🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.6 AU - 0.74 AU

Year: 193 Days

Day: 41.9 Hours

Environment

Temp: 205 °C

Axial Tilt: 136.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.05 AU - 1.29 AU

Year: 445 Days

Day: 39.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,976,957 km

• M1: 167,101 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.37 AU - 1.61 AU

Year: 639 Days

Day: 24.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.51 AU - 4.17 AU

Year: 2645 Days

Day: 30.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,976,957 km

• M1: 1,441,375 km (0.108 R)
• M2: 2,762,773 km (0.061 R)

Asteroid Belt

Center: 5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 14.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.33 AU - 6.97 AU

Year: 5360 Days

Day: 5.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 55.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,976,957 km

• M1: 176,675 km (0.104 R)
• M2: 626,067 km (0.04 R)
• M3: 1,408,165 km (0.112 R)
• M4: 2,214,497 km (0.064 R)
• M5: 3,370,739 km (0.073 R)
• M6: 3,835,989 km (0.113 R)
• M7: 4,948,249 km (0.058 R)
• M8: 5,471,093 km (0.081 R)
• M9: 6,722,031 km (0.115 R)
• M10: 7,668,088 km (0.088 R)
• M11: 8,155,777 km (0.109 R)
• M12: 10,359,802 km (0.035 R)
• M13: 13,730,392 km (0.049 R)
• M14: 14,982,376 km (0.098 R)
• M15: 16,026,420 km (0.091 R)
• M16: 16,768,425 km (0.082 R)
• M17: 18,692,703 km (0.06 R)
• M18: 19,515,042 km (0.07 R)
• M19: 21,164,209 km (0.104 R)
• M20: 26,353,311 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 14.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.77 AU - 7.61 AU

Year: 6776 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,976,957 km

• M1: 184,454 km (0.052 R)
• M2: 676,182 km (0.102 R)
• M3: 2,857,319 km (0.113 R)
• M4: 3,692,075 km (0.067 R)
• M5: 4,433,333 km (0.081 R)
• M6: 5,789,288 km (0.081 R)
• M7: 6,531,593 km (0.07 R)
• M8: 7,095,277 km (0.098 R)
• M9: 7,727,328 km (0.089 R)
• M10: 8,473,672 km (0.038 R)
• M11: 9,024,492 km (0.073 R)
• M12: 9,557,210 km (0.06 R)
• M13: 10,596,167 km (0.117 R)
• M14: 11,282,971 km (0.069 R)
• M15: 12,343,919 km (0.074 R)
• M16: 13,417,732 km (0.047 R)
• M17: 14,113,213 km (0.108 R)
• M18: 14,776,380 km (0.111 R)
• M19: 16,891,544 km (0.054 R)
• M20: 20,854,691 km (0.086 R)
• M21: 21,498,261 km (0.051 R)
• M22: 24,758,597 km (0.101 R)
• M23: 27,219,781 km (0.088 R)
• M24: 28,075,182 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.8

Radius: 3.3

Gravity: 30.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.85 AU - 15.59 AU

Year: 18846 Days

Day: 15.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,976,957 km

• M1: 40,990 km (0.053 R)
• M2: 144,960 km (0.119 R)
• M3: 279,898 km (0.102 R)
• M4: 555,906 km (0.098 R)
• M5: 764,894 km (0.065 R)
• M6: 913,893 km (0.045 R)
• M7: 1,351,766 km (0.119 R)
• M8: 2,915,962 km (0.094 R)
• M9: 3,594,388 km (0.097 R)
• M10: 4,433,632 km (0.096 R)
• M11: 4,751,079 km (0.082 R)
• M12: 5,574,465 km (0.065 R)
• M13: 5,868,874 km (0.074 R)
• M14: 6,173,455 km (0.102 R)
• M15: 7,721,045 km (0.104 R)
• M16: 8,133,187 km (0.117 R)
• M17: 9,665,369 km (0.101 R)
• M18: 9,876,152 km (0.043 R)
• M19: 11,205,479 km (0.085 R)
• M20: 11,673,870 km (0.092 R)
• M21: 12,216,312 km (0.113 R)
• M22: 12,462,699 km (0.076 R)
• M23: 14,011,037 km (0.104 R)
• M24: 16,047,214 km (0.042 R)
• M25: 18,838,561 km (0.1 R)
• M26: 21,221,056 km (0.061 R)
• M27: 22,392,557 km (0.101 R)
• M28: 22,668,865 km (0.069 R)
• M29: 25,060,635 km (0.104 R)
• M30: 26,779,664 km (0.061 R)
• M31: 31,590,732 km (0.099 R)
• M32: 35,805,652 km (0.103 R)
• M33: 36,183,387 km (0.057 R)
• M34: 37,591,402 km (0.045 R)
• M35: 38,770,233 km (0.049 R)
• M36: 40,516,040 km (0.096 R)
• M37: 40,652,473 km (0.079 R)
• M38: 48,946,030 km (0.077 R)
• M39: 52,426,723 km (0.105 R)
• M40: 54,392,888 km (0.065 R)

Asteroid Belt

Center: 14.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.5

Radius: 3.5

Gravity: 62.24 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 11.78 AU - 18.98 AU

Year: 21199 Days

Day: 21.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,976,957 km

• M1: 46,525 km (0.104 R)
• M2: 545,583 km (0.078 R)
• M3: 1,001,857 km (0.03 R)
• M4: 1,483,562 km (0.095 R)
• M5: 2,414,210 km (0.114 R)
• M6: 2,580,114 km (0.103 R)
• M7: 4,682,862 km (0.043 R)
• M8: 5,773,431 km (0.05 R)
• M9: 6,741,329 km (0.115 R)
• M10: 7,118,615 km (0.065 R)
• M11: 7,312,344 km (0.072 R)
• M12: 9,920,882 km (0.056 R)
• M13: 10,346,787 km (0.105 R)
• M14: 11,169,875 km (0.12 R)
• M15: 15,377,315 km (0.084 R)
• M16: 15,701,194 km (0.085 R)
• M17: 17,042,638 km (0.078 R)
• M18: 20,433,274 km (0.112 R)
• M19: 21,321,137 km (0.113 R)
• M20: 22,440,877 km (0.043 R)
• M21: 24,247,272 km (0.113 R)
• M22: 25,919,776 km (0.072 R)
• M23: 36,010,302 km (0.083 R)
• M24: 37,741,000 km (0.045 R)
• M25: 39,074,964 km (0.036 R)
• M26: 49,478,149 km (0.092 R)
• M27: 53,072,089 km (0.093 R)
• M28: 54,183,152 km (0.085 R)
• M29: 55,309,774 km (0.08 R)
• M30: 56,451,804 km (0.093 R)
• M31: 58,194,320 km (0.059 R)
• M32: 58,782,987 km (0.06 R)
• M33: 60,572,926 km (0.079 R)
• M34: 64,679,836 km (0.05 R)
• M35: 66,801,284 km (0.099 R)
• M36: 69,407,578 km (0.075 R)
• M37: 79,062,624 km (0.109 R)
• M38: 79,784,584 km (0.062 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 17,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit