🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.99 AU - 1.09 AU

Year: 371 Days

Day: 32.8 Hours

Environment

Temp: 128 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,302,440 km

• M1: 42,785 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.41 AU - 1.75 AU

Year: 695 Days

Day: 20.1 Hours

Environment

Temp: -22 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.04 AU - 2.12 AU

Year: 1049 Days

Day: 24.7 Hours

Environment

Temp: -55 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.55 AU - 5.63 AU

Year: 3440 Days

Day: 26.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,302,440 km

• M1: 74,350 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 9.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.98 AU - 10.34 AU

Year: 9699 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 130.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 80,302,440 km

• M1: 163,510 km (0.118 R)
• M2: 342,130 km (0.077 R)
• M3: 446,849 km (0.046 R)
• M4: 509,381 km (0.099 R)
• M5: 780,901 km (0.034 R)
• M6: 954,285 km (0.09 R)
• M7: 1,616,255 km (0.1 R)
• M8: 1,822,850 km (0.077 R)
• M9: 2,395,959 km (0.115 R)
• M10: 2,473,900 km (0.116 R)
• M11: 2,692,612 km (0.111 R)
• M12: 2,794,189 km (0.111 R)
• M13: 3,234,904 km (0.111 R)
• M14: 3,343,064 km (0.062 R)
• M15: 3,856,184 km (0.061 R)
• M16: 3,994,114 km (0.069 R)
• M17: 4,441,860 km (0.11 R)
• M18: 4,562,286 km (0.102 R)
• M19: 4,880,780 km (0.096 R)
• M20: 5,852,867 km (0.09 R)
• M21: 6,038,368 km (0.096 R)
• M22: 6,279,819 km (0.072 R)
• M23: 9,322,790 km (0.111 R)
• M24: 9,947,062 km (0.118 R)
• M25: 10,908,677 km (0.104 R)
• M26: 11,104,650 km (0.091 R)
• M27: 11,170,174 km (0.043 R)
• M28: 11,367,643 km (0.092 R)
• M29: 11,499,888 km (0.056 R)
• M30: 12,270,466 km (0.054 R)
• M31: 12,644,910 km (0.088 R)
• M32: 12,747,683 km (0.102 R)
• M33: 13,023,243 km (0.084 R)
• M34: 13,790,829 km (0.099 R)
• M35: 14,109,024 km (0.093 R)
• M36: 16,292,106 km (0.045 R)
• M37: 16,553,603 km (0.059 R)
• M38: 16,816,446 km (0.07 R)
• M39: 17,118,484 km (0.119 R)
• M40: 17,689,948 km (0.057 R)
• M41: 17,804,989 km (0.118 R)
• M42: 18,151,458 km (0.074 R)
• M43: 18,267,546 km (0.09 R)
• M44: 18,422,679 km (0.097 R)
• M45: 21,288,076 km (0.074 R)
• M46: 22,980,776 km (0.111 R)
• M47: 23,064,401 km (0.072 R)
• M48: 24,118,917 km (0.042 R)
• M49: 24,203,888 km (0.077 R)
• M50: 24,844,915 km (0.071 R)
• M51: 24,930,784 km (0.117 R)
• M52: 25,361,776 km (0.096 R)
• M53: 25,838,694 km (0.1 R)
• M54: 26,362,286 km (0.109 R)
• M55: 27,553,085 km (0.052 R)
• M56: 27,775,687 km (0.096 R)
• M57: 27,954,008 km (0.074 R)
• M58: 28,043,318 km (0.075 R)
• M59: 28,581,421 km (0.115 R)
• M60: 29,804,533 km (0.106 R)
• M61: 29,941,415 km (0.112 R)
• M62: 30,216,077 km (0.111 R)
• M63: 30,307,781 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.4

Radius: 3.6

Gravity: 76.27 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 13.36 AU - 14.36 AU

Year: 18052 Days

Day: 19.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 80,302,440 km

• M1: 51,910 km (0.116 R)
• M2: 91,703 km (0.089 R)
• M3: 441,164 km (0.074 R)
• M4: 525,837 km (0.103 R)
• M5: 969,095 km (0.071 R)
• M6: 1,136,944 km (0.099 R)
• M7: 1,283,849 km (0.072 R)
• M8: 2,469,412 km (0.087 R)
• M9: 2,697,848 km (0.095 R)
• M10: 2,775,489 km (0.107 R)
• M11: 3,549,209 km (0.099 R)
• M12: 3,850,051 km (0.072 R)
• M13: 4,114,540 km (0.086 R)
• M14: 4,203,999 km (0.089 R)
• M15: 4,430,341 km (0.094 R)
• M16: 4,476,118 km (0.068 R)
• M17: 5,037,409 km (0.104 R)
• M18: 5,085,280 km (0.108 R)
• M19: 5,277,813 km (0.11 R)
• M20: 5,375,051 km (0.095 R)
• M21: 6,534,884 km (0.106 R)
• M22: 7,008,959 km (0.1 R)
• M23: 7,548,709 km (0.115 R)
• M24: 7,658,214 km (0.025 R)
• M25: 8,270,069 km (0.052 R)
• M26: 8,667,551 km (0.116 R)
• M27: 8,955,377 km (0.06 R)
• M28: 9,071,316 km (0.114 R)
• M29: 9,246,196 km (0.065 R)
• M30: 10,379,399 km (0.065 R)
• M31: 10,684,878 km (0.104 R)
• M32: 11,055,283 km (0.034 R)
• M33: 12,320,133 km (0.117 R)
• M34: 13,497,019 km (0.114 R)
• M35: 13,830,323 km (0.079 R)
• M36: 14,641,144 km (0.112 R)
• M37: 14,846,242 km (0.118 R)
• M38: 16,167,042 km (0.115 R)
• M39: 18,919,194 km (0.091 R)
• M40: 20,120,614 km (0.076 R)
• M41: 21,812,267 km (0.083 R)
• M42: 22,359,945 km (0.119 R)
• M43: 22,438,633 km (0.094 R)
• M44: 22,674,998 km (0.071 R)
• M45: 22,833,123 km (0.093 R)
• M46: 25,002,591 km (0.085 R)
• M47: 25,329,463 km (0.119 R)
• M48: 25,411,442 km (0.111 R)
• M49: 25,493,422 km (0.068 R)
• M50: 26,401,780 km (0.097 R)
• M51: 26,484,957 km (0.098 R)
• M52: 26,568,133 km (0.045 R)
• M53: 27,320,760 km (0.027 R)
• M54: 27,826,401 km (0.102 R)
• M55: 29,275,705 km (0.097 R)
• M56: 29,361,724 km (0.081 R)
• M57: 29,706,547 km (0.114 R)
• M58: 29,793,014 km (0.099 R)
• M59: 29,879,482 km (0.119 R)
• M60: 30,574,663 km (0.083 R)
• M61: 31,980,883 km (0.088 R)
• M62: 32,781,082 km (0.115 R)
• M63: 33,228,529 km (0.043 R)
• M64: 34,492,033 km (0.11 R)
• M65: 36,047,253 km (0.086 R)
• M66: 36,324,158 km (0.094 R)
• M67: 38,281,497 km (0.052 R)
• M68: 41,233,063 km (0.099 R)
• M69: 41,812,754 km (0.071 R)
• M70: 41,909,544 km (0.108 R)
• M71: 42,492,378 km (0.085 R)
• M72: 43,175,741 km (0.067 R)
• M73: 43,665,973 km (0.1 R)
• M74: 43,764,259 km (0.071 R)
• M75: 47,149,359 km (0.036 R)
• M76: 48,160,940 km (0.089 R)
• M77: 48,465,821 km (0.114 R)
• M78: 52,695,850 km (0.107 R)
• M79: 56,399,145 km (0.108 R)
• M80: 58,877,982 km (0.111 R)
• M81: 59,312,713 km (0.088 R)
• M82: 60,404,179 km (0.057 R)
• M83: 60,842,651 km (0.091 R)
• M84: 61,282,169 km (0.102 R)
• M85: 64,387,971 km (0.088 R)
• M86: 64,723,818 km (0.118 R)
• M87: 68,227,699 km (0.074 R)
• M88: 68,912,858 km (0.083 R)
• M89: 69,256,334 km (0.104 R)
• M90: 69,370,926 km (0.1 R)
• M91: 71,676,678 km (0.112 R)
• M92: 72,373,206 km (0.099 R)
• M93: 73,305,500 km (0.109 R)
• M94: 74,593,837 km (0.068 R)
• M95: 75,181,906 km (0.034 R)
• M96: 76,955,389 km (0.061 R)
• M97: 77,430,511 km (0.062 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 18,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit