🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.63 AU

Year: 253 Days

Day: 45.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.2

Radius: 10.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.53 AU - 0.85 AU

Year: 376 Days

Day: 14.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 6,792,168 km

• M1: 144,661 km (0.093 R)
• M2: 218,413 km (0.1 R)
• M3: 360,680 km (0.044 R)
• M4: 456,124 km (0.102 R)
• M5: 542,741 km (0.083 R)
• M6: 628,909 km (0.105 R)
• M7: 734,974 km (0.04 R)
• M8: 847,771 km (0.076 R)
• M9: 958,474 km (0.093 R)
• M10: 1,028,336 km (0.057 R)
• M11: 1,104,331 km (0.117 R)
• M12: 1,177,934 km (0.11 R)
• M13: 1,248,843 km (0.112 R)
• M14: 1,325,886 km (0.11 R)
• M15: 1,409,362 km (0.111 R)
• M16: 1,518,568 km (0.103 R)
• M17: 1,625,830 km (0.07 R)
• M18: 1,710,502 km (0.092 R)
• M19: 1,781,411 km (0.061 R)
• M20: 1,921,136 km (0.101 R)
• M21: 1,989,652 km (0.107 R)
• M22: 2,064,451 km (0.093 R)
• M23: 2,178,594 km (0.102 R)
• M24: 2,289,147 km (0.12 R)
• M25: 2,441,587 km (0.105 R)
• M26: 2,573,981 km (0.094 R)
• M27: 2,649,977 km (0.085 R)
• M28: 2,720,886 km (0.072 R)
• M29: 3,022,924 km (0.085 R)
• M30: 3,159,208 km (0.057 R)
• M31: 3,278,737 km (0.074 R)
• M32: 3,425,342 km (0.098 R)
• M33: 3,535,147 km (0.091 R)
• M34: 3,613,387 km (0.119 R)
• M35: 3,745,183 km (0.045 R)
• M36: 3,851,696 km (0.053 R)
• M37: 3,965,989 km (0.111 R)
• M38: 4,225,691 km (0.045 R)
• M39: 4,308,867 km (0.059 R)
• M40: 4,448,592 km (0.077 R)
• M41: 4,526,233 km (0.115 R)
• M42: 4,597,143 km (0.092 R)
• M43: 4,855,498 km (0.086 R)
• M44: 5,008,537 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 10.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.58 AU - 0.96 AU

Year: 443 Days

Day: 13.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 6,792,168 km

• M1: 138,976 km (0.08 R)
• M2: 235,617 km (0.093 R)
• M3: 379,679 km (0.101 R)
• M4: 459,714 km (0.117 R)
• M5: 529,277 km (0.104 R)
• M6: 605,423 km (0.105 R)
• M7: 698,024 km (0.1 R)
• M8: 835,205 km (0.087 R)
• M9: 942,915 km (0.088 R)
• M10: 1,047,035 km (0.083 R)
• M11: 1,131,409 km (0.111 R)
• M12: 1,203,216 km (0.114 R)
• M13: 1,351,617 km (0.059 R)
• M14: 1,428,211 km (0.103 R)
• M15: 1,549,236 km (0.098 R)
• M16: 1,680,582 km (0.107 R)
• M17: 1,752,988 km (0.101 R)
• M18: 1,875,957 km (0.069 R)
• M19: 1,944,024 km (0.07 R)
• M20: 2,108,432 km (0.103 R)
• M21: 2,213,300 km (0.116 R)
• M22: 2,416,454 km (0.107 R)
• M23: 2,498,584 km (0.079 R)
• M24: 2,665,834 km (0.091 R)
• M25: 2,746,916 km (0.099 R)
• M26: 2,816,479 km (0.071 R)
• M27: 2,886,491 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 10.3

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.62 AU - 1 AU

Year: 478 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 6,792,168 km

• M1: 131,197 km (0.048 R)
• M2: 204,799 km (0.1 R)
• M3: 290,369 km (0.052 R)
• M4: 354,846 km (0.1 R)
• M5: 422,614 km (0.089 R)
• M6: 511,326 km (0.098 R)
• M7: 611,706 km (0.047 R)
• M8: 764,894 km (0.06 R)
• M9: 834,607 km (0.112 R)
• M10: 1,042,398 km (0.053 R)
• M11: 1,147,416 km (0.078 R)
• M12: 1,228,647 km (0.077 R)
• M13: 1,345,782 km (0.099 R)
• M14: 1,449,304 km (0.036 R)
• M15: 1,543,551 km (0.099 R)
• M16: 1,640,041 km (0.1 R)
• M17: 1,788,742 km (0.081 R)
• M18: 1,954,945 km (0.066 R)
• M19: 2,020,319 km (0.102 R)
• M20: 2,344,199 km (0.085 R)
• M21: 2,413,911 km (0.069 R)
• M22: 2,648,630 km (0.073 R)
• M23: 2,809,298 km (0.117 R)
• M24: 3,079,323 km (0.045 R)
• M25: 3,171,176 km (0.084 R)
• M26: 3,287,413 km (0.082 R)
• M27: 3,420,855 km (0.095 R)
• M28: 3,508,220 km (0.075 R)
• M29: 3,733,813 km (0.083 R)
• M30: 3,864,861 km (0.047 R)
• M31: 3,964,344 km (0.086 R)
• M32: 4,106,462 km (0.055 R)
• M33: 4,182,457 km (0.095 R)
• M34: 4,275,956 km (0.055 R)
• M35: 4,344,472 km (0.102 R)
• M36: 4,499,904 km (0.106 R)
• M37: 4,657,131 km (0.077 R)
• M38: 4,914,440 km (0.112 R)
• M39: 4,986,247 km (0.093 R)
• M40: 5,076,454 km (0.09 R)
• M41: 5,313,716 km (0.108 R)
• M42: 5,415,144 km (0.082 R)
• M43: 5,676,342 km (0.11 R)
• M44: 5,941,728 km (0.057 R)
• M45: 6,066,343 km (0.072 R)
• M46: 6,133,812 km (0.05 R)
• M47: 6,357,162 km (0.056 R)
• M48: 6,662,640 km (0.085 R)
• M49: 6,752,249 km (0.065 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 17,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit