🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.22 AU - 1.62 AU

Year: 597 Days

Day: 46.8 Hours

Environment

Temp: -15 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.29 AU - 1.85 AU

Year: 695 Days

Day: 23.1 Hours

Environment

Temp: -24 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,828,117 km

• M1: 1,382,135 km (0.034 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.37 AU - 2.25 AU

Year: 860 Days

Day: 19.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.8 AU - 2.28 AU

Year: 1029 Days

Day: 41.9 Hours

Environment

Temp: -63 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.34 AU - 3.7 AU

Year: 2332 Days

Day: 42.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.95 AU - 4.01 AU

Year: 2804 Days

Day: 43.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,828,117 km

• M1: 229,334 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 10.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.5 AU - 6.56 AU

Year: 5892 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 56.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 75,828,117 km

• M1: 132,693 km (0.063 R)
• M2: 300,841 km (0.094 R)
• M3: 407,505 km (0.056 R)
• M4: 674,836 km (0.109 R)
• M5: 779,405 km (0.117 R)
• M6: 889,958 km (0.058 R)
• M7: 986,299 km (0.077 R)
• M8: 1,190,051 km (0.039 R)
• M9: 1,275,621 km (0.098 R)
• M10: 1,352,215 km (0.118 R)
• M11: 1,533,378 km (0.109 R)
• M12: 1,832,724 km (0.076 R)
• M13: 2,150,619 km (0.053 R)
• M14: 2,269,400 km (0.051 R)
• M15: 2,445,028 km (0.076 R)
• M16: 2,527,606 km (0.111 R)
• M17: 2,709,816 km (0.101 R)
• M18: 2,781,024 km (0.04 R)
• M19: 2,983,879 km (0.092 R)
• M20: 3,343,213 km (0.118 R)
• M21: 3,481,442 km (0.119 R)
• M22: 3,700,453 km (0.101 R)
• M23: 3,875,782 km (0.09 R)
• M24: 4,218,062 km (0.069 R)
• M25: 4,284,483 km (0.079 R)
• M26: 4,468,638 km (0.064 R)
• M27: 4,810,320 km (0.111 R)
• M28: 4,914,440 km (0.108 R)
• M29: 5,019,457 km (0.068 R)
• M30: 5,125,073 km (0.062 R)
• M31: 5,231,587 km (0.107 R)
• M32: 5,338,699 km (0.107 R)
• M33: 5,664,673 km (0.101 R)
• M34: 6,355,217 km (0.11 R)
• M35: 6,758,981 km (0.089 R)
• M36: 6,934,460 km (0.109 R)
• M37: 7,410,181 km (0.09 R)
• M38: 7,631,735 km (0.118 R)
• M39: 7,733,163 km (0.107 R)
• M40: 7,999,148 km (0.112 R)
• M41: 8,122,865 km (0.11 R)
• M42: 8,793,512 km (0.071 R)
• M43: 9,351,512 km (0.06 R)
• M44: 9,547,336 km (0.114 R)
• M45: 10,031,884 km (0.097 R)
• M46: 10,187,765 km (0.048 R)
• M47: 10,978,988 km (0.06 R)
• M48: 11,139,656 km (0.058 R)
• M49: 11,649,635 km (0.117 R)
• M50: 11,860,418 km (0.12 R)
• M51: 12,167,244 km (0.086 R)
• M52: 13,469,343 km (0.116 R)
• M53: 13,863,683 km (0.042 R)
• M54: 14,311,879 km (0.092 R)
• M55: 14,412,109 km (0.083 R)
• M56: 14,739,429 km (0.112 R)
• M57: 14,840,707 km (0.093 R)
• M58: 14,992,998 km (0.11 R)
• M59: 15,427,280 km (0.045 R)
• M60: 15,504,323 km (0.106 R)
• M61: 15,658,858 km (0.112 R)
• M62: 15,839,871 km (0.072 R)
• M63: 15,917,662 km (0.062 R)
• M64: 16,702,153 km (0.052 R)
• M65: 16,887,056 km (0.093 R)
• M66: 17,205,550 km (0.066 R)
• M67: 17,740,961 km (0.085 R)
• M68: 18,037,763 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.1

Radius: 7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 15.61 AU - 15.71 AU

Year: 21882 Days

Day: 17.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 75,828,117 km

• M1: 172,935 km (0.077 R)
• M2: 1,088,923 km (0.096 R)
• M3: 1,216,829 km (0.114 R)
• M4: 1,557,912 km (0.066 R)
• M5: 1,776,475 km (0.099 R)
• M6: 3,916,173 km (0.097 R)
• M7: 4,047,520 km (0.071 R)
• M8: 4,180,213 km (0.072 R)
• M9: 4,971,287 km (0.051 R)
• M10: 6,184,526 km (0.11 R)
• M11: 7,565,912 km (0.098 R)
• M12: 7,647,593 km (0.118 R)
• M13: 8,060,782 km (0.072 R)
• M14: 8,354,143 km (0.108 R)
• M15: 8,779,600 km (0.074 R)
• M16: 9,125,021 km (0.09 R)
• M17: 10,504,912 km (0.038 R)
• M18: 11,476,101 km (0.087 R)
• M19: 11,901,109 km (0.092 R)
• M20: 12,235,161 km (0.06 R)
• M21: 14,455,792 km (0.101 R)
• M22: 17,172,040 km (0.11 R)
• M23: 17,279,601 km (0.118 R)
• M24: 18,257,672 km (0.105 R)
• M25: 20,097,128 km (0.102 R)
• M26: 22,346,032 km (0.032 R)
• M27: 22,404,675 km (0.096 R)
• M28: 25,650,051 km (0.084 R)
• M29: 26,019,707 km (0.08 R)
• M30: 26,764,106 km (0.111 R)
• M31: 27,201,680 km (0.028 R)
• M32: 27,264,362 km (0.027 R)
• M33: 27,578,517 km (0.075 R)
• M34: 28,847,257 km (0.088 R)
• M35: 29,103,219 km (0.105 R)
• M36: 35,264,257 km (0.11 R)
• M37: 37,264,979 km (0.101 R)
• M38: 37,963,302 km (0.105 R)
• M39: 40,298,525 km (0.066 R)
• M40: 41,736,160 km (0.092 R)
• M41: 41,880,971 km (0.1 R)
• M42: 43,044,543 km (0.096 R)
• M43: 43,337,007 km (0.09 R)
• M44: 44,809,798 km (0.061 R)
• M45: 45,180,502 km (0.054 R)
• M46: 45,701,252 km (0.067 R)
• M47: 45,999,700 km (0.093 R)
• M48: 50,862,229 km (0.077 R)
• M49: 51,791,980 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.3

Radius: 6.3

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 14.79 AU - 17.47 AU

Year: 22874 Days

Day: 19.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 75,828,117 km

• M1: 122,670 km (0.094 R)
• M2: 308,920 km (0.08 R)
• M3: 617,540 km (0.107 R)
• M4: 1,028,934 km (0.093 R)
• M5: 1,082,191 km (0.116 R)
• M6: 1,665,473 km (0.055 R)
• M7: 1,857,108 km (0.061 R)
• M8: 2,509,803 km (0.061 R)
• M9: 2,994,052 km (0.09 R)
• M10: 3,187,931 km (0.111 R)
• M11: 3,306,263 km (0.112 R)
• M12: 3,385,998 km (0.041 R)
• M13: 3,547,265 km (0.115 R)
• M14: 5,017,513 km (0.116 R)
• M15: 5,155,292 km (0.054 R)
• M16: 5,815,019 km (0.103 R)
• M17: 6,203,824 km (0.092 R)
• M18: 7,109,340 km (0.073 R)
• M19: 7,264,173 km (0.09 R)
• M20: 8,597,838 km (0.082 R)
• M21: 9,660,881 km (0.103 R)
• M22: 10,295,176 km (0.074 R)
• M23: 10,587,939 km (0.095 R)
• M24: 10,764,913 km (0.07 R)
• M25: 11,062,015 km (0.054 R)
• M26: 11,241,532 km (0.11 R)
• M27: 11,482,385 km (0.107 R)
• M28: 11,908,140 km (0.069 R)
• M29: 12,963,553 km (0.081 R)
• M30: 13,026,534 km (0.111 R)
• M31: 13,343,083 km (0.104 R)
• M32: 14,177,989 km (0.107 R)
• M33: 15,095,921 km (0.118 R)
• M34: 15,361,757 km (0.102 R)
• M35: 17,543,193 km (0.068 R)
• M36: 17,752,630 km (0.098 R)
• M37: 18,103,437 km (0.117 R)
• M38: 18,527,547 km (0.115 R)
• M39: 18,740,873 km (0.099 R)
• M40: 18,812,082 km (0.108 R)
• M41: 19,098,113 km (0.074 R)
• M42: 19,892,029 km (0.092 R)
• M43: 20,110,442 km (0.111 R)
• M44: 20,476,209 km (0.115 R)
• M45: 22,262,258 km (0.047 R)
• M46: 24,798,390 km (0.111 R)
• M47: 26,379,341 km (0.099 R)
• M48: 27,343,499 km (0.103 R)
• M49: 27,748,610 km (0.113 R)
• M50: 28,728,925 km (0.094 R)
• M51: 29,886,962 km (0.118 R)
• M52: 30,053,763 km (0.099 R)
• M53: 31,483,021 km (0.039 R)
• M54: 33,624,665 km (0.118 R)
• M55: 35,459,782 km (0.094 R)
• M56: 39,774,783 km (0.044 R)
• M57: 39,866,337 km (0.074 R)
• M58: 40,971,566 km (0.098 R)
• M59: 41,064,167 km (0.117 R)
• M60: 42,367,164 km (0.089 R)
• M61: 44,062,407 km (0.081 R)
• M62: 46,936,631 km (0.063 R)
• M63: 47,324,389 km (0.117 R)
• M64: 50,862,079 km (0.046 R)
• M65: 51,459,872 km (0.065 R)
• M66: 53,773,104 km (0.097 R)
• M67: 54,382,117 km (0.092 R)
• M68: 56,119,996 km (0.107 R)
• M69: 56,840,908 km (0.091 R)
• M70: 58,604,367 km (0.086 R)
• M71: 60,175,295 km (0.06 R)
• M72: 60,280,462 km (0.099 R)
• M73: 62,184,843 km (0.088 R)
• M74: 64,323,943 km (0.083 R)
• M75: 64,862,495 km (0.091 R)
• M76: 67,249,628 km (0.085 R)
• M77: 69,555,081 km (0.114 R)
• M78: 69,776,037 km (0.074 R)
• M79: 72,557,062 km (0.077 R)
• M80: 75,714,474 km (0.097 R)

Kuiper Belt

Range: 31.1 - 58.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit