🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.89 AU - 1.29 AU

Year: 424 Days

Day: 42.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.87 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 12.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.02 AU - 5.28 AU

Year: 3738 Days

Day: 7.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,679,322 km

• M1: 169,195 km (0.03 R)
• M2: 650,003 km (0.034 R)
• M3: 1,086,829 km (0.119 R)
• M4: 1,588,580 km (0.051 R)
• M5: 2,132,518 km (0.089 R)
• M6: 2,620,207 km (0.078 R)
• M7: 4,077,290 km (0.116 R)
• M8: 4,714,726 km (0.104 R)
• M9: 6,693,158 km (0.113 R)
• M10: 7,749,020 km (0.05 R)
• M11: 9,712,193 km (0.093 R)
• M12: 10,311,781 km (0.047 R)
• M13: 11,366,147 km (0.079 R)
• M14: 11,762,881 km (0.081 R)
• M15: 12,260,443 km (0.12 R)
• M16: 13,152,794 km (0.108 R)
• M17: 13,738,320 km (0.105 R)
• M18: 14,909,373 km (0.086 R)
• M19: 16,535,352 km (0.074 R)
• M20: 16,931,188 km (0.061 R)
• M21: 17,800,800 km (0.101 R)
• M22: 18,578,260 km (0.068 R)
• M23: 19,566,205 km (0.033 R)
• M24: 22,189,104 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.2

Radius: 8.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.11 AU - 5.83 AU

Year: 4130 Days

Day: 6.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,679,322 km

• M1: 100,679 km (0.101 R)
• M2: 473,328 km (0.082 R)
• M3: 1,200,074 km (0.08 R)
• M4: 2,219,584 km (0.051 R)
• M5: 2,562,911 km (0.084 R)
• M6: 3,081,716 km (0.095 R)
• M7: 4,239,005 km (0.11 R)
• M8: 4,557,200 km (0.091 R)
• M9: 4,842,483 km (0.087 R)
• M10: 5,216,029 km (0.1 R)
• M11: 5,771,336 km (0.107 R)
• M12: 7,093,183 km (0.099 R)
• M13: 8,463,500 km (0.063 R)
• M14: 9,962,620 km (0.063 R)
• M15: 11,940,752 km (0.118 R)
• M16: 13,477,272 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427

Radius: 8.1

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.87 AU - 5.25 AU

Year: 4243 Days

Day: 8.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,679,322 km

• M1: 100,979 km (0.115 R)
• M2: 514,766 km (0.095 R)
• M3: 1,210,995 km (0.102 R)
• M4: 2,008,651 km (0.092 R)
• M5: 2,356,017 km (0.112 R)
• M6: 3,356,228 km (0.116 R)
• M7: 3,786,322 km (0.104 R)
• M8: 4,341,480 km (0.076 R)
• M9: 4,685,705 km (0.115 R)
• M10: 5,173,094 km (0.096 R)
• M11: 5,613,660 km (0.078 R)
• M12: 6,107,034 km (0.109 R)
• M13: 6,688,820 km (0.104 R)
• M14: 8,409,644 km (0.083 R)
• M15: 9,657,739 km (0.037 R)
• M16: 10,086,786 km (0.118 R)
• M17: 10,774,637 km (0.105 R)
• M18: 11,842,766 km (0.117 R)
• M19: 12,109,349 km (0.057 R)
• M20: 13,406,512 km (0.095 R)
• M21: 13,842,441 km (0.118 R)
• M22: 15,734,704 km (0.066 R)
• M23: 18,497,777 km (0.045 R)
• M24: 20,025,021 km (0.081 R)
• M25: 20,851,550 km (0.086 R)
• M26: 21,305,878 km (0.055 R)
• M27: 22,845,540 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.4

Radius: 8.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.4 AU - 5.84 AU

Year: 4319 Days

Day: 9.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,679,322 km

• M1: 108,758 km (0.098 R)
• M2: 488,287 km (0.105 R)
• M3: 877,242 km (0.119 R)
• M4: 1,192,145 km (0.083 R)
• M5: 1,632,562 km (0.049 R)
• M6: 2,461,334 km (0.116 R)
• M7: 6,009,496 km (0.11 R)
• M8: 9,468,199 km (0.059 R)
• M9: 13,123,772 km (0.109 R)
• M10: 14,287,943 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.1

Radius: 10.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.22 AU - 9.64 AU

Year: 9124 Days

Day: 7.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,679,322 km

• M1: 132,394 km (0.09 R)
• M2: 675,883 km (0.097 R)
• M3: 1,019,509 km (0.108 R)
• M4: 1,724,115 km (0.102 R)
• M5: 2,070,734 km (0.115 R)
• M6: 2,556,328 km (0.057 R)
• M7: 4,623,771 km (0.083 R)
• M8: 12,926,902 km (0.096 R)
• M9: 13,500,609 km (0.112 R)
• M10: 19,903,398 km (0.112 R)
• M11: 23,333,677 km (0.113 R)
• M12: 23,841,712 km (0.07 R)
• M13: 24,184,590 km (0.111 R)
• M14: 28,655,323 km (0.101 R)
• M15: 29,828,768 km (0.07 R)
• M16: 32,690,875 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 8.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.12 AU - 9.7 AU

Year: 10761 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,679,322 km

• M1: 109,506 km (0.113 R)
• M2: 391,647 km (0.075 R)
• M3: 842,984 km (0.089 R)
• M4: 1,386,024 km (0.093 R)
• M5: 1,871,320 km (0.069 R)
• M6: 2,744,523 km (0.045 R)
• M7: 4,172,135 km (0.058 R)
• M8: 4,493,471 km (0.119 R)
• M9: 5,355,305 km (0.116 R)
• M10: 7,692,323 km (0.109 R)
• M11: 8,921,867 km (0.084 R)
• M12: 10,546,201 km (0.116 R)
• M13: 19,367,988 km (0.108 R)
• M14: 19,709,968 km (0.109 R)
• M15: 20,974,070 km (0.114 R)
• M16: 23,508,109 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.9

Radius: 4.1

Gravity: 16.12 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 18.75 AU - 20.31 AU

Year: 32174 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,679,322 km

• M1: 53,257 km (0.117 R)
• M2: 193,580 km (0.065 R)
• M3: 434,133 km (0.083 R)
• M4: 584,928 km (0.106 R)
• M5: 834,008 km (0.078 R)
• M6: 1,978,432 km (0.059 R)
• M7: 2,182,633 km (0.107 R)
• M8: 3,364,606 km (0.107 R)
• M9: 5,332,267 km (0.111 R)
• M10: 5,809,783 km (0.057 R)
• M11: 6,712,905 km (0.074 R)
• M12: 7,174,265 km (0.047 R)
• M13: 7,316,832 km (0.103 R)
• M14: 7,607,351 km (0.085 R)
• M15: 7,956,064 km (0.089 R)
• M16: 10,215,739 km (0.109 R)
• M17: 10,763,567 km (0.101 R)
• M18: 12,800,043 km (0.097 R)
• M19: 14,242,016 km (0.057 R)
• M20: 15,157,256 km (0.087 R)
• M21: 16,437,814 km (0.091 R)
• M22: 16,852,200 km (0.07 R)
• M23: 18,137,545 km (0.116 R)
• M24: 19,029,747 km (0.102 R)
• M25: 24,788,816 km (0.046 R)
• M26: 29,616,339 km (0.076 R)
• M27: 30,353,408 km (0.116 R)
• M28: 36,836,381 km (0.073 R)
• M29: 38,408,505 km (0.119 R)
• M30: 51,034,715 km (0.093 R)
• M31: 51,915,847 km (0.11 R)
• M32: 53,346,451 km (0.095 R)
• M33: 57,986,528 km (0.076 R)
• M34: 68,271,382 km (0.108 R)
• M35: 71,952,387 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit