🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.4 AU - 0.64 AU

Year: 165 Days

Day: 32.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.11 AU

Year: 388 Days

Day: 38.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.3 AU - 1.48 AU

Year: 721 Days

Day: 27.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.61 AU - 1.63 AU

Year: 907 Days

Day: 34.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,396,726 km

• M1: 17,653 km (0.105 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 8.8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.75 AU - 3.25 AU

Year: 2285 Days

Day: 12.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,396,726 km

• M1: 109,655 km (0.028 R)
• M2: 409,599 km (0.063 R)
• M3: 736,470 km (0.099 R)
• M4: 1,025,493 km (0.09 R)
• M5: 1,383,182 km (0.042 R)
• M6: 1,802,654 km (0.036 R)
• M7: 2,135,958 km (0.114 R)
• M8: 3,557,437 km (0.08 R)
• M9: 4,030,915 km (0.08 R)
• M10: 4,646,061 km (0.115 R)
• M11: 5,344,384 km (0.047 R)
• M12: 7,833,094 km (0.083 R)
• M13: 8,242,543 km (0.106 R)
• M14: 9,393,998 km (0.06 R)
• M15: 10,578,664 km (0.116 R)
• M16: 11,152,072 km (0.112 R)
• M17: 11,595,780 km (0.09 R)
• M18: 12,361,272 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.9

Radius: 13.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.5 AU - 5.34 AU

Year: 4799 Days

Day: 5.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,396,726 km

• M1: 164,258 km (0.092 R)
• M2: 579,243 km (0.084 R)
• M3: 1,017,565 km (0.102 R)
• M4: 1,689,558 km (0.095 R)
• M5: 4,069,212 km (0.117 R)
• M6: 6,135,009 km (0.112 R)
• M7: 7,024,518 km (0.06 R)
• M8: 7,535,394 km (0.059 R)
• M9: 12,563,229 km (0.108 R)
• M10: 15,479,191 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.3

Radius: 11.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.15 AU - 6.09 AU

Year: 5858 Days

Day: 14.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 94,396,726 km

• M1: 144,212 km (0.041 R)
• M2: 942,766 km (0.104 R)
• M3: 1,554,023 km (0.094 R)
• M4: 1,951,504 km (0.054 R)
• M5: 3,881,018 km (0.102 R)
• M6: 4,358,085 km (0.107 R)
• M7: 4,762,149 km (0.095 R)
• M8: 6,193,801 km (0.072 R)
• M9: 6,601,455 km (0.073 R)
• M10: 7,546,764 km (0.108 R)
• M11: 8,012,612 km (0.045 R)
• M12: 8,456,319 km (0.116 R)
• M13: 9,087,921 km (0.056 R)
• M14: 11,778,888 km (0.099 R)
• M15: 12,513,563 km (0.095 R)
• M16: 13,056,753 km (0.057 R)
• M17: 13,672,348 km (0.064 R)
• M18: 15,204,679 km (0.119 R)
• M19: 17,377,438 km (0.05 R)
• M20: 20,786,624 km (0.106 R)
• M21: 21,626,467 km (0.103 R)
• M22: 22,488,749 km (0.081 R)
• M23: 26,968,158 km (0.118 R)
• M24: 29,084,818 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.8

Radius: 3.1

Gravity: 98.63 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 12.69 AU - 13.21 AU

Year: 20491 Days

Day: 24.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,396,726 km

• M1: 38,596 km (0.109 R)
• M2: 214,972 km (0.109 R)
• M3: 476,768 km (0.111 R)
• M4: 836,252 km (0.117 R)
• M5: 1,400,535 km (0.11 R)
• M6: 1,696,440 km (0.102 R)
• M7: 1,889,122 km (0.117 R)
• M8: 2,205,073 km (0.108 R)
• M9: 2,317,869 km (0.096 R)
• M10: 2,434,556 km (0.063 R)
• M11: 2,887,389 km (0.089 R)
• M12: 3,423,846 km (0.085 R)
• M13: 4,261,445 km (0.079 R)
• M14: 5,069,573 km (0.112 R)
• M15: 6,106,136 km (0.071 R)
• M16: 7,030,950 km (0.11 R)
• M17: 8,045,224 km (0.101 R)
• M18: 9,095,551 km (0.076 R)
• M19: 10,676,351 km (0.094 R)
• M20: 14,683,629 km (0.034 R)
• M21: 20,368,049 km (0.117 R)
• M22: 20,466,933 km (0.084 R)
• M23: 21,167,800 km (0.096 R)
• M24: 24,353,486 km (0.063 R)
• M25: 24,913,730 km (0.119 R)
• M26: 25,140,221 km (0.044 R)
• M27: 25,368,059 km (0.104 R)
• M28: 26,059,799 km (0.098 R)
• M29: 30,996,380 km (0.119 R)
• M30: 31,654,012 km (0.12 R)
• M31: 34,941,126 km (0.047 R)
• M32: 43,807,941 km (0.113 R)
• M33: 52,006,054 km (0.102 R)
• M34: 54,632,095 km (0.093 R)
• M35: 66,020,383 km (0.086 R)
• M36: 67,986,697 km (0.072 R)
• M37: 80,116,092 km (0.071 R)
• M38: 85,397,047 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.3

Radius: 5.4

Gravity: 30.57 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 13.02 AU - 15.94 AU

Year: 24228 Days

Day: 15.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 94,396,726 km

• M1: 70,012 km (0.046 R)
• M2: 238,459 km (0.048 R)
• M3: 411,693 km (0.068 R)
• M4: 714,180 km (0.078 R)
• M5: 903,870 km (0.106 R)
• M6: 1,649,765 km (0.093 R)
• M7: 2,391,621 km (0.082 R)
• M8: 2,665,385 km (0.064 R)
• M9: 3,742,041 km (0.073 R)
• M10: 4,845,176 km (0.088 R)
• M11: 5,408,412 km (0.065 R)
• M12: 5,749,196 km (0.088 R)
• M13: 6,241,074 km (0.081 R)
• M14: 6,956,451 km (0.085 R)
• M15: 7,359,617 km (0.115 R)
• M16: 8,047,917 km (0.096 R)
• M17: 10,369,376 km (0.094 R)
• M18: 17,628,463 km (0.097 R)
• M19: 21,795,662 km (0.075 R)
• M20: 28,692,872 km (0.092 R)
• M21: 29,989,885 km (0.1 R)
• M22: 30,386,469 km (0.078 R)
• M23: 30,920,683 km (0.072 R)
• M24: 31,597,314 km (0.067 R)
• M25: 33,971,582 km (0.118 R)
• M26: 37,217,257 km (0.032 R)
• M27: 38,136,985 km (0.059 R)
• M28: 39,545,000 km (0.116 R)
• M29: 41,639,221 km (0.049 R)
• M30: 55,379,785 km (0.076 R)
• M31: 59,440,320 km (0.056 R)
• M32: 59,648,411 km (0.063 R)
• M33: 74,241,384 km (0.105 R)
• M34: 74,966,934 km (0.061 R)
• M35: 79,672,684 km (0.047 R)
• M36: 80,179,223 km (0.098 R)
• M37: 82,485,124 km (0.09 R)
• M38: 85,627,727 km (0.084 R)
• M39: 86,159,248 km (0.093 R)
• M40: 93,831,824 km (0.064 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 19,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit