🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.97 AU - 1.45 AU

Year: 585 Days

Day: 43.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.51 AU - 2.01 AU

Year: 1027 Days

Day: 30.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,560,606 km

• M1: 164,408 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.03 AU - 2.29 AU

Year: 1396 Days

Day: 40 Hours

Environment

Temp: -125 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 14.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.68 AU - 4.84 AU

Year: 3866 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 102,560,606 km

• M1: 177,872 km (0.063 R)
• M2: 652,247 km (0.113 R)
• M3: 1,281,455 km (0.081 R)
• M4: 2,322,806 km (0.108 R)
• M5: 2,830,990 km (0.069 R)
• M6: 3,562,075 km (0.066 R)
• M7: 4,684,508 km (0.08 R)
• M8: 5,278,860 km (0.052 R)
• M9: 7,590,596 km (0.117 R)
• M10: 8,585,123 km (0.056 R)
• M11: 10,237,730 km (0.092 R)
• M12: 11,367,942 km (0.079 R)
• M13: 15,310,893 km (0.114 R)
• M14: 20,208,877 km (0.085 R)
• M15: 20,705,991 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431

Radius: 3.5

Gravity: 35.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.55 AU - 10.85 AU

Year: 14324 Days

Day: 16.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 102,560,606 km

• M1: 44,281 km (0.049 R)
• M2: 160,818 km (0.119 R)
• M3: 318,195 km (0.117 R)
• M4: 773,421 km (0.082 R)
• M5: 898,036 km (0.107 R)
• M6: 1,951,803 km (0.104 R)
• M7: 2,396,408 km (0.081 R)
• M8: 2,860,162 km (0.112 R)
• M9: 3,089,645 km (0.054 R)
• M10: 4,075,046 km (0.116 R)
• M11: 4,732,529 km (0.089 R)
• M12: 5,846,883 km (0.09 R)
• M13: 12,173,826 km (0.102 R)
• M14: 13,971,992 km (0.111 R)
• M15: 15,104,299 km (0.097 R)
• M16: 18,084,288 km (0.091 R)
• M17: 18,550,884 km (0.115 R)
• M18: 19,998,692 km (0.102 R)
• M19: 23,390,375 km (0.11 R)
• M20: 25,463,054 km (0.109 R)
• M21: 25,852,606 km (0.034 R)
• M22: 31,507,556 km (0.064 R)
• M23: 35,581,405 km (0.042 R)
• M24: 39,600,950 km (0.12 R)
• M25: 39,861,849 km (0.111 R)
• M26: 39,992,597 km (0.073 R)
• M27: 43,495,880 km (0.084 R)
• M28: 44,613,526 km (0.071 R)
• M29: 48,081,204 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.7

Radius: 5.6

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.89 AU - 13.17 AU

Year: 17215 Days

Day: 23.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 102,560,606 km

• M1: 69,713 km (0.113 R)
• M2: 270,024 km (0.118 R)
• M3: 621,280 km (0.052 R)
• M4: 898,784 km (0.056 R)
• M5: 1,096,104 km (0.112 R)
• M6: 1,447,359 km (0.115 R)
• M7: 1,975,290 km (0.12 R)
• M8: 2,158,398 km (0.073 R)
• M9: 9,157,484 km (0.077 R)
• M10: 9,462,664 km (0.104 R)
• M11: 12,460,156 km (0.092 R)
• M12: 12,646,555 km (0.057 R)
• M13: 16,035,695 km (0.119 R)
• M14: 16,854,893 km (0.119 R)
• M15: 19,899,958 km (0.099 R)
• M16: 20,498,349 km (0.117 R)
• M17: 29,733,923 km (0.083 R)
• M18: 34,385,220 km (0.107 R)
• M19: 36,500,833 km (0.116 R)
• M20: 39,767,452 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.9

Radius: 4.2

Gravity: 37.64 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 9.72 AU - 15.9 AU

Year: 20160 Days

Day: 18 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 102,560,606 km

• M1: 52,210 km (0.117 R)
• M2: 218,413 km (0.111 R)
• M3: 350,657 km (0.062 R)
• M4: 579,393 km (0.112 R)
• M5: 1,381,836 km (0.086 R)
• M6: 1,524,701 km (0.04 R)
• M7: 1,695,093 km (0.107 R)
• M8: 2,649,079 km (0.082 R)
• M9: 2,795,535 km (0.078 R)
• M10: 3,078,275 km (0.089 R)
• M11: 4,041,536 km (0.108 R)
• M12: 5,077,501 km (0.102 R)
• M13: 5,420,080 km (0.115 R)
• M14: 6,024,905 km (0.078 R)
• M15: 10,385,084 km (0.101 R)
• M16: 15,197,049 km (0.114 R)
• M17: 18,344,289 km (0.077 R)
• M18: 23,008,751 km (0.105 R)
• M19: 23,421,043 km (0.071 R)
• M20: 23,943,438 km (0.102 R)
• M21: 26,785,648 km (0.091 R)
• M22: 28,405,494 km (0.089 R)
• M23: 28,642,158 km (0.112 R)
• M24: 30,458,725 km (0.078 R)
• M25: 33,391,142 km (0.083 R)
• M26: 33,522,788 km (0.043 R)
• M27: 35,675,651 km (0.083 R)
• M28: 41,609,750 km (0.081 R)
• M29: 44,889,085 km (0.065 R)
• M30: 51,253,577 km (0.074 R)
• M31: 62,884,213 km (0.085 R)
• M32: 71,469,635 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.1

Radius: 4.5

Gravity: 49.19 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 12.29 AU - 18.03 AU

Year: 25955 Days

Day: 20.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 102,560,606 km

• M1: 55,950 km (0.057 R)
• M2: 430,393 km (0.061 R)
• M3: 663,766 km (0.114 R)
• M4: 816,056 km (0.105 R)
• M5: 1,088,923 km (0.094 R)
• M6: 2,993,005 km (0.085 R)
• M7: 3,773,307 km (0.107 R)
• M8: 4,014,160 km (0.117 R)
• M9: 4,526,682 km (0.097 R)
• M10: 5,248,192 km (0.093 R)
• M11: 6,043,305 km (0.054 R)
• M12: 7,759,342 km (0.076 R)
• M13: 8,610,255 km (0.117 R)
• M14: 11,750,165 km (0.11 R)
• M15: 13,813,867 km (0.107 R)
• M16: 15,489,962 km (0.11 R)
• M17: 18,445,866 km (0.072 R)
• M18: 24,132,829 km (0.094 R)
• M19: 42,270,524 km (0.108 R)
• M20: 53,528,512 km (0.062 R)
• M21: 65,710,566 km (0.079 R)
• M22: 65,939,301 km (0.039 R)
• M23: 70,387,294 km (0.077 R)
• M24: 75,531,666 km (0.108 R)
• M25: 79,615,089 km (0.101 R)
• M26: 82,240,681 km (0.091 R)
• M27: 82,506,218 km (0.089 R)
• M28: 85,194,641 km (0.088 R)
• M29: 86,835,430 km (0.055 R)
• M30: 95,063,313 km (0.096 R)
• M31: 96,828,119 km (0.116 R)
• M32: 97,124,323 km (0.111 R)
• M33: 97,421,275 km (0.055 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 12,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit