🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.42 AU - 0.64 AU

Year: 168 Days

Day: 19.8 Hours

Environment

Temp: 40 °C

Axial Tilt: 86.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.66 AU - 0.76 AU

Year: 261 Days

Day: 30.2 Hours

Environment

Temp: -21 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,527,878 km

• M1: 443,707 km (0.029 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.74 AU - 0.9 AU

Year: 324 Days

Day: 33.2 Hours

Environment

Temp: -39 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.35 AU - 1.63 AU

Year: 794 Days

Day: 44.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.53 AU - 1.97 AU

Year: 1011 Days

Day: 33.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.6

Radius: 11

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.05 AU - 3.29 AU

Year: 1905 Days

Day: 7 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 25,527,878 km

• M1: 195,674 km (0.097 R)
• M2: 290,968 km (0.07 R)
• M3: 398,080 km (0.083 R)
• M4: 495,169 km (0.056 R)
• M5: 736,770 km (0.103 R)
• M6: 889,359 km (0.108 R)
• M7: 1,023,848 km (0.076 R)
• M8: 1,127,519 km (0.098 R)
• M9: 1,330,075 km (0.086 R)
• M10: 1,403,078 km (0.062 R)
• M11: 1,851,722 km (0.079 R)
• M12: 1,924,726 km (0.063 R)
• M13: 2,017,327 km (0.117 R)
• M14: 2,120,999 km (0.117 R)
• M15: 2,197,593 km (0.095 R)
• M16: 2,343,750 km (0.096 R)
• M17: 2,483,025 km (0.051 R)
• M18: 2,728,516 km (0.068 R)
• M19: 2,928,528 km (0.113 R)
• M20: 3,078,874 km (0.043 R)
• M21: 3,210,071 km (0.094 R)
• M22: 3,660,510 km (0.119 R)
• M23: 3,975,863 km (0.112 R)
• M24: 4,179,017 km (0.06 R)
• M25: 4,385,761 km (0.116 R)
• M26: 4,695,728 km (0.08 R)
• M27: 4,783,841 km (0.078 R)
• M28: 5,025,890 km (0.091 R)
• M29: 5,116,098 km (0.115 R)
• M30: 5,193,739 km (0.115 R)
• M31: 5,588,378 km (0.048 R)
• M32: 5,668,563 km (0.026 R)
• M33: 5,856,906 km (0.113 R)
• M34: 5,992,741 km (0.053 R)
• M35: 6,420,741 km (0.104 R)
• M36: 6,490,603 km (0.06 R)
• M37: 6,830,040 km (0.047 R)
• M38: 6,987,417 km (0.083 R)
• M39: 7,088,246 km (0.106 R)
• M40: 7,364,554 km (0.077 R)
• M41: 7,496,648 km (0.03 R)
• M42: 7,629,491 km (0.059 R)
• M43: 7,867,651 km (0.049 R)
• M44: 8,138,573 km (0.077 R)
• M45: 8,244,638 km (0.114 R)
• M46: 8,320,783 km (0.102 R)
• M47: 8,473,822 km (0.032 R)
• M48: 8,612,200 km (0.079 R)
• M49: 8,969,589 km (0.103 R)
• M50: 9,110,810 km (0.111 R)
• M51: 9,331,766 km (0.039 R)
• M52: 9,554,666 km (0.118 R)
• M53: 10,217,385 km (0.079 R)
• M54: 10,529,596 km (0.1 R)
• M55: 10,645,384 km (0.03 R)
• M56: 10,745,017 km (0.096 R)
• M57: 10,828,193 km (0.104 R)
• M58: 10,928,424 km (0.083 R)
• M59: 11,129,633 km (0.117 R)
• M60: 11,450,969 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 9.2

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.66 AU - 4.66 AU

Year: 3704 Days

Day: 13.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 25,527,878 km

• M1: 208,091 km (0.106 R)
• M2: 269,725 km (0.105 R)
• M3: 348,413 km (0.111 R)
• M4: 582,085 km (0.089 R)
• M5: 712,385 km (0.054 R)
• M6: 808,726 km (0.094 R)
• M7: 1,039,107 km (0.078 R)
• M8: 1,200,224 km (0.116 R)
• M9: 1,464,414 km (0.053 R)
• M10: 1,575,415 km (0.104 R)
• M11: 1,660,387 km (0.083 R)
• M12: 1,747,154 km (0.097 R)
• M13: 2,093,622 km (0.082 R)
• M14: 2,251,149 km (0.073 R)
• M15: 2,379,953 km (0.068 R)
• M16: 2,445,327 km (0.042 R)
• M17: 2,815,582 km (0.04 R)
• M18: 2,972,210 km (0.094 R)
• M19: 3,385,699 km (0.047 R)
• M20: 4,128,004 km (0.114 R)
• M21: 4,246,635 km (0.091 R)
• M22: 4,588,915 km (0.079 R)
• M23: 5,045,039 km (0.072 R)
• M24: 5,581,048 km (0.1 R)
• M25: 5,822,798 km (0.069 R)
• M26: 5,956,090 km (0.094 R)
• M27: 6,090,279 km (0.112 R)
• M28: 6,407,576 km (0.119 R)
• M29: 6,637,508 km (0.084 R)
• M30: 6,707,071 km (0.102 R)
• M31: 6,823,458 km (0.119 R)
• M32: 7,034,690 km (0.117 R)
• M33: 7,487,673 km (0.057 R)
• M34: 8,296,997 km (0.083 R)
• M35: 8,422,061 km (0.083 R)
• M36: 8,522,591 km (0.104 R)
• M37: 9,056,655 km (0.096 R)
• M38: 9,601,790 km (0.059 R)
• M39: 10,184,174 km (0.051 R)
• M40: 10,318,064 km (0.105 R)
• M41: 10,425,625 km (0.077 R)
• M42: 10,614,867 km (0.108 R)
• M43: 10,777,928 km (0.119 R)
• M44: 10,969,264 km (0.088 R)
• M45: 11,494,203 km (0.093 R)
• M46: 11,745,677 km (0.117 R)
• M47: 12,197,462 km (0.039 R)
• M48: 12,454,023 km (0.075 R)
• M49: 12,741,101 km (0.046 R)
• M50: 12,798,846 km (0.105 R)
• M51: 13,117,788 km (0.079 R)
• M52: 13,380,632 km (0.108 R)
• M53: 13,439,274 km (0.086 R)
• M54: 13,763,453 km (0.093 R)
• M55: 14,090,175 km (0.066 R)
• M56: 14,149,864 km (0.114 R)
• M57: 15,085,748 km (0.047 R)
• M58: 15,330,491 km (0.107 R)
• M59: 15,700,147 km (0.077 R)
• M60: 15,793,047 km (0.055 R)
• M61: 16,291,358 km (0.093 R)
• M62: 16,605,513 km (0.11 R)
• M63: 17,175,930 km (0.053 R)
• M64: 17,303,537 km (0.09 R)
• M65: 17,399,429 km (0.113 R)
• M66: 18,270,986 km (0.109 R)
• M67: 18,892,565 km (0.101 R)
• M68: 19,024,361 km (0.053 R)
• M69: 19,554,536 km (0.111 R)
• M70: 19,621,257 km (0.076 R)
• M71: 19,955,458 km (0.094 R)
• M72: 20,494,011 km (0.097 R)
• M73: 21,139,974 km (0.114 R)
• M74: 21,345,223 km (0.11 R)
• M75: 21,688,998 km (0.086 R)
• M76: 22,696,091 km (0.108 R)
• M77: 22,766,103 km (0.099 R)
• M78: 23,364,195 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 11.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.4 AU - 4.98 AU

Year: 4434 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 25,527,878 km

• M1: 199,414 km (0.107 R)
• M2: 307,124 km (0.043 R)
• M3: 423,212 km (0.09 R)
• M4: 568,622 km (0.101 R)
• M5: 658,829 km (0.052 R)
• M6: 879,486 km (0.081 R)
• M7: 974,780 km (0.075 R)
• M8: 1,061,397 km (0.077 R)
• M9: 1,137,692 km (0.086 R)
• M10: 1,216,231 km (0.089 R)
• M11: 1,378,993 km (0.097 R)
• M12: 1,463,217 km (0.115 R)
• M13: 1,607,728 km (0.086 R)
• M14: 1,681,779 km (0.091 R)
• M15: 1,926,970 km (0.03 R)
• M16: 2,350,332 km (0.047 R)
• M17: 2,486,466 km (0.044 R)
• M18: 2,572,934 km (0.108 R)
• M19: 2,695,754 km (0.117 R)
• M20: 2,947,527 km (0.091 R)
• M21: 3,057,780 km (0.114 R)
• M22: 3,188,230 km (0.106 R)
• M23: 3,320,474 km (0.119 R)
• M24: 4,070,558 km (0.08 R)
• M25: 4,276,704 km (0.081 R)
• M26: 5,652,855 km (0.087 R)
• M27: 5,836,860 km (0.087 R)
• M28: 6,187,218 km (0.039 R)
• M29: 6,520,522 km (0.107 R)
• M30: 6,786,507 km (0.069 R)
• M31: 7,006,865 km (0.102 R)
• M32: 7,229,616 km (0.07 R)
• M33: 7,505,026 km (0.077 R)
• M34: 7,656,718 km (0.084 R)
• M35: 7,937,513 km (0.102 R)
• M36: 8,040,437 km (0.111 R)
• M37: 8,325,720 km (0.09 R)
• M38: 8,960,164 km (0.051 R)
• M39: 9,040,499 km (0.067 R)
• M40: 9,256,069 km (0.068 R)
• M41: 10,755,339 km (0.096 R)
• M42: 10,869,482 km (0.109 R)
• M43: 12,002,536 km (0.036 R)
• M44: 12,418,418 km (0.047 R)
• M45: 12,869,306 km (0.086 R)
• M46: 13,172,990 km (0.095 R)
• M47: 14,097,954 km (0.053 R)
• M48: 14,853,124 km (0.057 R)
• M49: 15,075,725 km (0.105 R)
• M50: 15,556,832 km (0.095 R)
• M51: 16,010,263 km (0.117 R)
• M52: 16,830,957 km (0.099 R)
• M53: 17,096,493 km (0.089 R)
• M54: 17,597,946 km (0.094 R)
• M55: 17,698,924 km (0.061 R)
• M56: 17,800,052 km (0.086 R)
• M57: 17,968,948 km (0.075 R)
• M58: 18,581,402 km (0.112 R)
• M59: 19,374,121 km (0.065 R)
• M60: 19,861,960 km (0.106 R)
• M61: 20,142,605 km (0.11 R)
• M62: 20,424,597 km (0.033 R)
• M63: 20,743,241 km (0.1 R)
• M64: 20,921,113 km (0.097 R)
• M65: 21,457,571 km (0.03 R)
• M66: 22,434,594 km (0.113 R)
• M67: 22,653,606 km (0.067 R)
• M68: 23,204,575 km (0.119 R)
• M69: 23,352,228 km (0.086 R)
• M70: 24,657,319 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 15,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit