🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.86 AU - 1.24 AU

Year: 376 Days

Day: 47.7 Hours

Environment

Temp: 78 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.41 AU - 2.81 AU

Year: 1475 Days

Day: 24.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 13.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.3

Radius: 4.7

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 13.21 AU - 13.69 AU

Year: 17257 Days

Day: 19.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 73,906,059 km

• M1: 60,587 km (0.108 R)
• M2: 549,323 km (0.05 R)
• M3: 1,233,434 km (0.116 R)
• M4: 1,700,479 km (0.12 R)
• M5: 1,968,110 km (0.117 R)
• M6: 2,542,117 km (0.105 R)
• M7: 2,608,987 km (0.066 R)
• M8: 2,778,631 km (0.052 R)
• M9: 2,916,859 km (0.052 R)
• M10: 2,986,871 km (0.083 R)
• M11: 3,022,027 km (0.043 R)
• M12: 4,259,650 km (0.077 R)
• M13: 4,744,048 km (0.104 R)
• M14: 5,896,550 km (0.052 R)
• M15: 6,029,692 km (0.064 R)
• M16: 7,036,336 km (0.117 R)
• M17: 7,224,979 km (0.11 R)
• M18: 7,655,372 km (0.066 R)
• M19: 10,034,277 km (0.111 R)
• M20: 10,087,235 km (0.119 R)
• M21: 10,675,454 km (0.052 R)
• M22: 13,137,386 km (0.051 R)
• M23: 13,544,442 km (0.077 R)
• M24: 13,837,953 km (0.065 R)
• M25: 14,252,189 km (0.107 R)
• M26: 14,670,465 km (0.111 R)
• M27: 14,730,603 km (0.085 R)
• M28: 15,153,516 km (0.035 R)
• M29: 15,580,469 km (0.108 R)
• M30: 16,135,028 km (0.091 R)
• M31: 17,581,789 km (0.078 R)
• M32: 18,094,610 km (0.116 R)
• M33: 18,159,087 km (0.099 R)
• M34: 19,332,234 km (0.114 R)
• M35: 19,662,546 km (0.032 R)
• M36: 21,273,266 km (0.076 R)
• M37: 21,477,617 km (0.105 R)
• M38: 22,578,208 km (0.086 R)
• M39: 23,275,484 km (0.109 R)
• M40: 23,626,590 km (0.116 R)
• M41: 23,908,881 km (0.098 R)
• M42: 25,192,880 km (0.092 R)
• M43: 25,553,411 km (0.062 R)
• M44: 26,425,865 km (0.114 R)
• M45: 27,160,241 km (0.113 R)
• M46: 29,555,154 km (0.111 R)
• M47: 29,783,141 km (0.093 R)
• M48: 31,240,523 km (0.118 R)
• M49: 31,472,699 km (0.104 R)
• M50: 31,861,055 km (0.051 R)
• M51: 34,303,689 km (0.12 R)
• M52: 34,863,485 km (0.069 R)
• M53: 36,561,121 km (0.076 R)
• M54: 37,625,510 km (0.055 R)
• M55: 39,282,755 km (0.076 R)
• M56: 41,048,309 km (0.095 R)
• M57: 42,068,716 km (0.054 R)
• M58: 42,239,557 km (0.118 R)
• M59: 43,011,482 km (0.043 R)
• M60: 44,395,113 km (0.083 R)
• M61: 45,005,023 km (0.052 R)
• M62: 47,383,480 km (0.101 R)
• M63: 49,712,120 km (0.072 R)
• M64: 52,353,121 km (0.118 R)
• M65: 52,905,287 km (0.109 R)
• M66: 54,108,054 km (0.104 R)
• M67: 54,666,204 km (0.067 R)
• M68: 54,945,952 km (0.109 R)
• M69: 57,485,525 km (0.103 R)
• M70: 58,150,188 km (0.098 R)
• M71: 58,340,477 km (0.111 R)
• M72: 59,870,863 km (0.116 R)
• M73: 60,544,502 km (0.092 R)
• M74: 61,511,204 km (0.119 R)
• M75: 63,460,015 km (0.051 R)
• M76: 63,655,988 km (0.097 R)
• M77: 64,638,996 km (0.11 R)
• M78: 64,737,431 km (0.05 R)
• M79: 65,329,989 km (0.087 R)
• M80: 65,428,873 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.7

Radius: 4.9

Gravity: 26.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 12.11 AU - 17.43 AU

Year: 19859 Days

Day: 16.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 73,906,059 km

• M1: 157,975 km (0.093 R)
• M2: 254,316 km (0.113 R)
• M3: 352,901 km (0.103 R)
• M4: 565,330 km (0.057 R)
• M5: 987,645 km (0.114 R)
• M6: 1,547,440 km (0.083 R)
• M7: 2,021,666 km (0.081 R)
• M8: 2,054,727 km (0.114 R)
• M9: 2,502,024 km (0.101 R)
• M10: 2,537,629 km (0.118 R)
• M11: 2,681,841 km (0.089 R)
• M12: 3,169,081 km (0.099 R)
• M13: 4,308,119 km (0.109 R)
• M14: 4,742,851 km (0.087 R)
• M15: 4,786,982 km (0.075 R)
• M16: 4,831,413 km (0.079 R)
• M17: 5,145,868 km (0.106 R)
• M18: 5,282,750 km (0.058 R)
• M19: 5,374,603 km (0.081 R)
• M20: 6,080,405 km (0.036 R)
• M21: 6,468,762 km (0.099 R)
• M22: 6,715,448 km (0.112 R)
• M23: 6,765,115 km (0.119 R)
• M24: 7,167,384 km (0.098 R)
• M25: 8,047,468 km (0.119 R)
• M26: 8,206,341 km (0.1 R)
• M27: 8,527,228 km (0.097 R)
• M28: 8,743,248 km (0.11 R)
• M29: 9,070,867 km (0.097 R)
• M30: 9,236,322 km (0.032 R)
• M31: 9,458,176 km (0.063 R)
• M32: 9,964,116 km (0.086 R)
• M33: 10,652,266 km (0.1 R)
• M34: 10,768,354 km (0.068 R)
• M35: 11,178,252 km (0.109 R)
• M36: 12,194,919 km (0.109 R)
• M37: 13,553,866 km (0.048 R)
• M38: 13,679,678 km (0.07 R)
• M39: 14,700,833 km (0.095 R)
• M40: 16,078,031 km (0.108 R)
• M41: 17,086,620 km (0.096 R)
• M42: 18,115,554 km (0.102 R)
• M43: 18,742,369 km (0.103 R)
• M44: 19,234,995 km (0.065 R)
• M45: 21,687,054 km (0.075 R)
• M46: 21,760,656 km (0.092 R)
• M47: 23,325,450 km (0.096 R)
• M48: 23,855,026 km (0.105 R)
• M49: 26,247,545 km (0.06 R)
• M50: 27,671,417 km (0.068 R)
• M51: 28,473,112 km (0.08 R)
• M52: 30,923,974 km (0.11 R)
• M53: 32,342,611 km (0.065 R)
• M54: 33,782,191 km (0.076 R)
• M55: 34,295,312 km (0.079 R)
• M56: 34,897,144 km (0.079 R)
• M57: 36,811,249 km (0.071 R)
• M58: 37,604,118 km (0.106 R)
• M59: 38,580,692 km (0.104 R)
• M60: 40,468,318 km (0.076 R)
• M61: 43,494,683 km (0.077 R)
• M62: 43,959,634 km (0.097 R)
• M63: 45,458,155 km (0.111 R)
• M64: 45,646,649 km (0.085 R)
• M65: 46,593,005 km (0.096 R)
• M66: 47,641,536 km (0.08 R)
• M67: 47,928,914 km (0.114 R)
• M68: 48,987,169 km (0.111 R)
• M69: 50,053,204 km (0.095 R)
• M70: 51,814,120 km (0.088 R)
• M71: 52,109,576 km (0.115 R)
• M72: 52,405,630 km (0.06 R)
• M73: 52,603,249 km (0.084 R)
• M74: 54,393,187 km (0.106 R)
• M75: 57,318,873 km (0.106 R)
• M76: 58,134,929 km (0.062 R)
• M77: 59,057,499 km (0.093 R)
• M78: 60,502,316 km (0.115 R)
• M79: 63,005,986 km (0.112 R)
• M80: 63,426,505 km (0.08 R)
• M81: 63,848,072 km (0.119 R)
• M82: 64,059,155 km (0.119 R)
• M83: 64,693,749 km (0.079 R)
• M84: 64,905,879 km (0.079 R)
• M85: 66,931,583 km (0.094 R)
• M86: 67,575,602 km (0.047 R)
• M87: 67,683,163 km (0.117 R)
• M88: 68,653,604 km (0.081 R)
• M89: 68,761,614 km (0.105 R)
• M90: 68,978,082 km (0.089 R)
• M91: 71,154,282 km (0.058 R)
• M92: 71,701,811 km (0.029 R)
• M93: 72,360,789 km (0.027 R)
• M94: 73,242,519 km (0.11 R)
• M95: 73,795,283 km (0.091 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 14,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit