🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.54 AU - 0.56 AU

Year: 263 Days

Day: 41.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 14.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.76 AU - 1.14 AU

Year: 598 Days

Day: 11.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,358,177 km

• M1: 184,005 km (0.036 R)
• M2: 649,404 km (0.096 R)
• M3: 1,165,367 km (0.044 R)
• M4: 1,803,851 km (0.115 R)
• M5: 2,478,538 km (0.062 R)
• M6: 2,959,195 km (0.084 R)
• M7: 3,707,783 km (0.045 R)
• M8: 4,911,298 km (0.105 R)
• M9: 5,679,034 km (0.119 R)
• M10: 6,221,027 km (0.074 R)
• M11: 7,409,583 km (0.116 R)
• M12: 8,250,622 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 11.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.86 AU - 1.08 AU

Year: 617 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,358,177 km

• M1: 144,212 km (0.098 R)
• M2: 729,589 km (0.101 R)
• M3: 1,124,976 km (0.105 R)
• M4: 2,176,649 km (0.116 R)
• M5: 2,897,262 km (0.104 R)
• M6: 3,319,577 km (0.119 R)
• M7: 4,369,305 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 9.8

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.26 AU - 1.34 AU

Year: 957 Days

Day: 5.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,358,177 km

• M1: 121,922 km (0.061 R)
• M2: 474,076 km (0.109 R)
• M3: 907,461 km (0.08 R)
• M4: 1,533,079 km (0.12 R)
• M5: 1,967,511 km (0.09 R)
• M6: 2,482,876 km (0.11 R)
• M7: 3,279,933 km (0.105 R)
• M8: 4,444,104 km (0.092 R)
• M9: 5,217,226 km (0.089 R)
• M10: 6,406,379 km (0.101 R)
• M11: 6,863,850 km (0.044 R)
• M12: 7,767,570 km (0.105 R)
• M13: 8,314,799 km (0.115 R)
• M14: 8,804,134 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.56 AU - 3.48 AU

Year: 3389 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 12,358,177 km

• M1: 112,198 km (0.072 R)
• M2: 493,823 km (0.094 R)
• M3: 1,045,839 km (0.105 R)
• M4: 1,396,197 km (0.091 R)
• M5: 1,721,124 km (0.055 R)
• M6: 2,007,304 km (0.107 R)
• M7: 2,367,685 km (0.084 R)
• M8: 2,802,716 km (0.107 R)
• M9: 3,116,124 km (0.098 R)
• M10: 3,794,251 km (0.111 R)
• M11: 6,012,937 km (0.076 R)
• M12: 6,452,605 km (0.077 R)
• M13: 6,913,516 km (0.047 R)
• M14: 7,273,448 km (0.079 R)
• M15: 7,804,970 km (0.05 R)
• M16: 8,429,242 km (0.115 R)
• M17: 8,875,342 km (0.115 R)
• M18: 10,425,176 km (0.088 R)
• M19: 12,584,023 km (0.036 R)
• M20: 13,350,264 km (0.106 R)
• M21: 13,721,416 km (0.074 R)
• M22: 14,004,305 km (0.119 R)
• M23: 16,621,670 km (0.079 R)
• M24: 17,598,993 km (0.084 R)
• M25: 18,271,435 km (0.119 R)
• M26: 19,548,702 km (0.096 R)
• M27: 20,391,985 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.7

Radius: 14.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.41 AU - 3.69 AU

Year: 3439 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 12,358,177 km

• M1: 177,872 km (0.104 R)
• M2: 818,001 km (0.094 R)
• M3: 1,341,145 km (0.104 R)
• M4: 2,065,049 km (0.114 R)
• M5: 2,733,602 km (0.095 R)
• M6: 3,350,992 km (0.078 R)
• M7: 4,394,437 km (0.085 R)
• M8: 5,298,757 km (0.063 R)
• M9: 6,265,159 km (0.041 R)
• M10: 6,899,603 km (0.073 R)
• M11: 7,346,153 km (0.053 R)
• M12: 9,758,419 km (0.06 R)
• M13: 10,487,858 km (0.112 R)
• M14: 11,123,200 km (0.079 R)
• M15: 12,943,956 km (0.071 R)
• M16: 13,925,617 km (0.056 R)
• M17: 16,938,967 km (0.118 R)
• M18: 17,755,472 km (0.096 R)
• M19: 18,476,085 km (0.077 R)
• M20: 21,488,089 km (0.101 R)
• M21: 22,793,779 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 10

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.84 AU - 4.68 AU

Year: 4708 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 12,358,177 km

• M1: 126,111 km (0.112 R)
• M2: 967,449 km (0.072 R)
• M3: 1,470,098 km (0.111 R)
• M4: 1,979,180 km (0.083 R)
• M5: 2,699,344 km (0.046 R)
• M6: 3,111,486 km (0.107 R)
• M7: 3,913,480 km (0.102 R)
• M8: 4,397,579 km (0.115 R)
• M9: 4,871,954 km (0.113 R)
• M10: 5,432,946 km (0.104 R)
• M11: 6,093,570 km (0.082 R)
• M12: 6,776,036 km (0.078 R)
• M13: 7,508,467 km (0.059 R)
• M14: 8,506,434 km (0.064 R)
• M15: 8,833,305 km (0.08 R)
• M16: 9,825,588 km (0.107 R)
• M17: 14,910,121 km (0.12 R)
• M18: 19,195,950 km (0.104 R)
• M19: 20,399,465 km (0.107 R)
• M20: 20,920,963 km (0.093 R)
• M21: 24,238,894 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 14.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.46 AU - 5.1 AU

Year: 5717 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 85.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 12,358,177 km

• M1: 182,509 km (0.067 R)
• M2: 651,798 km (0.06 R)
• M3: 1,403,378 km (0.063 R)
• M4: 2,221,977 km (0.106 R)
• M5: 3,206,032 km (0.082 R)
• M6: 3,777,047 km (0.12 R)
• M7: 4,488,385 km (0.075 R)
• M8: 5,287,686 km (0.11 R)
• M9: 6,180,337 km (0.059 R)
• M10: 6,711,409 km (0.07 R)
• M11: 7,478,398 km (0.103 R)
• M12: 7,973,417 km (0.112 R)
• M13: 10,348,732 km (0.069 R)
• M14: 11,419,853 km (0.075 R)
• M15: 13,625,823 km (0.086 R)
• M16: 15,642,253 km (0.096 R)
• M17: 18,545,798 km (0.094 R)
• M18: 19,456,400 km (0.035 R)
• M19: 20,328,406 km (0.106 R)
• M20: 21,016,706 km (0.098 R)
• M21: 23,027,151 km (0.048 R)
• M22: 26,767,397 km (0.065 R)
• M23: 28,439,004 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 10

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.96 AU - 5 AU

Year: 7176 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,358,177 km

• M1: 124,615 km (0.099 R)
• M2: 454,628 km (0.095 R)
• M3: 1,644,380 km (0.098 R)
• M4: 2,437,996 km (0.102 R)
• M5: 2,753,648 km (0.11 R)
• M6: 3,689,682 km (0.095 R)
• M7: 8,719,761 km (0.114 R)
• M8: 11,324,409 km (0.098 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: 158 - 15,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit