🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.58 AU - 0.76 AU

Year: 206 Days

Day: 46.6 Hours

Environment

Temp: 202 °C

Axial Tilt: 42.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.76 AU - 1 AU

Year: 309 Days

Day: 32 Hours

Environment

Temp: 33 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 96,419,559 km

• M1: 805,585 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.95 AU - 0.97 AU

Year: 352 Days

Day: 21.3 Hours

Environment

Temp: 32 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 96,419,559 km

• M1: 140,622 km (0.09 R)
• M2: 667,954 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.79 AU - 1.17 AU

Year: 364 Days

Day: 35 Hours

Environment

Temp: 35 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.26 AU - 1.3 AU

Year: 543 Days

Day: 15.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,419,559 km

• M1: 11,669 km (0.079 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.74 AU - 2.26 AU

Year: 1060 Days

Day: 16.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,419,559 km

• M1: 369,058 km (0.069 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.08 AU - 2.42 AU

Year: 1265 Days

Day: 37.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,419,559 km

• M1: 1,595,461 km (0.104 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.9 AU - 4.44 AU

Year: 2635 Days

Day: 35.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.6

Radius: 9

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.44 AU - 7.38 AU

Year: 5384 Days

Day: 7.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 96,419,559 km

• M1: 113,096 km (0.112 R)
• M2: 228,885 km (0.112 R)
• M3: 398,828 km (0.088 R)
• M4: 625,768 km (0.043 R)
• M5: 893,099 km (0.111 R)
• M6: 1,145,321 km (0.109 R)
• M7: 1,402,330 km (0.103 R)
• M8: 1,546,992 km (0.079 R)
• M9: 1,851,124 km (0.106 R)
• M10: 2,010,446 km (0.076 R)
• M11: 2,071,332 km (0.098 R)
• M12: 2,278,974 km (0.071 R)
• M13: 2,428,422 km (0.106 R)
• M14: 2,537,180 km (0.113 R)
• M15: 2,692,163 km (0.085 R)
• M16: 3,175,963 km (0.115 R)
• M17: 3,464,537 km (0.072 R)
• M18: 3,711,673 km (0.111 R)
• M19: 3,964,493 km (0.084 R)
• M20: 4,118,878 km (0.118 R)
• M21: 4,460,410 km (0.106 R)
• M22: 4,920,723 km (0.101 R)
• M23: 5,142,726 km (0.063 R)
• M24: 5,226,800 km (0.063 R)
• M25: 6,003,961 km (0.067 R)
• M26: 6,241,223 km (0.059 R)
• M27: 6,391,120 km (0.061 R)
• M28: 6,542,214 km (0.114 R)
• M29: 6,755,690 km (0.038 R)
• M30: 6,971,410 km (0.104 R)
• M31: 8,215,017 km (0.064 R)
• M32: 8,445,398 km (0.118 R)
• M33: 8,511,520 km (0.111 R)
• M34: 8,677,873 km (0.104 R)
• M35: 9,354,056 km (0.09 R)
• M36: 10,435,199 km (0.12 R)
• M37: 11,408,782 km (0.105 R)
• M38: 13,095,199 km (0.097 R)
• M39: 13,596,651 km (0.12 R)
• M40: 13,713,338 km (0.112 R)
• M41: 14,937,946 km (0.05 R)
• M42: 15,018,280 km (0.045 R)
• M43: 15,746,522 km (0.097 R)
• M44: 16,279,839 km (0.08 R)
• M45: 17,153,640 km (0.081 R)
• M46: 17,448,348 km (0.065 R)
• M47: 17,575,057 km (0.083 R)
• M48: 18,946,570 km (0.056 R)
• M49: 19,207,619 km (0.109 R)
• M50: 20,219,050 km (0.103 R)
• M51: 20,888,051 km (0.04 R)
• M52: 21,022,690 km (0.109 R)
• M53: 21,202,656 km (0.056 R)
• M54: 21,564,234 km (0.035 R)
• M55: 22,201,820 km (0.116 R)
• M56: 23,030,742 km (0.111 R)
• M57: 24,576,537 km (0.099 R)
• M58: 27,324,649 km (0.08 R)
• M59: 27,816,677 km (0.11 R)
• M60: 29,210,031 km (0.059 R)
• M61: 29,713,279 km (0.118 R)
• M62: 30,473,236 km (0.086 R)
• M63: 30,575,112 km (0.115 R)
• M64: 30,779,164 km (0.071 R)
• M65: 31,445,173 km (0.119 R)
• M66: 31,548,097 km (0.049 R)
• M67: 32,219,641 km (0.097 R)
• M68: 32,323,462 km (0.104 R)
• M69: 32,687,434 km (0.097 R)
• M70: 32,895,973 km (0.119 R)
• M71: 33,157,321 km (0.106 R)
• M72: 33,576,943 km (0.109 R)
• M73: 33,840,086 km (0.119 R)
• M74: 34,474,530 km (0.1 R)
• M75: 35,701,382 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.5

Radius: 4

Gravity: 59.91 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 15.88 AU - 16.24 AU

Year: 24118 Days

Day: 20.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 140.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 96,419,559 km

• M1: 1,063,192 km (0.1 R)
• M2: 1,796,371 km (0.083 R)
• M3: 2,916,261 km (0.079 R)
• M4: 4,055,748 km (0.077 R)
• M5: 4,156,278 km (0.112 R)
• M6: 4,257,705 km (0.081 R)
• M7: 6,159,692 km (0.083 R)
• M8: 6,217,437 km (0.116 R)
• M9: 6,745,069 km (0.072 R)
• M10: 6,864,298 km (0.045 R)
• M11: 6,984,126 km (0.043 R)
• M12: 7,780,286 km (0.06 R)
• M13: 8,348,160 km (0.12 R)
• M14: 8,669,346 km (0.05 R)
• M15: 8,929,198 km (0.1 R)
• M16: 10,679,792 km (0.118 R)
• M17: 11,098,367 km (0.071 R)
• M18: 11,309,749 km (0.071 R)
• M19: 11,951,673 km (0.12 R)
• M20: 12,168,291 km (0.119 R)
• M21: 12,532,262 km (0.066 R)
• M22: 12,605,416 km (0.098 R)
• M23: 13,495,074 km (0.109 R)
• M24: 13,871,612 km (0.109 R)
• M25: 14,175,445 km (0.079 R)
• M26: 15,255,692 km (0.044 R)
• M27: 15,490,710 km (0.099 R)
• M28: 15,569,249 km (0.093 R)
• M29: 16,043,474 km (0.109 R)
• M30: 17,658,383 km (0.041 R)
• M31: 17,822,642 km (0.104 R)
• M32: 17,905,070 km (0.109 R)
• M33: 17,987,498 km (0.045 R)
• M34: 18,235,681 km (0.079 R)
• M35: 18,318,558 km (0.113 R)
• M36: 18,484,911 km (0.075 R)
• M37: 18,819,113 km (0.06 R)
• M38: 20,089,947 km (0.069 R)
• M39: 22,981,524 km (0.098 R)
• M40: 25,072,304 km (0.036 R)
• M41: 25,349,509 km (0.078 R)
• M42: 27,317,918 km (0.114 R)
• M43: 28,080,717 km (0.064 R)
• M44: 28,368,543 km (0.1 R)
• M45: 28,657,267 km (0.112 R)
• M46: 28,947,038 km (0.103 R)
• M47: 29,432,184 km (0.109 R)
• M48: 29,920,023 km (0.12 R)
• M49: 30,508,840 km (0.113 R)
• M50: 30,804,745 km (0.091 R)
• M51: 33,003,385 km (0.067 R)
• M52: 33,307,218 km (0.085 R)
• M53: 34,428,753 km (0.092 R)
• M54: 36,604,056 km (0.095 R)
• M55: 36,708,625 km (0.05 R)
• M56: 37,549,814 km (0.042 R)
• M57: 38,503,650 km (0.078 R)
• M58: 38,610,014 km (0.104 R)
• M59: 39,787,648 km (0.087 R)
• M60: 40,543,267 km (0.089 R)
• M61: 42,727,845 km (0.104 R)
• M62: 43,612,417 km (0.101 R)
• M63: 44,168,173 km (0.036 R)
• M64: 44,726,472 km (0.053 R)
• M65: 45,962,749 km (0.11 R)
• M66: 48,239,180 km (0.065 R)
• M67: 48,698,894 km (0.101 R)
• M68: 49,622,511 km (0.051 R)
• M69: 50,435,576 km (0.12 R)
• M70: 51,956,986 km (0.092 R)
• M71: 53,969,227 km (0.111 R)
• M72: 54,088,457 km (0.065 R)
• M73: 56,732,001 km (0.086 R)
• M74: 58,680,812 km (0.109 R)
• M75: 61,271,697 km (0.113 R)
• M76: 62,769,023 km (0.108 R)
• M77: 63,899,833 km (0.114 R)
• M78: 65,164,084 km (0.043 R)
• M79: 67,846,075 km (0.107 R)
• M80: 69,783,517 km (0.109 R)
• M81: 74,242,282 km (0.082 R)
• M82: 75,437,868 km (0.079 R)
• M83: 76,238,366 km (0.103 R)
• M84: 77,848,039 km (0.104 R)
• M85: 79,333,247 km (0.113 R)
• M86: 79,604,318 km (0.05 R)
• M87: 80,011,524 km (0.059 R)
• M88: 81,237,029 km (0.118 R)
• M89: 81,373,612 km (0.088 R)
• M90: 82,194,605 km (0.082 R)
• M91: 82,606,149 km (0.094 R)
• M92: 88,719,915 km (0.049 R)
• M93: 89,847,135 km (0.118 R)
• M94: 92,258,054 km (0.115 R)
• M95: 92,543,038 km (0.057 R)
• M96: 93,972,595 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 12,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit