🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.42 AU - 0.68 AU

Year: 148 Days

Day: 39.8 Hours

Environment

Temp: 159 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.16 AU - 1.34 AU

Year: 508 Days

Day: 19.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 41,502,379 km

• M1: 958,623 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.05 AU - 1.47 AU

Year: 514 Days

Day: 25.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.79 AU - 2.13 AU

Year: 997 Days

Day: 44.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,502,379 km

• M1: 62,831 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.11 AU - 2.65 AU

Year: 1334 Days

Day: 16.8 Hours

Environment

Temp: -86 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,502,379 km

• M1: 961,166 km (0.064 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.04 AU - 2.9 AU

Year: 1411 Days

Day: 45.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 8.3

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.87 AU - 6.79 AU

Year: 5788 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 121.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 41,502,379 km

• M1: 112,348 km (0.096 R)
• M2: 424,260 km (0.059 R)
• M3: 619,186 km (0.085 R)
• M4: 755,768 km (0.118 R)
• M5: 1,059,153 km (0.084 R)
• M6: 1,241,812 km (0.053 R)
• M7: 1,470,846 km (0.1 R)
• M8: 1,694,495 km (0.111 R)
• M9: 1,889,122 km (0.031 R)
• M10: 2,029,894 km (0.105 R)
• M11: 2,091,229 km (0.105 R)
• M12: 2,300,366 km (0.109 R)
• M13: 2,429,170 km (0.116 R)
• M14: 2,921,946 km (0.119 R)
• M15: 3,203,638 km (0.114 R)
• M16: 3,299,531 km (0.105 R)
• M17: 3,420,705 km (0.063 R)
• M18: 3,997,405 km (0.065 R)
• M19: 4,178,867 km (0.119 R)
• M20: 4,442,907 km (0.062 R)
• M21: 4,712,333 km (0.102 R)
• M22: 5,466,456 km (0.089 R)
• M23: 6,138,300 km (0.112 R)
• M24: 6,468,762 km (0.094 R)
• M25: 7,022,124 km (0.092 R)
• M26: 7,210,019 km (0.119 R)
• M27: 7,462,989 km (0.078 R)
• M28: 7,751,114 km (0.105 R)
• M29: 7,977,905 km (0.117 R)
• M30: 8,338,436 km (0.047 R)
• M31: 9,075,654 km (0.087 R)
• M32: 9,729,098 km (0.087 R)
• M33: 10,008,846 km (0.102 R)
• M34: 11,299,875 km (0.049 R)
• M35: 11,593,835 km (0.076 R)
• M36: 11,927,737 km (0.059 R)
• M37: 12,339,880 km (0.055 R)
• M38: 12,453,125 km (0.04 R)
• M39: 12,680,664 km (0.113 R)
• M40: 13,024,589 km (0.081 R)
• M41: 13,101,333 km (0.12 R)
• M42: 14,749,602 km (0.095 R)
• M43: 15,111,180 km (0.058 R)
• M44: 15,435,060 km (0.114 R)
• M45: 15,843,162 km (0.086 R)
• M46: 16,462,049 km (0.1 R)
• M47: 16,962,753 km (0.115 R)
• M48: 17,299,348 km (0.046 R)
• M49: 18,408,616 km (0.118 R)
• M50: 18,538,168 km (0.112 R)
• M51: 19,015,385 km (0.081 R)
• M52: 19,146,283 km (0.072 R)
• M53: 19,805,262 km (0.08 R)
• M54: 20,829,858 km (0.119 R)
• M55: 21,371,402 km (0.108 R)
• M56: 21,552,864 km (0.113 R)
• M57: 21,871,807 km (0.094 R)
• M58: 22,192,246 km (0.075 R)
• M59: 23,349,385 km (0.105 R)
• M60: 23,676,855 km (0.113 R)
• M61: 24,147,490 km (0.104 R)
• M62: 24,811,405 km (0.119 R)
• M63: 25,433,284 km (0.052 R)
• M64: 25,722,007 km (0.108 R)
• M65: 26,011,779 km (0.073 R)
• M66: 26,205,657 km (0.104 R)
• M67: 26,838,905 km (0.111 R)
• M68: 27,724,076 km (0.112 R)
• M69: 29,119,824 km (0.032 R)
• M70: 29,978,516 km (0.101 R)
• M71: 30,436,435 km (0.087 R)
• M72: 31,462,227 km (0.108 R)
• M73: 31,617,061 km (0.052 R)
• M74: 31,979,387 km (0.11 R)
• M75: 32,083,208 km (0.06 R)
• M76: 32,603,809 km (0.103 R)
• M77: 33,022,234 km (0.102 R)
• M78: 33,127,102 km (0.108 R)
• M79: 33,970,236 km (0.069 R)
• M80: 34,023,193 km (0.107 R)
• M81: 34,076,151 km (0.042 R)
• M82: 34,235,174 km (0.115 R)
• M83: 34,394,495 km (0.106 R)
• M84: 34,767,144 km (0.104 R)
• M85: 35,194,694 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.9

Radius: 13

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.85 AU - 8.97 AU

Year: 7331 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 153.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 41,502,379 km

• M1: 376,388 km (0.087 R)
• M2: 680,222 km (0.04 R)
• M3: 898,485 km (0.045 R)
• M4: 1,222,215 km (0.095 R)
• M5: 1,478,326 km (0.096 R)
• M6: 1,628,373 km (0.077 R)
• M7: 1,721,124 km (0.082 R)
• M8: 2,671,369 km (0.09 R)
• M9: 3,064,662 km (0.071 R)
• M10: 3,180,600 km (0.098 R)
• M11: 3,906,599 km (0.09 R)
• M12: 3,990,374 km (0.107 R)
• M13: 4,884,520 km (0.075 R)
• M14: 5,506,698 km (0.111 R)
• M15: 5,959,530 km (0.106 R)
• M16: 6,926,830 km (0.077 R)
• M17: 7,105,600 km (0.095 R)
• M18: 7,756,650 km (0.119 R)
• M19: 8,210,530 km (0.114 R)
• M20: 8,399,920 km (0.059 R)
• M21: 9,060,245 km (0.036 R)
• M22: 9,199,820 km (0.092 R)
• M23: 9,312,168 km (0.075 R)
• M24: 9,509,787 km (0.066 R)
• M25: 9,623,332 km (0.12 R)
• M26: 10,110,871 km (0.111 R)
• M27: 10,343,197 km (0.056 R)
• M28: 10,518,525 km (0.095 R)
• M29: 10,694,901 km (0.112 R)
• M30: 11,050,645 km (0.09 R)
• M31: 11,834,688 km (0.107 R)
• M32: 11,987,577 km (0.106 R)
• M33: 12,699,064 km (0.106 R)
• M34: 13,012,771 km (0.094 R)
• M35: 13,424,464 km (0.108 R)
• M36: 14,163,328 km (0.058 R)
• M37: 14,717,887 km (0.119 R)
• M38: 15,848,398 km (0.079 R)
• M39: 16,152,232 km (0.106 R)
• M40: 16,322,025 km (0.043 R)
• M41: 17,700,719 km (0.092 R)
• M42: 17,981,066 km (0.08 R)
• M43: 18,086,532 km (0.117 R)
• M44: 18,192,148 km (0.117 R)
• M45: 18,866,236 km (0.106 R)
• M46: 20,458,706 km (0.109 R)
• M47: 20,605,611 km (0.099 R)
• M48: 20,789,766 km (0.051 R)
• M49: 21,793,418 km (0.092 R)
• M50: 22,547,092 km (0.072 R)
• M51: 22,889,073 km (0.084 R)
• M52: 23,501,227 km (0.065 R)
• M53: 24,585,512 km (0.082 R)
• M54: 25,251,672 km (0.105 R)
• M55: 25,488,336 km (0.107 R)
• M56: 26,043,194 km (0.09 R)
• M57: 27,003,612 km (0.062 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.8 AU - 13.8 AU

Year: 13805 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 41,502,379 km

• M1: 314,604 km (0.116 R)
• M2: 443,258 km (0.102 R)
• M3: 692,788 km (0.072 R)
• M4: 866,321 km (0.067 R)
• M5: 1,089,521 km (0.097 R)
• M6: 1,198,728 km (0.101 R)
• M7: 1,508,246 km (0.097 R)
• M8: 1,651,411 km (0.108 R)
• M9: 1,756,429 km (0.111 R)
• M10: 1,995,486 km (0.032 R)
• M11: 2,799,126 km (0.078 R)
• M12: 3,052,844 km (0.05 R)
• M13: 3,420,705 km (0.097 R)
• M14: 3,774,953 km (0.091 R)
• M15: 3,998,751 km (0.118 R)
• M16: 4,083,872 km (0.115 R)
• M17: 4,577,396 km (0.095 R)
• M18: 4,997,915 km (0.118 R)
• M19: 5,212,887 km (0.095 R)
• M20: 5,651,957 km (0.078 R)
• M21: 5,908,218 km (0.092 R)
• M22: 6,005,307 km (0.113 R)
• M23: 6,102,845 km (0.091 R)
• M24: 6,266,655 km (0.091 R)
• M25: 6,565,402 km (0.088 R)
• M26: 8,271,565 km (0.106 R)
• M27: 8,672,488 km (0.087 R)
• M28: 8,930,993 km (0.052 R)
• M29: 9,379,936 km (0.074 R)
• M30: 9,836,359 km (0.079 R)
• M31: 9,913,103 km (0.103 R)
• M32: 10,691,760 km (0.112 R)
• M33: 11,449,623 km (0.108 R)
• M34: 11,530,405 km (0.096 R)
• M35: 12,224,689 km (0.086 R)
• M36: 13,016,660 km (0.102 R)
• M37: 13,312,565 km (0.075 R)
• M38: 13,440,172 km (0.063 R)
• M39: 14,387,725 km (0.107 R)
• M40: 14,518,623 km (0.066 R)
• M41: 14,606,138 km (0.081 R)
• M42: 15,178,948 km (0.041 R)
• M43: 15,804,117 km (0.113 R)
• M44: 15,894,175 km (0.107 R)
• M45: 17,496,518 km (0.079 R)
• M46: 18,104,783 km (0.083 R)
• M47: 18,340,549 km (0.075 R)
• M48: 18,719,780 km (0.068 R)
• M49: 18,958,239 km (0.034 R)
• M50: 19,873,329 km (0.11 R)
• M51: 20,753,563 km (0.118 R)
• M52: 21,148,950 km (0.111 R)
• M53: 22,198,379 km (0.065 R)
• M54: 22,704,020 km (0.048 R)
• M55: 22,805,597 km (0.104 R)
• M56: 22,856,460 km (0.089 R)
• M57: 24,140,010 km (0.077 R)
• M58: 24,973,719 km (0.054 R)
• M59: 25,026,228 km (0.11 R)
• M60: 26,188,753 km (0.114 R)
• M61: 26,242,010 km (0.097 R)
• M62: 26,615,855 km (0.072 R)
• M63: 26,776,672 km (0.093 R)
• M64: 27,693,707 km (0.077 R)
• M65: 27,910,924 km (0.055 R)
• M66: 28,566,162 km (0.106 R)
• M67: 28,621,065 km (0.109 R)
• M68: 30,842,892 km (0.061 R)
• M69: 31,917,603 km (0.09 R)
• M70: 32,889,541 km (0.062 R)
• M71: 33,523,536 km (0.087 R)
• M72: 34,045,334 km (0.06 R)
• M73: 34,745,302 km (0.104 R)
• M74: 34,979,573 km (0.07 R)
• M75: 36,277,932 km (0.067 R)
• M76: 36,456,253 km (0.082 R)
• M77: 37,172,229 km (0.102 R)
• M78: 37,652,138 km (0.043 R)
• M79: 37,772,415 km (0.111 R)
• M80: 38,678,679 km (0.064 R)
• M81: 39,775,680 km (0.12 R)
• M82: 40,082,206 km (0.097 R)
• M83: 40,205,026 km (0.094 R)
• M84: 40,389,480 km (0.056 R)
• M85: 40,882,854 km (0.043 R)
• M86: 41,254,156 km (0.108 R)
• M87: 41,378,173 km (0.073 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 15,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit