🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.45 AU - 0.67 AU

Year: 159 Days

Day: 31.4 Hours

Environment

Temp: 209 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,376,718 km

• M1: 334,800 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.76 AU - 1.12 AU

Year: 345 Days

Day: 14 Hours

Environment

Temp: 36 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.17 AU - 1.37 AU

Year: 542 Days

Day: 45.2 Hours

Environment

Temp: -36 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.14 AU - 1.4 AU

Year: 542 Days

Day: 45.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.71 AU - 2.39 AU

Year: 1112 Days

Day: 25.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.34 AU - 3.58 AU

Year: 1929 Days

Day: 44.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 10.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.24 AU - 5.36 AU

Year: 3377 Days

Day: 11.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 101,376,718 km

• M1: 164,258 km (0.114 R)
• M2: 243,396 km (0.083 R)
• M3: 592,557 km (0.067 R)
• M4: 1,021,155 km (0.061 R)
• M5: 1,136,794 km (0.032 R)
• M6: 1,474,736 km (0.116 R)
• M7: 1,680,283 km (0.078 R)
• M8: 1,767,798 km (0.114 R)
• M9: 1,869,674 km (0.11 R)
• M10: 2,092,725 km (0.101 R)
• M11: 2,310,838 km (0.098 R)
• M12: 3,509,267 km (0.105 R)
• M13: 3,818,635 km (0.083 R)
• M14: 4,377,084 km (0.12 R)
• M15: 4,692,436 km (0.077 R)
• M16: 5,015,269 km (0.074 R)
• M17: 5,308,480 km (0.045 R)
• M18: 5,607,227 km (0.042 R)
• M19: 5,892,211 km (0.1 R)
• M20: 6,182,132 km (0.116 R)
• M21: 6,476,690 km (0.102 R)
• M22: 6,715,748 km (0.115 R)
• M23: 6,816,277 km (0.094 R)
• M24: 7,018,683 km (0.076 R)
• M25: 7,890,390 km (0.084 R)
• M26: 8,188,688 km (0.067 R)
• M27: 8,533,960 km (0.07 R)
• M28: 9,149,855 km (0.056 R)
• M29: 9,643,976 km (0.116 R)
• M30: 10,146,625 km (0.079 R)
• M31: 10,285,302 km (0.115 R)
• M32: 10,494,291 km (0.096 R)
• M33: 10,798,872 km (0.083 R)
• M34: 11,272,948 km (0.057 R)
• M35: 11,753,905 km (0.095 R)
• M36: 12,168,141 km (0.11 R)
• M37: 12,785,831 km (0.051 R)
• M38: 13,565,984 km (0.099 R)
• M39: 14,154,651 km (0.028 R)
• M40: 14,647,427 km (0.098 R)
• M41: 16,159,113 km (0.099 R)
• M42: 16,510,818 km (0.095 R)
• M43: 16,728,483 km (0.082 R)
• M44: 16,837,689 km (0.081 R)
• M45: 17,084,226 km (0.052 R)
• M46: 17,221,707 km (0.06 R)
• M47: 17,442,513 km (0.112 R)
• M48: 17,553,365 km (0.079 R)
• M49: 17,998,569 km (0.093 R)
• M50: 18,645,280 km (0.039 R)
• M51: 19,071,185 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.6

Radius: 5.2

Gravity: 31.61 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 15.12 AU - 19.72 AU

Year: 27537 Days

Day: 22.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 101,376,718 km

• M1: 124,017 km (0.097 R)
• M2: 181,612 km (0.048 R)
• M3: 441,314 km (0.114 R)
• M4: 999,763 km (0.111 R)
• M5: 1,266,047 km (0.113 R)
• M6: 1,981,274 km (0.068 R)
• M7: 2,357,064 km (0.053 R)
• M8: 2,487,214 km (0.098 R)
• M9: 2,664,488 km (0.112 R)
• M10: 2,709,367 km (0.078 R)
• M11: 2,845,800 km (0.05 R)
• M12: 3,031,152 km (0.097 R)
• M13: 3,710,476 km (0.11 R)
• M14: 3,862,019 km (0.062 R)
• M15: 4,015,656 km (0.057 R)
• M16: 4,223,597 km (0.079 R)
• M17: 4,813,311 km (0.116 R)
• M18: 6,068,438 km (0.084 R)
• M19: 6,367,185 km (0.098 R)
• M20: 7,354,680 km (0.104 R)
• M21: 8,588,115 km (0.082 R)
• M22: 8,855,745 km (0.1 R)
• M23: 9,675,392 km (0.06 R)
• M24: 9,953,943 km (0.097 R)
• M25: 11,021,922 km (0.105 R)
• M26: 11,167,032 km (0.075 R)
• M27: 12,051,006 km (0.108 R)
• M28: 13,264,245 km (0.048 R)
• M29: 13,729,195 km (0.078 R)
• M30: 14,595,367 km (0.072 R)
• M31: 14,754,838 km (0.062 R)
• M32: 15,479,191 km (0.053 R)
• M33: 17,382,225 km (0.04 R)
• M34: 19,532,994 km (0.083 R)
• M35: 19,973,111 km (0.091 R)
• M36: 20,327,508 km (0.07 R)
• M37: 20,416,369 km (0.106 R)
• M38: 20,863,069 km (0.07 R)
• M39: 20,952,827 km (0.075 R)
• M40: 21,765,892 km (0.077 R)
• M41: 22,130,611 km (0.118 R)
• M42: 24,078,376 km (0.105 R)
• M43: 26,370,514 km (0.109 R)
• M44: 27,052,082 km (0.075 R)
• M45: 27,542,464 km (0.101 R)
• M46: 28,931,031 km (0.108 R)
• M47: 29,734,821 km (0.079 R)
• M48: 31,364,091 km (0.118 R)
• M49: 34,178,326 km (0.101 R)
• M50: 35,776,480 km (0.099 R)
• M51: 35,991,453 km (0.105 R)
• M52: 36,746,922 km (0.112 R)
• M53: 43,434,096 km (0.103 R)
• M54: 45,861,322 km (0.047 R)
• M55: 46,211,680 km (0.051 R)
• M56: 46,328,665 km (0.099 R)
• M57: 46,797,505 km (0.068 R)
• M58: 47,503,906 km (0.106 R)
• M59: 47,621,939 km (0.117 R)
• M60: 51,087,822 km (0.116 R)
• M61: 51,450,896 km (0.119 R)
• M62: 51,814,868 km (0.096 R)
• M63: 52,058,114 km (0.06 R)
• M64: 56,374,162 km (0.1 R)
• M65: 56,624,140 km (0.104 R)
• M66: 56,749,354 km (0.08 R)
• M67: 57,502,430 km (0.045 R)
• M68: 61,059,867 km (0.049 R)
• M69: 61,188,222 km (0.092 R)
• M70: 61,573,885 km (0.12 R)
• M71: 61,960,296 km (0.115 R)
• M72: 65,080,758 km (0.072 R)
• M73: 67,189,191 km (0.096 R)
• M74: 70,259,238 km (0.117 R)
• M75: 71,202,752 km (0.03 R)
• M76: 72,693,645 km (0.105 R)
• M77: 74,606,104 km (0.116 R)
• M78: 74,880,616 km (0.12 R)
• M79: 75,293,057 km (0.052 R)
• M80: 79,879,728 km (0.04 R)
• M81: 81,852,625 km (0.053 R)
• M82: 83,414,127 km (0.101 R)
• M83: 84,127,111 km (0.118 R)
• M84: 87,143,752 km (0.045 R)
• M85: 87,867,207 km (0.063 R)
• M86: 89,028,834 km (0.117 R)
• M87: 89,611,518 km (0.094 R)
• M88: 90,341,705 km (0.085 R)
• M89: 91,514,253 km (0.099 R)
• M90: 93,282,201 km (0.064 R)
• M91: 95,508,068 km (0.076 R)
• M92: 96,552,859 km (0.105 R)
• M93: 97,901,634 km (0.062 R)
• M94: 98,051,830 km (0.066 R)
• M95: 98,503,017 km (0.061 R)
• M96: 99,558,580 km (0.072 R)
• M97: 101,376,792 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 11,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit