🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.47 AU - 0.55 AU

Year: 135 Days

Day: 22.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.73 AU - 1.05 AU

Year: 311 Days

Day: 34.2 Hours

Environment

Temp: 97 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,228,722 km

• M1: 34,108 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.15 AU - 1.21 AU

Year: 475 Days

Day: 19.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.02 AU - 1.52 AU

Year: 531 Days

Day: 23.5 Hours

Environment

Temp: -11 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.15 AU - 1.59 AU

Year: 595 Days

Day: 14.9 Hours

Environment

Temp: -27 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,228,722 km

• M1: 47,572 km (0.091 R)
• M2: 235,467 km (0.1 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.47 AU - 2.43 AU

Year: 1010 Days

Day: 19.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 60.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.07 AU - 3.17 AU

Year: 2044 Days

Day: 19.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 68 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 10.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.35 AU - 8.03 AU

Year: 7908 Days

Day: 5.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 62,228,722 km

• M1: 131,945 km (0.112 R)
• M2: 321,785 km (0.051 R)
• M3: 488,437 km (0.119 R)
• M4: 598,092 km (0.115 R)
• M5: 928,853 km (0.109 R)
• M6: 1,392,756 km (0.109 R)
• M7: 1,473,240 km (0.088 R)
• M8: 1,555,519 km (0.074 R)
• M9: 2,035,578 km (0.111 R)
• M10: 2,388,629 km (0.045 R)
• M11: 2,560,068 km (0.105 R)
• M12: 2,863,453 km (0.104 R)
• M13: 3,205,434 km (0.098 R)
• M14: 3,870,995 km (0.108 R)
• M15: 4,219,707 km (0.119 R)
• M16: 4,367,959 km (0.09 R)
• M17: 5,072,565 km (0.111 R)
• M18: 5,681,278 km (0.12 R)
• M19: 5,746,653 km (0.079 R)
• M20: 6,620,155 km (0.09 R)
• M21: 7,002,078 km (0.094 R)
• M22: 7,072,389 km (0.059 R)
• M23: 7,284,519 km (0.073 R)
• M24: 7,642,806 km (0.074 R)
• M25: 8,413,833 km (0.036 R)
• M26: 8,526,031 km (0.117 R)
• M27: 9,171,247 km (0.039 R)
• M28: 9,558,107 km (0.089 R)
• M29: 10,228,006 km (0.09 R)
• M30: 10,387,777 km (0.05 R)
• M31: 10,791,093 km (0.095 R)
• M32: 11,076,526 km (0.083 R)
• M33: 11,323,063 km (0.083 R)
• M34: 13,931,302 km (0.099 R)
• M35: 14,108,725 km (0.118 R)
• M36: 14,197,586 km (0.075 R)
• M37: 14,465,516 km (0.053 R)
• M38: 15,645,843 km (0.084 R)
• M39: 15,876,373 km (0.106 R)
• M40: 15,968,974 km (0.119 R)
• M41: 16,527,872 km (0.088 R)
• M42: 16,762,741 km (0.119 R)
• M43: 16,856,987 km (0.095 R)
• M44: 17,045,929 km (0.102 R)
• M45: 17,140,774 km (0.103 R)
• M46: 17,473,779 km (0.115 R)
• M47: 18,291,631 km (0.085 R)
• M48: 18,974,396 km (0.104 R)
• M49: 19,170,967 km (0.08 R)
• M50: 19,467,171 km (0.103 R)
• M51: 20,114,182 km (0.06 R)
• M52: 20,869,501 km (0.089 R)
• M53: 21,072,506 km (0.1 R)
• M54: 21,839,644 km (0.104 R)
• M55: 22,876,506 km (0.069 R)
• M56: 23,559,121 km (0.061 R)
• M57: 23,717,695 km (0.06 R)
• M58: 24,035,740 km (0.116 R)
• M59: 24,676,019 km (0.107 R)
• M60: 25,592,605 km (0.043 R)
• M61: 25,864,425 km (0.038 R)
• M62: 26,850,574 km (0.107 R)
• M63: 27,348,286 km (0.109 R)
• M64: 27,514,938 km (0.114 R)
• M65: 27,626,089 km (0.11 R)
• M66: 28,016,689 km (0.082 R)
• M67: 28,465,184 km (0.104 R)
• M68: 29,199,260 km (0.076 R)
• M69: 29,825,178 km (0.076 R)
• M70: 29,996,617 km (0.076 R)
• M71: 30,168,355 km (0.042 R)
• M72: 30,340,543 km (0.096 R)
• M73: 30,513,029 km (0.061 R)
• M74: 31,322,204 km (0.063 R)
• M75: 31,438,292 km (0.098 R)
• M76: 32,784,523 km (0.108 R)
• M77: 33,553,755 km (0.108 R)
• M78: 33,910,845 km (0.12 R)
• M79: 34,209,293 km (0.062 R)
• M80: 34,448,799 km (0.042 R)
• M81: 35,291,185 km (0.041 R)
• M82: 36,567,404 km (0.107 R)
• M83: 36,996,301 km (0.062 R)
• M84: 38,044,534 km (0.115 R)
• M85: 39,102,490 km (0.05 R)
• M86: 39,227,703 km (0.099 R)
• M87: 40,612,680 km (0.115 R)
• M88: 41,693,824 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.7

Radius: 7.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 16.33 AU - 19.49 AU

Year: 28109 Days

Day: 20.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 62,228,722 km

• M1: 107,262 km (0.064 R)
• M2: 159,172 km (0.105 R)
• M3: 651,050 km (0.112 R)
• M4: 898,485 km (0.108 R)
• M5: 1,150,557 km (0.118 R)
• M6: 1,297,313 km (0.082 R)
• M7: 1,636,750 km (0.076 R)
• M8: 1,974,094 km (0.096 R)
• M9: 2,180,838 km (0.084 R)
• M10: 2,425,879 km (0.12 R)
• M11: 3,386,597 km (0.061 R)
• M12: 4,299,144 km (0.049 R)
• M13: 4,529,076 km (0.085 R)
• M14: 4,960,965 km (0.119 R)
• M15: 5,121,334 km (0.079 R)
• M16: 6,033,581 km (0.094 R)
• M17: 7,447,880 km (0.064 R)
• M18: 8,239,252 km (0.064 R)
• M19: 9,008,335 km (0.027 R)
• M20: 9,106,022 km (0.106 R)
• M21: 9,253,227 km (0.114 R)
• M22: 9,850,272 km (0.082 R)
• M23: 10,306,246 km (0.074 R)
• M24: 10,408,571 km (0.113 R)
• M25: 10,614,119 km (0.047 R)
• M26: 10,977,043 km (0.117 R)
• M27: 12,523,586 km (0.088 R)
• M28: 12,852,103 km (0.089 R)
• M29: 12,907,005 km (0.098 R)
• M30: 12,962,207 km (0.076 R)
• M31: 15,815,188 km (0.112 R)
• M32: 17,008,680 km (0.115 R)
• M33: 18,540,861 km (0.083 R)
• M34: 18,727,709 km (0.077 R)
• M35: 18,790,241 km (0.084 R)
• M36: 19,040,518 km (0.038 R)
• M37: 19,103,349 km (0.059 R)
• M38: 20,116,874 km (0.12 R)
• M39: 20,823,724 km (0.104 R)
• M40: 21,473,428 km (0.114 R)
• M41: 21,932,245 km (0.055 R)
• M42: 22,195,836 km (0.106 R)
• M43: 22,328,081 km (0.08 R)
• M44: 22,460,475 km (0.091 R)
• M45: 25,370,901 km (0.081 R)
• M46: 26,623,933 km (0.116 R)
• M47: 27,258,078 km (0.105 R)
• M48: 27,328,838 km (0.089 R)
• M49: 28,541,179 km (0.053 R)
• M50: 28,684,943 km (0.049 R)
• M51: 28,829,006 km (0.104 R)
• M52: 29,117,730 km (0.063 R)
• M53: 29,262,391 km (0.111 R)
• M54: 30,135,893 km (0.079 R)
• M55: 31,239,775 km (0.079 R)
• M56: 31,684,979 km (0.087 R)
• M57: 33,866,564 km (0.096 R)
• M58: 34,400,330 km (0.113 R)
• M59: 34,629,962 km (0.113 R)
• M60: 35,553,580 km (0.093 R)
• M61: 35,940,739 km (0.112 R)
• M62: 36,251,454 km (0.119 R)
• M63: 36,797,486 km (0.053 R)
• M64: 37,503,588 km (0.05 R)
• M65: 38,372,602 km (0.045 R)
• M66: 40,210,860 km (0.108 R)
• M67: 40,776,041 km (0.087 R)
• M68: 41,425,146 km (0.06 R)
• M69: 41,750,971 km (0.09 R)
• M70: 42,077,692 km (0.052 R)
• M71: 42,733,679 km (0.104 R)
• M72: 42,898,087 km (0.095 R)
• M73: 43,310,379 km (0.079 R)
• M74: 44,055,675 km (0.105 R)
• M75: 44,972,261 km (0.085 R)
• M76: 45,979,504 km (0.117 R)
• M77: 46,147,951 km (0.091 R)
• M78: 47,418,935 km (0.079 R)
• M79: 50,951,090 km (0.065 R)
• M80: 51,825,340 km (0.042 R)
• M81: 53,234,402 km (0.06 R)
• M82: 54,745,341 km (0.051 R)
• M83: 55,192,489 km (0.052 R)
• M84: 55,820,501 km (0.071 R)
• M85: 56,812,035 km (0.116 R)
• M86: 57,264,569 km (0.047 R)
• M87: 57,355,225 km (0.102 R)
• M88: 58,446,990 km (0.109 R)
• M89: 58,538,395 km (0.083 R)
• M90: 58,721,054 km (0.082 R)
• M91: 60,558,714 km (0.056 R)
• M92: 60,836,068 km (0.115 R)
• M93: 61,021,121 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 10,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit