🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.6 AU - 0.96 AU

Year: 253 Days

Day: 19.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,779,015 km

• M1: 41,139 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.77 AU - 1.25 AU

Year: 373 Days

Day: 40.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.18 AU - 1.62 AU

Year: 608 Days

Day: 44.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.16 AU - 1.82 AU

Year: 668 Days

Day: 29.1 Hours

Environment

Temp: -36 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.31 AU - 3.77 AU

Year: 2445 Days

Day: 42.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 13.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.99 AU - 5.15 AU

Year: 4191 Days

Day: 5.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,779,015 km

• M1: 162,912 km (0.047 R)
• M2: 640,428 km (0.098 R)
• M3: 1,091,316 km (0.084 R)
• M4: 1,799,363 km (0.059 R)
• M5: 3,811,006 km (0.115 R)
• M6: 4,437,821 km (0.068 R)
• M7: 5,132,404 km (0.113 R)
• M8: 6,645,736 km (0.06 R)
• M9: 7,354,680 km (0.102 R)
• M10: 8,623,270 km (0.113 R)
• M11: 10,115,359 km (0.103 R)
• M12: 11,545,365 km (0.104 R)
• M13: 12,004,332 km (0.068 R)
• M14: 13,454,683 km (0.084 R)
• M15: 14,803,756 km (0.101 R)
• M16: 16,355,386 km (0.089 R)
• M17: 18,882,393 km (0.106 R)
• M18: 19,975,654 km (0.057 R)
• M19: 21,728,792 km (0.076 R)
• M20: 22,217,977 km (0.087 R)
• M21: 24,322,819 km (0.094 R)
• M22: 24,774,305 km (0.062 R)
• M23: 25,308,220 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.4

Radius: 9.9

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.89 AU - 8.97 AU

Year: 8985 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,779,015 km

• M1: 123,119 km (0.12 R)
• M2: 553,811 km (0.051 R)
• M3: 1,071,420 km (0.12 R)
• M4: 2,008,800 km (0.094 R)
• M5: 2,538,676 km (0.118 R)
• M6: 4,377,533 km (0.049 R)
• M7: 6,393,215 km (0.089 R)
• M8: 6,735,943 km (0.115 R)
• M9: 8,231,174 km (0.025 R)
• M10: 9,785,945 km (0.042 R)
• M11: 10,925,581 km (0.102 R)
• M12: 11,583,513 km (0.093 R)
• M13: 12,267,474 km (0.057 R)
• M14: 15,007,808 km (0.052 R)
• M15: 18,132,160 km (0.07 R)
• M16: 22,008,091 km (0.086 R)
• M17: 29,429,492 km (0.113 R)
• M18: 33,584,273 km (0.104 R)
• M19: 35,208,607 km (0.107 R)
• M20: 37,496,108 km (0.091 R)
• M21: 40,266,511 km (0.086 R)
• M22: 42,098,935 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.2

Radius: 11.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.84 AU - 10.8 AU

Year: 9616 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,779,015 km

• M1: 140,921 km (0.113 R)
• M2: 753,076 km (0.116 R)
• M3: 2,009,698 km (0.105 R)
• M4: 2,645,788 km (0.089 R)
• M5: 3,502,834 km (0.079 R)
• M6: 3,859,625 km (0.112 R)
• M7: 5,229,044 km (0.113 R)
• M8: 5,925,123 km (0.086 R)
• M9: 7,158,707 km (0.06 R)
• M10: 7,736,903 km (0.113 R)
• M11: 9,568,729 km (0.113 R)
• M12: 11,883,756 km (0.056 R)
• M13: 12,312,054 km (0.113 R)
• M14: 13,143,071 km (0.112 R)
• M15: 15,605,302 km (0.04 R)
• M16: 18,502,564 km (0.058 R)
• M17: 19,078,665 km (0.091 R)
• M18: 19,518,483 km (0.107 R)
• M19: 21,346,120 km (0.081 R)
• M20: 22,789,590 km (0.084 R)
• M21: 23,535,335 km (0.1 R)
• M22: 26,139,086 km (0.112 R)
• M23: 28,261,132 km (0.099 R)
• M24: 29,803,486 km (0.097 R)
• M25: 30,396,193 km (0.083 R)
• M26: 34,658,236 km (0.057 R)
• M27: 35,423,579 km (0.083 R)
• M28: 38,949,601 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 13.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.21 AU - 9.69 AU

Year: 9829 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,779,015 km

• M1: 173,534 km (0.1 R)
• M2: 713,283 km (0.107 R)
• M3: 1,379,143 km (0.104 R)
• M4: 1,965,716 km (0.12 R)
• M5: 2,474,498 km (0.034 R)
• M6: 4,454,576 km (0.075 R)
• M7: 5,034,866 km (0.084 R)
• M8: 5,755,180 km (0.11 R)
• M9: 6,510,350 km (0.045 R)
• M10: 7,803,324 km (0.093 R)
• M11: 10,076,613 km (0.039 R)
• M12: 12,504,288 km (0.076 R)
• M13: 14,721,029 km (0.105 R)
• M14: 16,999,255 km (0.091 R)
• M15: 19,503,673 km (0.098 R)
• M16: 20,916,176 km (0.065 R)
• M17: 21,647,560 km (0.06 R)
• M18: 22,169,656 km (0.068 R)
• M19: 23,006,956 km (0.099 R)
• M20: 25,979,017 km (0.092 R)
• M21: 27,775,238 km (0.054 R)
• M22: 28,569,753 km (0.081 R)
• M23: 29,652,841 km (0.098 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.2

Radius: 11.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.06 AU - 11.36 AU

Year: 10260 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,779,015 km

• M1: 148,102 km (0.045 R)
• M2: 653,892 km (0.081 R)
• M3: 1,667,717 km (0.076 R)
• M4: 4,052,606 km (0.081 R)
• M5: 5,159,481 km (0.077 R)
• M6: 8,143,958 km (0.056 R)
• M7: 11,029,253 km (0.06 R)
• M8: 11,713,812 km (0.062 R)
• M9: 13,485,650 km (0.072 R)
• M10: 17,707,451 km (0.083 R)
• M11: 19,128,332 km (0.116 R)
• M12: 20,794,852 km (0.067 R)
• M13: 23,380,352 km (0.086 R)
• M14: 25,283,686 km (0.062 R)
• M15: 26,073,263 km (0.051 R)
• M16: 30,712,742 km (0.08 R)
• M17: 33,698,267 km (0.046 R)
• M18: 34,293,816 km (0.119 R)
• M19: 40,775,892 km (0.077 R)
• M20: 43,245,752 km (0.054 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 15,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit