🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.6 AU - 0.74 AU

Year: 245 Days

Day: 27.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 32,104,986 km

• M1: 53,855 km (0.092 R)
• M2: 81,680 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.74 AU - 1.02 AU

Year: 368 Days

Day: 14.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1 AU - 1.08 AU

Year: 473 Days

Day: 22.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 106 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,104,986 km

• M1: 137,181 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.97 AU - 1.37 AU

Year: 565 Days

Day: 28 Hours

Environment

Temp: -76 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,104,986 km

• M1: 161,267 km (0.042 R)
• M2: 318,195 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.2 AU - 1.84 AU

Year: 836 Days

Day: 30.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.85 AU - 2.55 AU

Year: 1456 Days

Day: 15.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,104,986 km

• M1: 273,465 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 12.3

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.65 AU - 3.89 AU

Year: 3266 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 32,104,986 km

• M1: 153,787 km (0.075 R)
• M2: 366,066 km (0.086 R)
• M3: 507,735 km (0.114 R)
• M4: 723,754 km (0.03 R)
• M5: 821,442 km (0.079 R)
• M6: 1,118,543 km (0.091 R)
• M7: 1,367,474 km (0.046 R)
• M8: 1,562,699 km (0.074 R)
• M9: 1,827,488 km (0.058 R)
• M10: 2,043,657 km (0.115 R)
• M11: 2,350,931 km (0.066 R)
• M12: 2,451,012 km (0.088 R)
• M13: 2,655,661 km (0.113 R)
• M14: 2,795,386 km (0.117 R)
• M15: 3,100,416 km (0.098 R)
• M16: 3,229,220 km (0.119 R)
• M17: 3,359,819 km (0.1 R)
• M18: 3,587,955 km (0.08 R)
• M19: 3,665,148 km (0.044 R)
• M20: 3,742,939 km (0.063 R)
• M21: 3,900,166 km (0.098 R)
• M22: 3,999,499 km (0.048 R)
• M23: 4,426,302 km (0.096 R)
• M24: 4,592,804 km (0.075 R)
• M25: 4,740,158 km (0.11 R)
• M26: 4,825,130 km (0.117 R)
• M27: 5,279,608 km (0.105 R)
• M28: 5,567,883 km (0.075 R)
• M29: 5,680,082 km (0.047 R)
• M30: 5,838,506 km (0.094 R)
• M31: 6,136,804 km (0.112 R)
• M32: 6,916,209 km (0.065 R)
• M33: 7,061,319 km (0.053 R)
• M34: 7,256,245 km (0.077 R)
• M35: 7,902,508 km (0.051 R)
• M36: 8,054,349 km (0.076 R)
• M37: 8,489,679 km (0.073 R)
• M38: 8,645,261 km (0.063 R)
• M39: 8,880,279 km (0.067 R)
• M40: 8,959,117 km (0.117 R)
• M41: 9,117,392 km (0.057 R)
• M42: 9,303,342 km (0.106 R)
• M43: 9,787,291 km (0.029 R)
• M44: 9,868,672 km (0.092 R)
• M45: 10,279,318 km (0.079 R)
• M46: 10,807,698 km (0.063 R)
• M47: 10,948,171 km (0.119 R)
• M48: 11,774,998 km (0.069 R)
• M49: 11,977,703 km (0.098 R)
• M50: 12,327,762 km (0.109 R)
• M51: 12,562,930 km (0.055 R)
• M52: 13,037,903 km (0.049 R)
• M53: 14,529,095 km (0.118 R)
• M54: 14,684,228 km (0.094 R)
• M55: 15,090,386 km (0.1 R)
• M56: 15,279,029 km (0.046 R)
• M57: 15,690,573 km (0.079 R)
• M58: 16,009,665 km (0.09 R)
• M59: 16,784,133 km (0.049 R)
• M60: 16,946,896 km (0.114 R)
• M61: 17,769,235 km (0.041 R)
• M62: 18,135,301 km (0.064 R)
• M63: 18,402,932 km (0.031 R)
• M64: 18,942,382 km (0.05 R)
• M65: 19,384,443 km (0.118 R)
• M66: 19,555,434 km (0.112 R)
• M67: 20,556,842 km (0.107 R)
• M68: 20,906,003 km (0.084 R)
• M69: 21,327,570 km (0.114 R)
• M70: 22,322,246 km (0.12 R)
• M71: 22,681,132 km (0.11 R)
• M72: 23,623,299 km (0.115 R)
• M73: 24,578,182 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.1

Radius: 13.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.1 AU - 7.18 AU

Year: 7635 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 53.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 32,104,986 km

• M1: 176,825 km (0.092 R)
• M2: 283,039 km (0.115 R)
• M3: 456,423 km (0.092 R)
• M4: 788,530 km (0.099 R)
• M5: 1,033,871 km (0.081 R)
• M6: 1,400,834 km (0.07 R)
• M7: 1,532,331 km (0.106 R)
• M8: 1,720,525 km (0.082 R)
• M9: 1,844,392 km (0.104 R)
• M10: 2,082,702 km (0.061 R)
• M11: 2,390,125 km (0.114 R)
• M12: 2,529,401 km (0.112 R)
• M13: 3,355,031 km (0.091 R)
• M14: 3,511,810 km (0.061 R)
• M15: 4,187,244 km (0.062 R)
• M16: 4,356,440 km (0.084 R)
• M17: 4,776,810 km (0.088 R)
• M18: 4,953,784 km (0.083 R)
• M19: 5,107,122 km (0.097 R)
• M20: 5,314,165 km (0.104 R)
• M21: 5,844,190 km (0.064 R)
• M22: 6,170,314 km (0.118 R)
• M23: 6,391,120 km (0.08 R)
• M24: 6,755,541 km (0.107 R)
• M25: 6,983,229 km (0.033 R)
• M26: 7,242,332 km (0.054 R)
• M27: 7,681,551 km (0.031 R)
• M28: 7,949,182 km (0.111 R)
• M29: 8,039,090 km (0.076 R)
• M30: 8,310,910 km (0.075 R)
• M31: 8,463,200 km (0.068 R)
• M32: 8,832,557 km (0.106 R)
• M33: 9,113,053 km (0.047 R)
• M34: 9,619,143 km (0.098 R)
• M35: 9,715,035 km (0.079 R)
• M36: 9,875,703 km (0.063 R)
• M37: 11,529,508 km (0.074 R)
• M38: 11,665,642 km (0.118 R)
• M39: 11,870,591 km (0.119 R)
• M40: 12,249,672 km (0.081 R)
• M41: 12,597,786 km (0.053 R)
• M42: 12,702,804 km (0.101 R)
• M43: 13,877,746 km (0.111 R)
• M44: 14,680,189 km (0.087 R)
• M45: 15,348,143 km (0.083 R)
• M46: 16,292,106 km (0.116 R)
• M47: 16,675,076 km (0.096 R)
• M48: 17,060,889 km (0.11 R)
• M49: 17,802,296 km (0.067 R)
• M50: 18,117,499 km (0.103 R)
• M51: 18,434,646 km (0.105 R)
• M52: 18,833,774 km (0.08 R)
• M53: 19,154,960 km (0.115 R)
• M54: 19,884,549 km (0.068 R)
• M55: 20,252,709 km (0.071 R)
• M56: 20,871,446 km (0.108 R)
• M57: 22,000,760 km (0.063 R)
• M58: 22,850,177 km (0.049 R)
• M59: 23,364,943 km (0.088 R)
• M60: 23,840,066 km (0.12 R)
• M61: 24,449,528 km (0.1 R)
• M62: 24,756,204 km (0.086 R)
• M63: 25,284,883 km (0.105 R)
• M64: 25,906,462 km (0.088 R)
• M65: 26,488,098 km (0.112 R)
• M66: 28,488,671 km (0.052 R)
• M67: 28,626,749 km (0.097 R)
• M68: 28,811,353 km (0.055 R)
• M69: 30,726,056 km (0.095 R)
• M70: 31,151,812 km (0.054 R)
• M71: 31,770,249 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 15,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit