🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.44 AU - 0.58 AU

Year: 232 Days

Day: 46.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.6

Radius: 8.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.1 AU - 1.48 AU

Year: 932 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,800,529 km

• M1: 108,159 km (0.101 R)
• M2: 827,426 km (0.104 R)
• M3: 1,734,438 km (0.119 R)
• M4: 2,056,971 km (0.074 R)
• M5: 2,427,674 km (0.107 R)
• M6: 3,048,505 km (0.088 R)
• M7: 3,458,852 km (0.106 R)
• M8: 3,815,643 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 9.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.28 AU - 1.38 AU

Year: 975 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,800,529 km

• M1: 113,246 km (0.108 R)
• M2: 483,949 km (0.102 R)
• M3: 1,238,072 km (0.103 R)
• M4: 1,521,410 km (0.092 R)
• M5: 1,832,574 km (0.114 R)
• M6: 2,444,130 km (0.08 R)
• M7: 3,294,295 km (0.106 R)
• M8: 4,554,358 km (0.038 R)
• M9: 5,870,669 km (0.089 R)
• M10: 6,203,225 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.1

Radius: 10.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.33 AU - 1.53 AU

Year: 1087 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,800,529 km

• M1: 125,662 km (0.113 R)
• M2: 449,093 km (0.106 R)
• M3: 856,298 km (0.057 R)
• M4: 1,202,916 km (0.066 R)
• M5: 2,682,739 km (0.109 R)
• M6: 3,036,837 km (0.118 R)
• M7: 3,840,177 km (0.114 R)
• M8: 4,494,369 km (0.113 R)
• M9: 5,435,489 km (0.094 R)
• M10: 5,811,728 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.72 AU - 4.22 AU

Year: 5029 Days

Day: 9.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,800,529 km

• M1: 184,155 km (0.111 R)
• M2: 1,089,372 km (0.11 R)
• M3: 1,596,658 km (0.032 R)
• M4: 2,278,824 km (0.112 R)
• M5: 3,627,748 km (0.06 R)
• M6: 4,152,538 km (0.097 R)
• M7: 4,844,877 km (0.101 R)
• M8: 5,639,391 km (0.082 R)
• M9: 6,433,307 km (0.118 R)
• M10: 7,053,839 km (0.041 R)
• M11: 8,870,705 km (0.05 R)
• M12: 11,400,106 km (0.1 R)
• M13: 12,090,201 km (0.111 R)
• M14: 15,390,479 km (0.118 R)
• M15: 17,052,960 km (0.065 R)
• M16: 18,013,977 km (0.116 R)
• M17: 18,832,278 km (0.042 R)
• M18: 20,480,248 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.6

Radius: 5.1

Gravity: 11.9 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.59 AU - 8.19 AU

Year: 14091 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,800,529 km

• M1: 64,028 km (0.106 R)
• M2: 332,706 km (0.065 R)
• M3: 528,679 km (0.11 R)
• M4: 2,043,058 km (0.102 R)
• M5: 2,887,389 km (0.11 R)
• M6: 4,023,435 km (0.073 R)
• M7: 4,826,476 km (0.077 R)
• M8: 6,224,169 km (0.086 R)
• M9: 11,389,933 km (0.088 R)
• M10: 21,060,239 km (0.106 R)
• M11: 24,782,982 km (0.079 R)
• M12: 29,124,761 km (0.096 R)
• M13: 34,173,240 km (0.105 R)
• M14: 40,151,769 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.6

Radius: 6.6

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.3 AU - 10.64 AU

Year: 18529 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,800,529 km

• M1: 82,279 km (0.028 R)
• M2: 373,247 km (0.102 R)
• M3: 656,435 km (0.03 R)
• M4: 1,081,144 km (0.116 R)
• M5: 1,559,259 km (0.087 R)
• M6: 1,895,405 km (0.118 R)
• M7: 2,151,666 km (0.108 R)
• M8: 3,986,334 km (0.07 R)
• M9: 4,351,204 km (0.11 R)
• M10: 6,294,330 km (0.107 R)
• M11: 7,066,704 km (0.079 R)
• M12: 7,686,339 km (0.08 R)
• M13: 10,688,917 km (0.057 R)
• M14: 11,504,525 km (0.114 R)
• M15: 12,128,498 km (0.074 R)
• M16: 14,328,484 km (0.104 R)
• M17: 16,143,705 km (0.063 R)
• M18: 18,872,819 km (0.086 R)
• M19: 19,106,640 km (0.068 R)
• M20: 19,900,406 km (0.033 R)
• M21: 21,048,121 km (0.115 R)
• M22: 21,723,556 km (0.062 R)
• M23: 22,500,567 km (0.06 R)
• M24: 26,372,758 km (0.033 R)
• M25: 26,861,345 km (0.071 R)
• M26: 28,773,505 km (0.12 R)
• M27: 39,073,169 km (0.097 R)
• M28: 42,718,270 km (0.06 R)
• M29: 44,073,178 km (0.066 R)
• M30: 45,876,880 km (0.049 R)
• M31: 47,011,131 km (0.053 R)
• M32: 49,040,725 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625

Radius: 3.1

Gravity: 65.04 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.69 AU - 12.05 AU

Year: 21233 Days

Day: 20.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,800,529 km

• M1: 38,895 km (0.093 R)
• M2: 171,140 km (0.053 R)
• M3: 402,568 km (0.117 R)
• M4: 508,932 km (0.029 R)
• M5: 997,070 km (0.11 R)
• M6: 1,434,943 km (0.066 R)
• M7: 2,625,293 km (0.116 R)
• M8: 5,100,240 km (0.109 R)
• M9: 6,532,939 km (0.115 R)
• M10: 13,090,562 km (0.107 R)
• M11: 15,803,818 km (0.063 R)
• M12: 22,308,483 km (0.115 R)
• M13: 23,437,199 km (0.109 R)
• M14: 27,979,439 km (0.045 R)
• M15: 28,929,236 km (0.065 R)
• M16: 36,747,071 km (0.104 R)
• M17: 38,900,234 km (0.109 R)
• M18: 45,535,647 km (0.049 R)
• M19: 56,935,902 km (0.092 R)
• M20: 57,503,626 km (0.113 R)
• M21: 65,024,510 km (0.097 R)
• M22: 68,591,372 km (0.12 R)
• M23: 69,880,756 km (0.107 R)
• M24: 70,313,991 km (0.089 R)
• M25: 75,427,097 km (0.039 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 10,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit