663 km (0.091 R)
• M3: 1,138,739 km (0.057 R)
• M4: 2,413,462 km (0.106 R)
• M5: 5,216,029 km (0.097 R)
• M6: 6,327,392 km (0.062 R)
• M7: 9,542,848 km (0.076 R)
• M8: 12,185,195 km (0.102 R)
• M9: 15,729,019 km (0.105 R)
• M10: 16,234,959 km (0.071 R)
• M11: 16,699,461 km (0.115 R)
• M12: 17,332,708 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 14

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.83 AU - 3.99 AU

Year: 4004 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,828,829 km

• M1: 174,132 km (0.104 R)
• M2: 620,682 km (0.119 R)
• M3: 1,181,075 km (0.096 R)
• M4: 1,621,192 km (0.039 R)
• M5: 2,082,103 km (0.078 R)
• M6: 2,601,208 km (0.107 R)
• M7: 3,171,774 km (0.07 R)
• M8: 3,987,082 km (0.047 R)
• M9: 5,609,621 km (0.116 R)
• M10: 6,201,131 km (0.087 R)
• M11: 7,352,436 km (0.034 R)
• M12: 8,537,401 km (0.096 R)
• M13: 10,871,726 km (0.109 R)
• M14: 11,708,277 km (0.079 R)
• M15: 13,321,690 km (0.051 R)
• M16: 14,526,552 km (0.072 R)
• M17: 15,334,829 km (0.091 R)
• M18: 15,907,938 km (0.056 R)
• M19: 16,387,400 km (0.068 R)
• M20: 17,041,591 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 13.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.09 AU - 3.97 AU

Year: 4217 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,828,829 km

• M1: 166,802 km (0.118 R)
• M2: 730,786 km (0.086 R)
• M3: 1,350,121 km (0.108 R)
• M4: 1,931,608 km (0.064 R)
• M5: 2,377,409 km (0.084 R)
• M6: 2,876,767 km (0.12 R)
• M7: 3,340,371 km (0.117 R)
• M8: 4,110,351 km (0.119 R)
• M9: 4,680,020 km (0.105 R)
• M10: 5,496,675 km (0.073 R)
• M11: 6,136,654 km (0.096 R)
• M12: 7,323,713 km (0.081 R)
• M13: 10,490,551 km (0.116 R)
• M14: 11,764,676 km (0.119 R)
• M15: 12,482,297 km (0.059 R)
• M16: 13,682,072 km (0.117 R)
• M17: 15,201,687 km (0.115 R)
• M18: 16,002,484 km (0.105 R)
• M19: 18,971,404 km (0.115 R)

Asteroid Belt

Center: 4.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 15

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.2 AU - 6.02 AU

Year: 7345 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,828,829 km

• M1: 187,147 km (0.071 R)
• M2: 678,726 km (0.075 R)
• M3: 1,152,801 km (0.087 R)
• M4: 1,891,964 km (0.116 R)
• M5: 3,168,184 km (0.057 R)
• M6: 4,363,620 km (0.107 R)
• M7: 5,171,898 km (0.082 R)
• M8: 6,010,094 km (0.115 R)
• M9: 6,900,052 km (0.107 R)
• M10: 8,854,100 km (0.113 R)
• M11: 11,415,514 km (0.079 R)
• M12: 11,895,125 km (0.118 R)
• M13: 13,950,301 km (0.07 R)
• M14: 15,381,653 km (0.079 R)
• M15: 17,463,158 km (0.096 R)
• M16: 19,879,163 km (0.111 R)
• M17: 26,369,617 km (0.088 R)
• M18: 28,068,450 km (0.084 R)
• M19: 30,752,086 km (0.056 R)
• M20: 31,893,069 km (0.078 R)
• M21: 33,929,994 km (0.109 R)
• M22: 35,148,169 km (0.083 R)
• M23: 39,702,976 km (0.032 R)
• M24: 40,683,739 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738

Radius: 3.3

Gravity: 67.77 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 9.41 AU - 13.03 AU

Year: 23896 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,828,829 km

• M1: 41,139 km (0.07 R)
• M2: 281,992 km (0.071 R)
• M3: 387,309 km (0.09 R)
• M4: 764,595 km (0.118 R)
• M5: 1,396,347 km (0.1 R)
• M6: 2,116,361 km (0.068 R)
• M7: 2,387,732 km (0.118 R)
• M8: 2,681,691 km (0.057 R)
• M9: 4,205,495 km (0.084 R)
• M10: 5,050,723 km (0.099 R)
• M11: 9,213,733 km (0.093 R)
• M12: 10,243,265 km (0.076 R)
• M13: 10,818,170 km (0.089 R)
• M14: 13,864,431 km (0.117 R)
• M15: 16,992,972 km (0.092 R)
• M16: 17,258,209 km (0.069 R)
• M17: 18,533,082 km (0.074 R)
• M18: 21,166,453 km (0.071 R)
• M19: 22,201,820 km (0.085 R)
• M20: 23,270,547 km (0.112 R)
• M21: 23,707,373 km (0.101 R)
• M22: 24,261,184 km (0.076 R)
• M23: 35,614,765 km (0.113 R)
• M24: 41,861,374 km (0.103 R)
• M25: 45,157,164 km (0.097 R)
• M26: 47,389,613 km (0.072 R)
• M27: 51,702,370 km (0.103 R)
• M28: 52,073,224 km (0.036 R)
• M29: 56,661,690 km (0.074 R)
• M30: 65,760,082 km (0.047 R)
• M31: 68,177,734 km (0.051 R)
• M32: 71,798,750 km (0.078 R)
• M33: 72,491,687 km (0.057 R)
• M34: 82,413,467 km (0.077 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: 403 - 18,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit