🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.47 AU - 0.65 AU

Year: 187 Days

Day: 41.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 10.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,173,190 km

• M1: 109,655 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.68 AU - 0.78 AU

Year: 278 Days

Day: 31.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,173,190 km

• M1: 183,407 km (0.044 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.1 AU - 1.7 AU

Year: 739 Days

Day: 42 Hours

Environment

Temp: -96 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 8.9

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.47 AU - 2.67 AU

Year: 1838 Days

Day: 6.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,173,190 km

• M1: 110,702 km (0.108 R)
• M2: 484,697 km (0.115 R)
• M3: 867,368 km (0.066 R)
• M4: 1,518,568 km (0.101 R)
• M5: 1,832,125 km (0.111 R)
• M6: 2,306,350 km (0.059 R)
• M7: 3,059,276 km (0.076 R)
• M8: 3,437,460 km (0.091 R)
• M9: 4,782,943 km (0.075 R)
• M10: 5,751,141 km (0.115 R)
• M11: 6,187,218 km (0.032 R)
• M12: 6,971,410 km (0.113 R)
• M13: 8,298,643 km (0.119 R)
• M14: 10,111,021 km (0.06 R)
• M15: 10,409,020 km (0.105 R)
• M16: 11,162,395 km (0.049 R)
• M17: 12,586,267 km (0.073 R)
• M18: 13,008,881 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 13.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.68 AU - 4.22 AU

Year: 2859 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,173,190 km

• M1: 167,849 km (0.075 R)
• M2: 926,011 km (0.075 R)
• M3: 2,418,998 km (0.097 R)
• M4: 3,577,334 km (0.114 R)
• M5: 4,788,478 km (0.118 R)
• M6: 5,291,277 km (0.1 R)
• M7: 6,330,084 km (0.102 R)
• M8: 7,667,040 km (0.062 R)
• M9: 8,872,201 km (0.104 R)
• M10: 13,615,201 km (0.105 R)
• M11: 14,543,307 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 13.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.27 AU - 4.47 AU

Year: 3397 Days

Day: 12.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 68.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,173,190 km

• M1: 176,675 km (0.117 R)
• M2: 678,426 km (0.044 R)
• M3: 3,777,197 km (0.042 R)
• M4: 6,860,558 km (0.091 R)
• M5: 7,680,953 km (0.085 R)
• M6: 8,444,052 km (0.076 R)
• M7: 11,148,333 km (0.105 R)
• M8: 12,049,809 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 14.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.83 AU - 6.25 AU

Year: 6624 Days

Day: 15 Hours

Environment

Temp: -174 °C

Axial Tilt: 125.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,173,190 km

• M1: 185,352 km (0.094 R)
• M2: 651,499 km (0.12 R)
• M3: 1,562,400 km (0.113 R)
• M4: 2,329,688 km (0.047 R)
• M5: 2,826,353 km (0.105 R)
• M6: 3,431,027 km (0.047 R)
• M7: 6,219,232 km (0.099 R)
• M8: 8,055,247 km (0.085 R)
• M9: 8,741,153 km (0.069 R)
• M10: 9,503,205 km (0.098 R)
• M11: 11,077,124 km (0.102 R)
• M12: 12,956,821 km (0.032 R)
• M13: 14,737,634 km (0.116 R)
• M14: 18,311,527 km (0.038 R)
• M15: 18,958,837 km (0.068 R)
• M16: 20,675,623 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 9.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.16 AU - 7.58 AU

Year: 8928 Days

Day: 10.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,173,190 km

• M1: 121,922 km (0.071 R)
• M2: 649,105 km (0.117 R)
• M3: 1,545,047 km (0.061 R)
• M4: 2,930,772 km (0.118 R)
• M5: 3,315,687 km (0.095 R)
• M6: 4,677,925 km (0.111 R)
• M7: 7,757,398 km (0.034 R)
• M8: 10,636,259 km (0.092 R)
• M9: 11,894,975 km (0.112 R)
• M10: 13,533,521 km (0.104 R)
• M11: 16,974,571 km (0.077 R)
• M12: 17,704,010 km (0.111 R)
• M13: 18,630,171 km (0.062 R)
• M14: 19,105,144 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.4

Radius: 7.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 9.69 AU - 13.21 AU

Year: 17289 Days

Day: 20.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,173,190 km

• M1: 92,451 km (0.117 R)
• M2: 397,332 km (0.069 R)
• M3: 1,376,001 km (0.109 R)
• M4: 2,248,606 km (0.059 R)
• M5: 4,344,472 km (0.107 R)
• M6: 4,591,308 km (0.101 R)
• M7: 4,934,935 km (0.12 R)
• M8: 8,673,834 km (0.116 R)
• M9: 10,906,582 km (0.025 R)
• M10: 12,263,435 km (0.114 R)
• M11: 16,338,182 km (0.051 R)
• M12: 20,306,864 km (0.052 R)
• M13: 21,707,698 km (0.074 R)
• M14: 24,961,751 km (0.119 R)
• M15: 28,146,391 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.7

Radius: 6.7

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 11.43 AU - 12.61 AU

Year: 18596 Days

Day: 16 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,173,190 km

• M1: 83,476 km (0.117 R)
• M2: 584,030 km (0.091 R)
• M3: 805,285 km (0.033 R)
• M4: 1,020,706 km (0.091 R)
• M5: 2,012,241 km (0.046 R)
• M6: 2,462,381 km (0.09 R)
• M7: 3,621,764 km (0.099 R)
• M8: 6,638,406 km (0.096 R)
• M9: 7,386,844 km (0.05 R)
• M10: 8,559,541 km (0.079 R)
• M11: 10,949,367 km (0.068 R)
• M12: 13,170,297 km (0.118 R)
• M13: 13,386,017 km (0.111 R)
• M14: 18,035,220 km (0.083 R)
• M15: 18,660,390 km (0.09 R)
• M16: 21,011,171 km (0.114 R)
• M17: 21,803,441 km (0.095 R)
• M18: 25,061,533 km (0.091 R)
• M19: 25,839,741 km (0.115 R)
• M20: 27,561,463 km (0.052 R)
• M21: 28,271,006 km (0.108 R)
• M22: 29,480,654 km (0.101 R)
• M23: 30,724,411 km (0.115 R)
• M24: 32,523,774 km (0.046 R)
• M25: 39,225,908 km (0.099 R)
• M26: 41,959,510 km (0.093 R)
• M27: 46,293,659 km (0.068 R)
• M28: 47,464,263 km (0.103 R)
• M29: 50,038,693 km (0.104 R)
• M30: 50,564,529 km (0.097 R)
• M31: 57,932,224 km (0.071 R)
• M32: 71,598,887 km (0.054 R)
• M33: 72,713,990 km (0.106 R)
• M34: 77,290,189 km (0.09 R)
• M35: 79,173,177 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 17,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit