🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.53 AU - 0.67 AU

Year: 169 Days

Day: 40.5 Hours

Environment

Temp: 174 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.92 AU - 0.98 AU

Year: 337 Days

Day: 34.5 Hours

Environment

Temp: 149 °C

Axial Tilt: 112.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.39 AU - 2.07 AU

Year: 827 Days

Day: 31.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,041,397 km

• M1: 67,319 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.93 AU - 3.03 AU

Year: 1870 Days

Day: 27.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.07 AU - 4.61 AU

Year: 2735 Days

Day: 13.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 46.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.18 AU - 4.58 AU

Year: 2778 Days

Day: 41.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.33 AU - 4.73 AU

Year: 2940 Days

Day: 21.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,041,397 km

• M1: 334,650 km (0.098 R)
• M2: 761,004 km (0.119 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.39 AU - 5.35 AU

Year: 3320 Days

Day: 20.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,041,397 km

• M1: 419,622 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 8.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.85 AU - 6.53 AU

Year: 5597 Days

Day: 13.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 51,041,397 km

• M1: 295,007 km (0.08 R)
• M2: 426,504 km (0.091 R)
• M3: 557,701 km (0.104 R)
• M4: 668,403 km (0.105 R)
• M5: 886,667 km (0.084 R)
• M6: 1,004,400 km (0.091 R)
• M7: 1,526,796 km (0.086 R)
• M8: 1,766,900 km (0.108 R)
• M9: 1,984,865 km (0.085 R)
• M10: 2,036,476 km (0.032 R)
• M11: 2,410,022 km (0.112 R)
• M12: 2,728,067 km (0.096 R)
• M13: 2,921,497 km (0.102 R)
• M14: 3,220,244 km (0.056 R)
• M15: 3,911,386 km (0.077 R)
• M16: 3,976,461 km (0.114 R)
• M17: 4,129,799 km (0.054 R)
• M18: 4,196,071 km (0.099 R)
• M19: 4,307,521 km (0.043 R)
• M20: 4,374,691 km (0.093 R)
• M21: 4,578,592 km (0.114 R)
• M22: 4,647,258 km (0.097 R)
• M23: 4,925,510 km (0.102 R)
• M24: 5,185,212 km (0.078 R)
• M25: 5,401,082 km (0.075 R)
• M26: 6,016,378 km (0.035 R)
• M27: 6,940,892 km (0.116 R)
• M28: 7,125,795 km (0.083 R)
• M29: 7,232,159 km (0.048 R)
• M30: 7,744,831 km (0.084 R)
• M31: 8,549,818 km (0.1 R)
• M32: 8,890,751 km (0.093 R)
• M33: 9,005,343 km (0.102 R)
• M34: 9,468,648 km (0.11 R)
• M35: 9,880,491 km (0.085 R)
• M36: 9,969,501 km (0.032 R)
• M37: 10,148,420 km (0.097 R)
• M38: 10,268,248 km (0.1 R)
• M39: 11,151,025 km (0.056 R)
• M40: 11,398,759 km (0.103 R)
• M41: 11,492,108 km (0.094 R)
• M42: 11,554,640 km (0.103 R)
• M43: 13,249,135 km (0.111 R)
• M44: 13,511,530 km (0.088 R)
• M45: 13,577,503 km (0.089 R)
• M46: 13,676,537 km (0.082 R)
• M47: 13,808,931 km (0.098 R)
• M48: 14,680,039 km (0.104 R)
• M49: 15,672,471 km (0.048 R)
• M50: 15,776,442 km (0.113 R)
• M51: 16,404,753 km (0.09 R)
• M52: 16,580,680 km (0.062 R)
• M53: 17,041,142 km (0.118 R)
• M54: 17,183,709 km (0.062 R)
• M55: 17,326,575 km (0.097 R)
• M56: 17,577,750 km (0.069 R)
• M57: 17,649,706 km (0.1 R)
• M58: 18,156,095 km (0.105 R)
• M59: 18,228,800 km (0.107 R)
• M60: 18,484,313 km (0.092 R)
• M61: 19,443,086 km (0.12 R)
• M62: 19,592,085 km (0.057 R)
• M63: 19,853,732 km (0.111 R)
• M64: 20,380,316 km (0.11 R)
• M65: 20,569,558 km (0.071 R)
• M66: 21,678,527 km (0.099 R)
• M67: 21,949,000 km (0.05 R)
• M68: 22,532,581 km (0.115 R)
• M69: 22,689,060 km (0.114 R)
• M70: 22,845,988 km (0.118 R)
• M71: 22,924,527 km (0.073 R)
• M72: 23,318,568 km (0.082 R)
• M73: 23,556,130 km (0.093 R)
• M74: 23,675,359 km (0.065 R)
• M75: 24,514,453 km (0.118 R)
• M76: 25,079,335 km (0.083 R)
• M77: 25,241,499 km (0.089 R)
• M78: 25,975,725 km (0.098 R)
• M79: 26,098,695 km (0.079 R)
• M80: 26,551,528 km (0.053 R)
• M81: 26,634,106 km (0.074 R)
• M82: 26,758,272 km (0.112 R)
• M83: 26,923,877 km (0.077 R)
• M84: 27,423,234 km (0.075 R)
• M85: 27,590,335 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.9

Radius: 4

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 12.11 AU - 19.75 AU

Year: 23108 Days

Day: 23.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 51,041,397 km

• M1: 58,194 km (0.103 R)
• M2: 108,608 km (0.064 R)
• M3: 355,445 km (0.057 R)
• M4: 488,587 km (0.051 R)
• M5: 837,000 km (0.082 R)
• M6: 1,181,973 km (0.106 R)
• M7: 1,225,207 km (0.105 R)
• M8: 1,426,565 km (0.102 R)
• M9: 2,064,301 km (0.066 R)
• M10: 2,090,481 km (0.053 R)
• M11: 2,142,989 km (0.063 R)
• M12: 2,222,576 km (0.086 R)
• M13: 2,412,266 km (0.072 R)
• M14: 2,523,118 km (0.093 R)
• M15: 2,663,889 km (0.053 R)
• M16: 3,282,626 km (0.115 R)
• M17: 3,436,413 km (0.1 R)
• M18: 3,467,379 km (0.043 R)
• M19: 3,529,762 km (0.11 R)
• M20: 3,814,746 km (0.064 R)
• M21: 4,041,536 km (0.094 R)
• M22: 4,306,175 km (0.082 R)
• M23: 4,576,348 km (0.1 R)
• M24: 4,713,530 km (0.079 R)
• M25: 5,311,472 km (0.084 R)
• M26: 5,674,397 km (0.09 R)
• M27: 5,970,301 km (0.088 R)
• M28: 8,178,366 km (0.103 R)
• M29: 8,512,418 km (0.111 R)
• M30: 9,021,799 km (0.072 R)
• M31: 10,880,852 km (0.084 R)
• M32: 11,294,190 km (0.1 R)
• M33: 12,136,127 km (0.115 R)
• M34: 12,756,659 km (0.084 R)
• M35: 12,901,320 km (0.06 R)
• M36: 14,128,023 km (0.099 R)
• M37: 14,177,839 km (0.064 R)
• M38: 17,700,719 km (0.09 R)
• M39: 18,403,530 km (0.066 R)
• M40: 19,668,978 km (0.115 R)
• M41: 20,453,021 km (0.068 R)
• M42: 21,705,454 km (0.05 R)
• M43: 21,878,090 km (0.103 R)
• M44: 21,935,835 km (0.065 R)
• M45: 22,806,943 km (0.039 R)
• M46: 23,570,940 km (0.115 R)
• M47: 26,771,736 km (0.102 R)
• M48: 26,956,938 km (0.078 R)
• M49: 27,018,871 km (0.039 R)
• M50: 28,077,127 km (0.114 R)
• M51: 28,832,297 km (0.085 R)
• M52: 29,913,590 km (0.05 R)
• M53: 30,814,020 km (0.113 R)
• M54: 31,072,824 km (0.107 R)
• M55: 31,202,525 km (0.116 R)
• M56: 32,378,066 km (0.087 R)
• M57: 34,235,323 km (0.073 R)
• M58: 34,839,549 km (0.113 R)
• M59: 35,582,901 km (0.103 R)
• M60: 37,085,013 km (0.058 R)
• M61: 37,636,431 km (0.095 R)
• M62: 38,677,632 km (0.078 R)
• M63: 38,817,207 km (0.042 R)
• M64: 39,657,797 km (0.105 R)
• M65: 40,433,761 km (0.091 R)
• M66: 40,504,521 km (0.086 R)
• M67: 41,928,992 km (0.107 R)
• M68: 43,659,690 km (0.08 R)
• M69: 44,241,925 km (0.094 R)
• M70: 45,708,283 km (0.101 R)
• M71: 46,447,596 km (0.03 R)
• M72: 46,595,847 km (0.069 R)
• M73: 46,892,949 km (0.118 R)
• M74: 47,116,149 km (0.096 R)
• M75: 47,638,544 km (0.077 R)
• M76: 48,387,880 km (0.119 R)
• M77: 49,141,255 km (0.094 R)
• M78: 49,746,678 km (0.115 R)
• M79: 50,278,498 km (0.079 R)
• M80: 50,430,789 km (0.067 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 15,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit