🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.84 AU

Year: 225 Days

Day: 16.6 Hours

Environment

Temp: 158 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 24,007,296 km

• M1: 158,424 km (0.055 R)
• M2: 448,345 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.68 AU - 0.76 AU

Year: 230 Days

Day: 28.8 Hours

Environment

Temp: 154 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 24,007,296 km

• M1: 520,301 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.93 AU - 1.09 AU

Year: 382 Days

Day: 31.4 Hours

Environment

Temp: 17 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.64 AU - 1.76 AU

Year: 835 Days

Day: 32.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,007,296 km

• M1: 191,036 km (0.065 R)
• M2: 1,338,901 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.74 AU - 3.04 AU

Year: 1851 Days

Day: 12.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 14.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.3 AU - 6.36 AU

Year: 6000 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 24,007,296 km

• M1: 183,108 km (0.071 R)
• M2: 445,502 km (0.054 R)
• M3: 595,699 km (0.114 R)
• M4: 991,235 km (0.081 R)
• M5: 1,277,865 km (0.078 R)
• M6: 1,751,492 km (0.085 R)
• M7: 2,024,209 km (0.062 R)
• M8: 2,213,899 km (0.041 R)
• M9: 2,310,988 km (0.099 R)
• M10: 2,409,573 km (0.062 R)
• M11: 2,679,747 km (0.1 R)
• M12: 2,801,220 km (0.045 R)
• M13: 2,906,836 km (0.074 R)
• M14: 3,195,111 km (0.076 R)
• M15: 3,436,263 km (0.053 R)
• M16: 3,780,338 km (0.103 R)
• M17: 3,877,876 km (0.078 R)
• M18: 4,075,644 km (0.077 R)
• M19: 4,358,235 km (0.086 R)
• M20: 4,481,354 km (0.097 R)
• M21: 4,584,876 km (0.071 R)
• M22: 4,815,406 km (0.069 R)
• M23: 5,007,041 km (0.062 R)
• M24: 5,136,144 km (0.105 R)
• M25: 5,331,967 km (0.081 R)
• M26: 5,441,772 km (0.106 R)
• M27: 5,708,505 km (0.09 R)
• M28: 6,914,264 km (0.073 R)
• M29: 7,034,391 km (0.116 R)
• M30: 7,252,206 km (0.099 R)
• M31: 7,744,383 km (0.059 R)
• M32: 7,969,527 km (0.09 R)
• M33: 8,070,207 km (0.082 R)
• M34: 8,171,484 km (0.059 R)
• M35: 8,273,061 km (0.085 R)
• M36: 8,426,250 km (0.04 R)
• M37: 8,631,947 km (0.079 R)
• M38: 8,735,468 km (0.114 R)
• M39: 8,969,888 km (0.068 R)
• M40: 9,445,011 km (0.103 R)
• M41: 10,091,274 km (0.05 R)
• M42: 10,585,545 km (0.092 R)
• M43: 11,370,037 km (0.079 R)
• M44: 11,855,482 km (0.092 R)
• M45: 12,028,417 km (0.056 R)
• M46: 13,143,519 km (0.117 R)
• M47: 13,262,749 km (0.067 R)
• M48: 13,834,362 km (0.102 R)
• M49: 13,955,836 km (0.102 R)
• M50: 14,352,719 km (0.056 R)
• M51: 14,475,688 km (0.057 R)
• M52: 14,691,558 km (0.117 R)
• M53: 14,846,392 km (0.064 R)
• M54: 15,597,373 km (0.088 R)
• M55: 16,104,959 km (0.118 R)
• M56: 16,618,079 km (0.104 R)
• M57: 17,136,436 km (0.075 R)
• M58: 17,561,593 km (0.083 R)
• M59: 18,056,463 km (0.032 R)
• M60: 18,992,646 km (0.09 R)
• M61: 19,262,970 km (0.111 R)
• M62: 20,219,349 km (0.096 R)
• M63: 20,495,507 km (0.049 R)
• M64: 20,946,843 km (0.032 R)
• M65: 22,107,274 km (0.106 R)
• M66: 22,391,660 km (0.06 R)
• M67: 22,784,803 km (0.026 R)
• M68: 24,527,020 km (0.045 R)
• M69: 24,747,826 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 10.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.48 AU - 7.96 AU

Year: 8081 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 24,007,296 km

• M1: 170,990 km (0.103 R)
• M2: 298,597 km (0.099 R)
• M3: 418,575 km (0.053 R)
• M4: 531,222 km (0.1 R)
• M5: 645,664 km (0.112 R)
• M6: 727,195 km (0.119 R)
• M7: 812,616 km (0.037 R)
• M8: 924,664 km (0.095 R)
• M9: 1,054,366 km (0.096 R)
• M10: 1,346,082 km (0.12 R)
• M11: 1,440,029 km (0.089 R)
• M12: 1,592,320 km (0.088 R)
• M13: 1,706,463 km (0.116 R)
• M14: 1,898,098 km (0.069 R)
• M15: 2,785,961 km (0.063 R)
• M16: 2,855,075 km (0.067 R)
• M17: 3,209,473 km (0.12 R)
• M18: 3,540,682 km (0.08 R)
• M19: 3,921,559 km (0.103 R)
• M20: 3,999,349 km (0.052 R)
• M21: 4,275,806 km (0.078 R)
• M22: 4,436,624 km (0.038 R)
• M23: 4,681,516 km (0.044 R)
• M24: 5,486,352 km (0.046 R)
• M25: 5,904,927 km (0.04 R)
• M26: 6,540,569 km (0.099 R)
• M27: 8,273,510 km (0.088 R)
• M28: 8,499,702 km (0.065 R)
• M29: 8,651,544 km (0.088 R)
• M30: 8,855,596 km (0.092 R)
• M31: 8,983,801 km (0.046 R)
• M32: 9,294,217 km (0.051 R)
• M33: 9,660,881 km (0.084 R)
• M34: 9,899,190 km (0.07 R)
• M35: 10,462,576 km (0.101 R)
• M36: 11,174,662 km (0.096 R)
• M37: 11,789,509 km (0.119 R)
• M38: 13,698,976 km (0.028 R)
• M39: 14,086,435 km (0.109 R)
• M40: 14,176,343 km (0.095 R)
• M41: 14,568,140 km (0.056 R)
• M42: 14,963,527 km (0.095 R)
• M43: 15,177,901 km (0.067 R)
• M44: 15,300,870 km (0.07 R)
• M45: 15,578,673 km (0.047 R)
• M46: 15,671,723 km (0.108 R)
• M47: 16,108,250 km (0.086 R)
• M48: 16,202,197 km (0.046 R)
• M49: 16,580,231 km (0.085 R)
• M50: 16,675,226 km (0.107 R)
• M51: 17,120,728 km (0.083 R)
• M52: 17,377,139 km (0.082 R)
• M53: 17,699,373 km (0.065 R)
• M54: 17,796,462 km (0.117 R)
• M55: 18,088,776 km (0.104 R)
• M56: 18,219,225 km (0.073 R)
• M57: 18,415,348 km (0.093 R)
• M58: 19,107,687 km (0.032 R)
• M59: 19,440,243 km (0.051 R)
• M60: 19,607,344 km (0.047 R)
• M61: 20,449,730 km (0.064 R)
• M62: 20,755,807 km (0.092 R)
• M63: 21,856,698 km (0.043 R)
• M64: 22,800,211 km (0.09 R)
• M65: 23,047,048 km (0.117 R)
• M66: 23,153,113 km (0.11 R)
• M67: 23,401,146 km (0.091 R)
• M68: 23,507,809 km (0.111 R)
• M69: 23,899,905 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 17,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit