🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.75 AU - 0.97 AU

Year: 283 Days

Day: 19.9 Hours

Environment

Temp: 174 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.53 AU - 1.89 AU

Year: 793 Days

Day: 21.1 Hours

Environment

Temp: -31 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,959,960 km

• M1: 465,698 km (0.076 R)
• M2: 1,030,131 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.89 AU - 2.27 AU

Year: 1064 Days

Day: 41.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,959,960 km

• M1: 126,859 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.9 AU - 5.34 AU

Year: 3523 Days

Day: 16.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.17 AU - 5.21 AU

Year: 3603 Days

Day: 18 Hours

Environment

Temp: -123 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,959,960 km

• M1: 681,269 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 11.8

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.68 AU - 8.86 AU

Year: 6954 Days

Day: 11.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 87,959,960 km

• M1: 166,353 km (0.097 R)
• M2: 303,384 km (0.064 R)
• M3: 841,787 km (0.08 R)
• M4: 1,194,689 km (0.039 R)
• M5: 1,376,749 km (0.068 R)
• M6: 2,126,384 km (0.1 R)
• M7: 2,377,858 km (0.075 R)
• M8: 2,609,436 km (0.07 R)
• M9: 2,698,297 km (0.097 R)
• M10: 3,001,831 km (0.037 R)
• M11: 3,494,307 km (0.094 R)
• M12: 3,995,161 km (0.073 R)
• M13: 4,394,587 km (0.117 R)
• M14: 4,518,753 km (0.082 R)
• M15: 5,843,143 km (0.109 R)
• M16: 5,960,428 km (0.117 R)
• M17: 6,197,092 km (0.087 R)
• M18: 6,436,897 km (0.091 R)
• M19: 7,091,537 km (0.119 R)
• M20: 7,258,638 km (0.092 R)
• M21: 7,703,243 km (0.085 R)
• M22: 8,909,451 km (0.085 R)
• M23: 10,056,567 km (0.026 R)
• M24: 10,409,768 km (0.062 R)
• M25: 11,788,911 km (0.093 R)
• M26: 11,962,295 km (0.114 R)
• M27: 12,261,341 km (0.12 R)
• M28: 12,411,836 km (0.094 R)
• M29: 12,487,383 km (0.12 R)
• M30: 12,816,199 km (0.079 R)
• M31: 14,107,528 km (0.118 R)
• M32: 14,370,820 km (0.103 R)
• M33: 14,556,022 km (0.116 R)
• M34: 15,684,140 km (0.111 R)
• M35: 15,820,274 km (0.094 R)
• M36: 16,645,605 km (0.034 R)
• M37: 17,007,632 km (0.105 R)
• M38: 17,654,344 km (0.108 R)
• M39: 17,852,860 km (0.07 R)
• M40: 18,223,414 km (0.116 R)
• M41: 18,338,006 km (0.079 R)
• M42: 19,233,649 km (0.114 R)
• M43: 19,730,912 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.9

Radius: 3.3

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 15.12 AU - 16.88 AU

Year: 22705 Days

Day: 23.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 87,959,960 km

• M1: 58,792 km (0.098 R)
• M2: 124,316 km (0.115 R)
• M3: 342,579 km (0.107 R)
• M4: 489,484 km (0.086 R)
• M5: 992,582 km (0.077 R)
• M6: 1,074,113 km (0.053 R)
• M7: 1,222,065 km (0.052 R)
• M8: 1,265,598 km (0.107 R)
• M9: 1,467,555 km (0.089 R)
• M10: 1,801,458 km (0.08 R)
• M11: 1,926,222 km (0.046 R)
• M12: 2,002,517 km (0.086 R)
• M13: 2,079,859 km (0.094 R)
• M14: 2,317,421 km (0.079 R)
• M15: 2,675,708 km (0.062 R)
• M16: 2,789,402 km (0.07 R)
• M17: 3,535,446 km (0.045 R)
• M18: 3,850,051 km (0.029 R)
• M19: 3,978,555 km (0.076 R)
• M20: 4,173,781 km (0.03 R)
• M21: 4,675,382 km (0.12 R)
• M22: 5,770,887 km (0.113 R)
• M23: 6,177,794 km (0.097 R)
• M24: 6,479,682 km (0.111 R)
• M25: 6,517,680 km (0.059 R)
• M26: 7,613,185 km (0.114 R)
• M27: 7,653,427 km (0.118 R)
• M28: 7,936,466 km (0.083 R)
• M29: 7,977,306 km (0.117 R)
• M30: 9,446,058 km (0.119 R)
• M31: 10,321,954 km (0.108 R)
• M32: 11,360,911 km (0.118 R)
• M33: 12,908,651 km (0.119 R)
• M34: 13,052,564 km (0.092 R)
• M35: 13,197,075 km (0.079 R)
• M36: 15,835,383 km (0.085 R)
• M37: 15,989,469 km (0.045 R)
• M38: 16,092,542 km (0.087 R)
• M39: 19,064,603 km (0.108 R)
• M40: 20,055,091 km (0.059 R)
• M41: 20,333,193 km (0.092 R)
• M42: 20,893,287 km (0.089 R)
• M43: 22,200,474 km (0.109 R)
• M44: 24,833,396 km (0.055 R)
• M45: 25,072,154 km (0.034 R)
• M46: 25,551,915 km (0.065 R)
• M47: 25,974,229 km (0.104 R)
• M48: 27,748,311 km (0.106 R)
• M49: 28,244,527 km (0.084 R)
• M50: 28,868,948 km (0.086 R)
• M51: 28,931,630 km (0.038 R)
• M52: 28,994,461 km (0.09 R)
• M53: 30,577,506 km (0.077 R)
• M54: 31,864,047 km (0.07 R)
• M55: 33,365,262 km (0.061 R)
• M56: 33,892,894 km (0.055 R)
• M57: 34,025,138 km (0.102 R)
• M58: 34,423,218 km (0.063 R)
• M59: 35,023,105 km (0.098 R)
• M60: 35,156,846 km (0.072 R)
• M61: 36,368,439 km (0.076 R)
• M62: 37,047,464 km (0.091 R)
• M63: 37,388,547 km (0.11 R)
• M64: 37,867,709 km (0.063 R)
• M65: 38,348,965 km (0.081 R)
• M66: 39,109,371 km (0.067 R)
• M67: 39,387,175 km (0.089 R)
• M68: 39,665,576 km (0.061 R)
• M69: 41,420,210 km (0.082 R)
• M70: 42,627,764 km (0.114 R)
• M71: 42,985,153 km (0.104 R)
• M72: 43,918,943 km (0.093 R)
• M73: 46,981,211 km (0.084 R)
• M74: 48,240,227 km (0.108 R)
• M75: 48,389,077 km (0.089 R)
• M76: 49,285,318 km (0.078 R)
• M77: 49,510,163 km (0.106 R)
• M78: 49,961,051 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.3

Radius: 5.7

Gravity: 22.88 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 13.68 AU - 19.4 AU

Year: 23864 Days

Day: 20.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 87,959,960 km

• M1: 397,631 km (0.113 R)
• M2: 696,378 km (0.052 R)
• M3: 882,029 km (0.116 R)
• M4: 1,330,374 km (0.077 R)
• M5: 1,395,000 km (0.087 R)
• M6: 2,059,663 km (0.082 R)
• M7: 2,483,624 km (0.077 R)
• M8: 2,603,901 km (0.099 R)
• M9: 2,976,250 km (0.093 R)
• M10: 3,588,255 km (0.104 R)
• M11: 3,678,761 km (0.099 R)
• M12: 3,770,166 km (0.05 R)
• M13: 5,908,069 km (0.071 R)
• M14: 6,068,886 km (0.048 R)
• M15: 7,638,916 km (0.099 R)
• M16: 7,755,752 km (0.056 R)
• M17: 7,931,978 km (0.111 R)
• M18: 8,109,401 km (0.063 R)
• M19: 8,710,635 km (0.05 R)
• M20: 8,955,228 km (0.11 R)
• M21: 10,469,158 km (0.102 R)
• M22: 10,533,934 km (0.12 R)
• M23: 11,454,859 km (0.064 R)
• M24: 11,588,599 km (0.119 R)
• M25: 11,857,426 km (0.045 R)
• M26: 12,060,431 km (0.098 R)
• M27: 12,745,439 km (0.118 R)
• M28: 12,814,703 km (0.102 R)
• M29: 12,883,967 km (0.118 R)
• M30: 15,461,389 km (0.108 R)
• M31: 18,660,838 km (0.098 R)
• M32: 18,739,377 km (0.11 R)
• M33: 19,691,269 km (0.113 R)
• M34: 19,771,303 km (0.067 R)
• M35: 20,658,718 km (0.08 R)
• M36: 21,230,182 km (0.117 R)
• M37: 22,388,668 km (0.085 R)
• M38: 23,144,287 km (0.104 R)
• M39: 23,228,660 km (0.109 R)
• M40: 23,993,554 km (0.115 R)
• M41: 24,164,544 km (0.054 R)
• M42: 24,594,040 km (0.064 R)
• M43: 26,778,916 km (0.112 R)
• M44: 27,580,611 km (0.078 R)
• M45: 27,849,588 km (0.104 R)
• M46: 29,664,809 km (0.101 R)
• M47: 32,081,263 km (0.114 R)
• M48: 32,837,331 km (0.118 R)
• M49: 32,932,326 km (0.115 R)
• M50: 33,312,903 km (0.045 R)
• M51: 36,311,891 km (0.085 R)
• M52: 36,606,599 km (0.089 R)
• M53: 38,092,405 km (0.113 R)
• M54: 38,591,912 km (0.074 R)
• M55: 39,597,659 km (0.108 R)
• M56: 41,634,883 km (0.032 R)
• M57: 42,562,838 km (0.081 R)
• M58: 44,753,998 km (0.099 R)
• M59: 45,704,393 km (0.087 R)
• M60: 47,624,931 km (0.069 R)
• M61: 47,839,903 km (0.108 R)
• M62: 48,594,924 km (0.09 R)
• M63: 49,245,375 km (0.062 R)
• M64: 49,353,983 km (0.084 R)
• M65: 52,318,265 km (0.084 R)
• M66: 53,319,075 km (0.073 R)
• M67: 54,775,709 km (0.112 R)
• M68: 55,001,004 km (0.113 R)
• M69: 56,018,568 km (0.092 R)
• M70: 57,156,559 km (0.11 R)
• M71: 58,416,921 km (0.115 R)
• M72: 59,339,491 km (0.055 R)
• M73: 59,686,558 km (0.102 R)
• M74: 60,150,611 km (0.119 R)
• M75: 60,266,699 km (0.05 R)
• M76: 60,615,711 km (0.105 R)
• M77: 62,135,625 km (0.102 R)
• M78: 62,605,811 km (0.099 R)
• M79: 63,313,260 km (0.118 R)
• M80: 64,736,235 km (0.111 R)
• M81: 65,093,624 km (0.042 R)
• M82: 68,703,271 km (0.031 R)
• M83: 69,189,314 km (0.06 R)
• M84: 70,899,966 km (0.109 R)
• M85: 72,006,990 km (0.106 R)
• M86: 72,871,965 km (0.047 R)
• M87: 73,491,899 km (0.064 R)
• M88: 79,786,678 km (0.063 R)
• M89: 79,914,285 km (0.08 R)
• M90: 80,809,778 km (0.099 R)
• M91: 82,868,843 km (0.05 R)
• M92: 83,904,958 km (0.118 R)
• M93: 84,814,962 km (0.067 R)
• M94: 86,513,795 km (0.076 R)
• M95: 87,433,224 km (0.087 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 14,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit