🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.89 AU - 0.91 AU

Year: 297 Days

Day: 34 Hours

Environment

Temp: 144 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.68 AU - 2.34 AU

Year: 992 Days

Day: 20.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,345,920 km

• M1: 34,856 km (0.111 R)
• M2: 502,499 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.09 AU - 2.17 AU

Year: 1083 Days

Day: 37.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,345,920 km

• M1: 61,036 km (0.11 R)
• M2: 1,380,788 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.59 AU - 3.21 AU

Year: 1720 Days

Day: 29.5 Hours

Environment

Temp: -85 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 14.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.02 AU - 8.06 AU

Year: 7939 Days

Day: 13.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 43,345,920 km

• M1: 176,376 km (0.084 R)
• M2: 291,865 km (0.093 R)
• M3: 590,912 km (0.084 R)
• M4: 731,384 km (0.092 R)
• M5: 1,022,053 km (0.042 R)
• M6: 1,167,013 km (0.079 R)
• M7: 1,662,182 km (0.095 R)
• M8: 1,888,823 km (0.086 R)
• M9: 1,978,881 km (0.108 R)
• M10: 2,201,033 km (0.09 R)
• M11: 2,296,178 km (0.115 R)
• M12: 2,570,091 km (0.12 R)
• M13: 2,875,570 km (0.104 R)
• M14: 3,043,419 km (0.097 R)
• M15: 3,702,099 km (0.045 R)
• M16: 4,428,845 km (0.115 R)
• M17: 4,821,390 km (0.102 R)
• M18: 5,123,129 km (0.057 R)
• M19: 5,250,736 km (0.108 R)
• M20: 5,587,630 km (0.12 R)
• M21: 6,337,265 km (0.08 R)
• M22: 6,948,522 km (0.095 R)
• M23: 7,549,756 km (0.06 R)
• M24: 7,695,464 km (0.084 R)
• M25: 7,842,070 km (0.062 R)
• M26: 8,498,057 km (0.099 R)
• M27: 8,588,863 km (0.059 R)
• M28: 8,832,707 km (0.118 R)
• M29: 9,421,225 km (0.11 R)
• M30: 9,546,738 km (0.106 R)
• M31: 10,150,515 km (0.056 R)
• M32: 11,328,448 km (0.05 R)
• M33: 12,137,773 km (0.056 R)
• M34: 12,826,521 km (0.11 R)
• M35: 13,070,516 km (0.086 R)
• M36: 13,563,291 km (0.061 R)
• M37: 13,919,035 km (0.087 R)
• M38: 14,931,513 km (0.118 R)
• M39: 15,078,119 km (0.085 R)
• M40: 15,188,373 km (0.116 R)
• M41: 15,372,677 km (0.078 R)
• M42: 16,042,576 km (0.104 R)
• M43: 16,155,074 km (0.045 R)
• M44: 16,608,056 km (0.105 R)
• M45: 16,950,636 km (0.069 R)
• M46: 17,720,017 km (0.046 R)
• M47: 17,875,300 km (0.115 R)
• M48: 18,422,230 km (0.112 R)
• M49: 18,618,951 km (0.105 R)
• M50: 18,935,201 km (0.093 R)
• M51: 19,054,131 km (0.119 R)
• M52: 19,733,306 km (0.044 R)
• M53: 19,934,664 km (0.052 R)
• M54: 20,055,689 km (0.119 R)
• M55: 20,217,554 km (0.07 R)
• M56: 20,420,558 km (0.052 R)
• M57: 20,828,362 km (0.118 R)
• M58: 21,321,437 km (0.11 R)
• M59: 22,360,992 km (0.085 R)
• M60: 23,587,395 km (0.116 R)
• M61: 23,843,956 km (0.097 R)
• M62: 24,402,853 km (0.068 R)
• M63: 25,053,155 km (0.094 R)
• M64: 25,796,956 km (0.103 R)
• M65: 25,885,069 km (0.081 R)
• M66: 26,017,164 km (0.053 R)
• M67: 26,149,558 km (0.114 R)
• M68: 26,237,971 km (0.111 R)
• M69: 26,326,532 km (0.096 R)
• M70: 26,948,710 km (0.068 R)
• M71: 27,801,119 km (0.116 R)
• M72: 27,981,683 km (0.095 R)
• M73: 28,935,968 km (0.084 R)
• M74: 31,157,197 km (0.102 R)
• M75: 31,391,767 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 12.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.73 AU - 8.47 AU

Year: 8028 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 43,345,920 km

• M1: 223,798 km (0.089 R)
• M2: 510,727 km (0.057 R)
• M3: 635,492 km (0.11 R)
• M4: 729,888 km (0.111 R)
• M5: 815,308 km (0.092 R)
• M6: 950,545 km (0.084 R)
• M7: 1,126,921 km (0.115 R)
• M8: 1,550,283 km (0.119 R)
• M9: 2,021,815 km (0.107 R)
• M10: 2,274,336 km (0.103 R)
• M11: 2,382,496 km (0.098 R)
• M12: 2,514,890 km (0.093 R)
• M13: 3,140,658 km (0.055 R)
• M14: 3,384,652 km (0.09 R)
• M15: 4,558,247 km (0.111 R)
• M16: 4,640,676 km (0.095 R)
• M17: 4,751,378 km (0.11 R)
• M18: 5,174,740 km (0.092 R)
• M19: 5,318,503 km (0.082 R)
• M20: 5,758,022 km (0.094 R)
• M21: 5,877,102 km (0.073 R)
• M22: 6,331,580 km (0.12 R)
• M23: 6,891,824 km (0.119 R)
• M24: 7,274,346 km (0.082 R)
• M25: 7,598,375 km (0.095 R)
• M26: 7,861,069 km (0.055 R)
• M27: 8,564,777 km (0.1 R)
• M28: 8,666,953 km (0.115 R)
• M29: 8,872,650 km (0.066 R)
• M30: 9,045,286 km (0.109 R)
• M31: 10,248,501 km (0.113 R)
• M32: 10,575,522 km (0.115 R)
• M33: 10,758,630 km (0.115 R)
• M34: 10,979,736 km (0.041 R)
• M35: 11,165,237 km (0.09 R)
• M36: 11,539,232 km (0.116 R)
• M37: 11,652,178 km (0.09 R)
• M38: 11,803,571 km (0.112 R)
• M39: 12,338,084 km (0.048 R)
• M40: 12,492,320 km (0.071 R)
• M41: 12,647,154 km (0.111 R)
• M42: 12,997,961 km (0.088 R)
• M43: 13,391,553 km (0.054 R)
• M44: 13,549,977 km (0.118 R)
• M45: 14,029,288 km (0.107 R)
• M46: 14,271,038 km (0.066 R)
• M47: 14,595,516 km (0.076 R)
• M48: 15,128,085 km (0.11 R)
• M49: 15,750,412 km (0.119 R)
• M50: 16,001,736 km (0.039 R)
• M51: 17,623,976 km (0.092 R)
• M52: 18,366,729 km (0.105 R)
• M53: 18,587,087 km (0.064 R)
• M54: 18,852,772 km (0.066 R)
• M55: 19,702,189 km (0.101 R)
• M56: 20,930,687 km (0.081 R)
• M57: 21,114,842 km (0.108 R)
• M58: 21,763,498 km (0.074 R)
• M59: 22,843,445 km (0.105 R)
• M60: 23,509,305 km (0.108 R)
• M61: 24,617,078 km (0.067 R)
• M62: 25,643,319 km (0.097 R)
• M63: 26,136,992 km (0.108 R)
• M64: 26,534,174 km (0.119 R)
• M65: 26,683,623 km (0.062 R)
• M66: 27,083,498 km (0.059 R)
• M67: 27,737,540 km (0.08 R)
• M68: 29,061,481 km (0.109 R)
• M69: 29,215,417 km (0.028 R)
• M70: 31,138,049 km (0.093 R)
• M71: 31,295,725 km (0.025 R)
• M72: 31,928,973 km (0.069 R)
• M73: 32,194,210 km (0.097 R)
• M74: 32,460,045 km (0.084 R)
• M75: 33,369,451 km (0.11 R)
• M76: 33,530,867 km (0.115 R)
• M77: 33,638,577 km (0.1 R)
• M78: 35,158,791 km (0.045 R)
• M79: 36,203,134 km (0.057 R)
• M80: 36,534,942 km (0.042 R)
• M81: 36,701,294 km (0.087 R)
• M82: 36,812,296 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.5

Radius: 7.1

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 12.01 AU - 19.73 AU

Year: 22017 Days

Day: 19.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 43,345,920 km

• M1: 159,920 km (0.108 R)
• M2: 229,483 km (0.073 R)
• M3: 1,085,482 km (0.089 R)
• M4: 1,435,691 km (0.112 R)
• M5: 1,602,343 km (0.099 R)
• M6: 1,688,062 km (0.061 R)
• M7: 2,329,987 km (0.05 R)
• M8: 2,452,059 km (0.054 R)
• M9: 5,495,478 km (0.103 R)
• M10: 6,089,830 km (0.117 R)
• M11: 6,360,602 km (0.089 R)
• M12: 8,066,018 km (0.103 R)
• M13: 8,588,713 km (0.112 R)
• M14: 9,470,892 km (0.114 R)
• M15: 9,823,943 km (0.097 R)
• M16: 11,736,701 km (0.101 R)
• M17: 11,904,699 km (0.115 R)
• M18: 12,158,268 km (0.112 R)
• M19: 12,972,679 km (0.118 R)
• M20: 13,364,625 km (0.033 R)
• M21: 13,937,734 km (0.102 R)
• M22: 14,204,916 km (0.04 R)
• M23: 14,383,985 km (0.092 R)
• M24: 14,428,864 km (0.085 R)
• M25: 16,590,404 km (0.104 R)
• M26: 16,637,527 km (0.061 R)
• M27: 20,142,456 km (0.106 R)
• M28: 20,545,472 km (0.085 R)
• M29: 21,002,195 km (0.112 R)
• M30: 21,053,058 km (0.057 R)
• M31: 23,019,372 km (0.114 R)
• M32: 26,296,164 km (0.083 R)
• M33: 26,902,484 km (0.082 R)
• M34: 27,124,039 km (0.08 R)
• M35: 27,346,341 km (0.069 R)
• M36: 27,569,092 km (0.111 R)
• M37: 27,736,642 km (0.046 R)
• M38: 28,748,821 km (0.081 R)
• M39: 29,772,968 km (0.11 R)
• M40: 29,944,856 km (0.096 R)
• M41: 30,231,934 km (0.113 R)
• M42: 31,040,960 km (0.078 R)
• M43: 31,273,435 km (0.081 R)
• M44: 38,759,163 km (0.119 R)
• M45: 39,260,316 km (0.064 R)
• M46: 39,511,790 km (0.113 R)
• M47: 40,079,214 km (0.038 R)
• M48: 41,222,441 km (0.063 R)
• M49: 41,413,927 km (0.071 R)
• M50: 41,477,954 km (0.054 R)
• M51: 41,926,299 km (0.099 R)
• M52: 42,957,178 km (0.106 R)
• M53: 43,345,983 km (0.119 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 16,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit