🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.64 AU - 1.02 AU

Year: 279 Days

Day: 17.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.21 AU - 1.37 AU

Year: 541 Days

Day: 41.3 Hours

Environment

Temp: -16 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 52,983,376 km

• M1: 140,024 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.35 AU - 1.65 AU

Year: 678 Days

Day: 31.3 Hours

Environment

Temp: -38 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,983,376 km

• M1: 617,839 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.75 AU - 1.99 AU

Year: 943 Days

Day: 25.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,983,376 km

• M1: 1,110,764 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.23 AU - 3.09 AU

Year: 1601 Days

Day: 35 Hours

Environment

Temp: -96 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 9.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.26 AU - 5.92 AU

Year: 4876 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 52,983,376 km

• M1: 130,599 km (0.044 R)
• M2: 293,062 km (0.033 R)
• M3: 401,072 km (0.113 R)
• M4: 642,074 km (0.109 R)
• M5: 1,109,867 km (0.056 R)
• M6: 1,264,401 km (0.095 R)
• M7: 1,523,804 km (0.056 R)
• M8: 1,652,608 km (0.08 R)
• M9: 1,830,180 km (0.04 R)
• M10: 1,951,953 km (0.101 R)
• M11: 2,204,025 km (0.113 R)
• M12: 2,284,958 km (0.073 R)
• M13: 2,383,393 km (0.066 R)
• M14: 2,500,080 km (0.111 R)
• M15: 2,567,548 km (0.081 R)
• M16: 2,687,376 km (0.066 R)
• M17: 2,861,658 km (0.099 R)
• M18: 3,111,935 km (0.111 R)
• M19: 3,350,693 km (0.045 R)
• M20: 3,826,863 km (0.109 R)
• M21: 4,203,102 km (0.025 R)
• M22: 4,591,159 km (0.05 R)
• M23: 4,695,129 km (0.115 R)
• M24: 5,054,912 km (0.049 R)
• M25: 5,227,249 km (0.092 R)
• M26: 5,778,367 km (0.11 R)
• M27: 6,278,772 km (0.11 R)
• M28: 6,604,447 km (0.046 R)
• M29: 6,722,180 km (0.078 R)
• M30: 7,762,634 km (0.051 R)
• M31: 7,936,765 km (0.053 R)
• M32: 8,061,979 km (0.087 R)
• M33: 8,543,684 km (0.101 R)
• M34: 8,620,577 km (0.091 R)
• M35: 8,878,634 km (0.052 R)
• M36: 9,855,358 km (0.086 R)
• M37: 10,071,078 km (0.052 R)
• M38: 10,152,459 km (0.076 R)
• M39: 10,261,068 km (0.102 R)
• M40: 10,370,274 km (0.04 R)
• M41: 10,534,682 km (0.089 R)
• M42: 10,810,541 km (0.109 R)
• M43: 11,228,966 km (0.054 R)
• M44: 11,595,929 km (0.1 R)
• M45: 12,341,525 km (0.104 R)
• M46: 13,280,401 km (0.08 R)
• M47: 13,488,791 km (0.086 R)
• M48: 13,608,470 km (0.084 R)
• M49: 13,758,367 km (0.05 R)
• M50: 13,969,300 km (0.068 R)
• M51: 14,151,061 km (0.075 R)
• M52: 14,516,678 km (0.064 R)
• M53: 14,639,199 km (0.1 R)
• M54: 15,133,021 km (0.11 R)
• M55: 15,319,570 km (0.113 R)
• M56: 15,789,457 km (0.098 R)
• M57: 16,136,973 km (0.05 R)
• M58: 16,295,696 km (0.098 R)
• M59: 16,646,952 km (0.116 R)
• M60: 16,743,143 km (0.044 R)
• M61: 17,227,092 km (0.099 R)
• M62: 17,715,529 km (0.06 R)
• M63: 17,912,251 km (0.048 R)
• M64: 18,241,665 km (0.028 R)
• M65: 18,473,392 km (0.085 R)
• M66: 18,872,968 km (0.108 R)
• M67: 18,973,348 km (0.073 R)
• M68: 19,208,217 km (0.06 R)
• M69: 19,443,983 km (0.071 R)
• M70: 20,499,845 km (0.085 R)
• M71: 20,671,883 km (0.117 R)
• M72: 20,844,369 km (0.098 R)
• M73: 20,948,040 km (0.042 R)
• M74: 21,121,424 km (0.085 R)
• M75: 21,679,125 km (0.072 R)
• M76: 21,854,454 km (0.106 R)
• M77: 22,135,847 km (0.077 R)
• M78: 22,241,763 km (0.118 R)
• M79: 22,312,373 km (0.084 R)
• M80: 22,773,433 km (0.101 R)
• M81: 23,237,785 km (0.081 R)
• M82: 23,345,346 km (0.104 R)
• M83: 23,488,960 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.4

Radius: 6.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 11.92 AU - 16 AU

Year: 19244 Days

Day: 18.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 52,983,376 km

• M1: 269,127 km (0.103 R)
• M2: 858,243 km (0.081 R)
• M3: 1,067,680 km (0.037 R)
• M4: 1,787,994 km (0.091 R)
• M5: 1,935,198 km (0.102 R)
• M6: 2,933,764 km (0.097 R)
• M7: 3,002,878 km (0.112 R)
• M8: 3,072,740 km (0.104 R)
• M9: 3,650,188 km (0.086 R)
• M10: 5,488,596 km (0.091 R)
• M11: 5,617,101 km (0.094 R)
• M12: 6,140,993 km (0.094 R)
• M13: 7,235,002 km (0.047 R)
• M14: 8,388,102 km (0.075 R)
• M15: 9,700,524 km (0.115 R)
• M16: 10,169,514 km (0.083 R)
• M17: 10,380,297 km (0.087 R)
• M18: 13,307,030 km (0.086 R)
• M19: 14,061,302 km (0.119 R)
• M20: 14,769,947 km (0.077 R)
• M21: 15,732,759 km (0.096 R)
• M22: 16,591,750 km (0.083 R)
• M23: 17,466,000 km (0.119 R)
• M24: 18,419,088 km (0.099 R)
• M25: 18,547,443 km (0.049 R)
• M26: 19,128,781 km (0.082 R)
• M27: 20,574,794 km (0.117 R)
• M28: 21,109,307 km (0.076 R)
• M29: 23,084,896 km (0.059 R)
• M30: 23,223,274 km (0.085 R)
• M31: 23,292,688 km (0.057 R)
• M32: 23,640,204 km (0.07 R)
• M33: 23,709,916 km (0.102 R)
• M34: 24,763,983 km (0.03 R)
• M35: 24,834,892 km (0.089 R)
• M36: 24,905,802 km (0.102 R)
• M37: 26,193,091 km (0.06 R)
• M38: 26,265,347 km (0.12 R)
• M39: 26,337,453 km (0.12 R)
• M40: 28,312,444 km (0.116 R)
• M41: 29,580,137 km (0.071 R)
• M42: 29,655,235 km (0.052 R)
• M43: 30,637,943 km (0.104 R)
• M44: 32,402,600 km (0.048 R)
• M45: 33,414,480 km (0.062 R)
• M46: 34,674,094 km (0.103 R)
• M47: 35,469,356 km (0.095 R)
• M48: 35,549,092 km (0.118 R)
• M49: 36,753,953 km (0.105 R)
• M50: 37,808,917 km (0.1 R)
• M51: 37,890,597 km (0.107 R)
• M52: 40,031,792 km (0.086 R)
• M53: 42,550,721 km (0.1 R)
• M54: 42,805,486 km (0.042 R)
• M55: 43,487,203 km (0.075 R)
• M56: 43,743,764 km (0.025 R)
• M57: 47,564,045 km (0.072 R)
• M58: 47,652,158 km (0.105 R)
• M59: 47,740,271 km (0.067 R)
• M60: 47,828,384 km (0.117 R)
• M61: 48,535,683 km (0.1 R)
• M62: 48,624,394 km (0.092 R)
• M63: 50,319,039 km (0.043 R)
• M64: 50,948,248 km (0.116 R)
• M65: 51,580,149 km (0.092 R)
• M66: 53,399,708 km (0.077 R)
• M67: 53,491,262 km (0.11 R)
• M68: 53,857,926 km (0.098 R)
• M69: 54,962,706 km (0.082 R)
• M70: 55,610,764 km (0.101 R)
• M71: 59,456,627 km (0.111 R)
• M72: 59,741,311 km (0.112 R)
• M73: 60,312,177 km (0.068 R)
• M74: 60,502,914 km (0.092 R)
• M75: 61,171,916 km (0.066 R)
• M76: 62,228,226 km (0.109 R)
• M77: 62,517,249 km (0.09 R)
• M78: 62,806,871 km (0.081 R)
• M79: 63,678,129 km (0.071 R)
• M80: 63,969,545 km (0.087 R)
• M81: 64,261,261 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.9

Radius: 7.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 16.28 AU - 19.58 AU

Year: 28012 Days

Day: 18.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 52,983,376 km

• M1: 891,304 km (0.083 R)
• M2: 991,235 km (0.117 R)
• M3: 1,498,821 km (0.037 R)
• M4: 1,570,329 km (0.028 R)
• M5: 1,643,183 km (0.116 R)
• M6: 2,103,496 km (0.083 R)
• M7: 2,265,660 km (0.073 R)
• M8: 2,924,638 km (0.054 R)
• M9: 4,201,007 km (0.056 R)
• M10: 4,544,035 km (0.109 R)
• M11: 4,967,696 km (0.084 R)
• M12: 5,514,926 km (0.087 R)
• M13: 5,890,416 km (0.117 R)
• M14: 6,042,856 km (0.039 R)
• M15: 6,312,881 km (0.093 R)
• M16: 6,390,821 km (0.072 R)
• M17: 6,508,255 km (0.091 R)
• M18: 6,705,575 km (0.066 R)
• M19: 7,514,600 km (0.088 R)
• M20: 7,804,970 km (0.115 R)
• M21: 8,698,219 km (0.052 R)
• M22: 8,828,518 km (0.113 R)
• M23: 9,848,477 km (0.098 R)
• M24: 10,029,640 km (0.103 R)
• M25: 10,166,222 km (0.066 R)
• M26: 10,765,362 km (0.07 R)
• M27: 11,045,858 km (0.106 R)
• M28: 11,328,598 km (0.112 R)
• M29: 12,094,389 km (0.104 R)
• M30: 12,434,725 km (0.092 R)
• M31: 12,581,480 km (0.097 R)
• M32: 12,876,936 km (0.114 R)
• M33: 13,324,234 km (0.07 R)
• M34: 14,081,049 km (0.117 R)
• M35: 14,644,884 km (0.063 R)
• M36: 15,007,509 km (0.092 R)
• M37: 15,373,276 km (0.054 R)
• M38: 15,583,461 km (0.089 R)
• M39: 15,636,119 km (0.102 R)
• M40: 17,573,112 km (0.086 R)
• M41: 18,346,533 km (0.047 R)
• M42: 21,315,303 km (0.11 R)
• M43: 21,491,081 km (0.05 R)
• M44: 21,667,456 km (0.118 R)
• M45: 22,377,298 km (0.047 R)
• M46: 23,637,810 km (0.101 R)
• M47: 23,758,984 km (0.027 R)
• M48: 25,292,063 km (0.039 R)
• M49: 25,851,858 km (0.089 R)
• M50: 25,914,241 km (0.088 R)
• M51: 29,099,778 km (0.087 R)
• M52: 31,135,954 km (0.034 R)
• M53: 31,335,368 km (0.046 R)
• M54: 31,401,939 km (0.066 R)
• M55: 32,946,537 km (0.103 R)
• M56: 33,898,728 km (0.087 R)
• M57: 33,967,094 km (0.11 R)
• M58: 35,205,316 km (0.075 R)
• M59: 35,830,036 km (0.086 R)
• M60: 36,318,473 km (0.102 R)
• M61: 36,879,316 km (0.059 R)
• M62: 38,507,838 km (0.07 R)
• M63: 39,079,751 km (0.078 R)
• M64: 39,726,463 km (0.114 R)
• M65: 40,087,293 km (0.116 R)
• M66: 40,957,653 km (0.084 R)
• M67: 41,103,361 km (0.076 R)
• M68: 41,395,227 km (0.08 R)
• M69: 41,907,749 km (0.097 R)
• M70: 43,606,283 km (0.084 R)
• M71: 44,202,281 km (0.074 R)
• M72: 44,576,126 km (0.076 R)
• M73: 46,461,359 km (0.073 R)
• M74: 47,528,440 km (0.083 R)
• M75: 47,758,073 km (0.062 R)
• M76: 47,911,411 km (0.11 R)
• M77: 50,153,285 km (0.071 R)
• M78: 50,231,225 km (0.096 R)
• M79: 50,699,466 km (0.032 R)
• M80: 51,483,210 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 18,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit