🌌 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: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.67 AU - 1.03 AU

Year: 295 Days

Day: 36.2 Hours

Environment

Temp: 72 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,391,134 km

• M1: 10,771 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.71 AU - 1.05 AU

Year: 311 Days

Day: 22 Hours

Environment

Temp: 23 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.93 AU - 1.47 AU

Year: 495 Days

Day: 23.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.2 AU - 1.66 AU

Year: 644 Days

Day: 22.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.88 AU - 4.66 AU

Year: 3324 Days

Day: 28 Hours

Environment

Temp: -141 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 12.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.85 AU - 7.87 AU

Year: 6769 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 27,391,134 km

• M1: 164,558 km (0.082 R)
• M2: 397,930 km (0.098 R)
• M3: 507,885 km (0.075 R)
• M4: 787,782 km (0.082 R)
• M5: 958,922 km (0.107 R)
• M6: 1,117,945 km (0.063 R)
• M7: 1,767,499 km (0.055 R)
• M8: 1,888,823 km (0.086 R)
• M9: 2,060,262 km (0.083 R)
• M10: 2,368,882 km (0.09 R)
• M11: 2,571,587 km (0.08 R)
• M12: 2,692,612 km (0.103 R)
• M13: 3,067,205 km (0.089 R)
• M14: 3,326,309 km (0.093 R)
• M15: 3,477,702 km (0.06 R)
• M16: 3,650,637 km (0.111 R)
• M17: 3,787,369 km (0.098 R)
• M18: 3,885,954 km (0.062 R)
• M19: 4,126,208 km (0.116 R)
• M20: 4,621,677 km (0.102 R)
• M21: 4,748,536 km (0.112 R)
• M22: 4,833,806 km (0.084 R)
• M23: 4,919,526 km (0.062 R)
• M24: 5,489,344 km (0.084 R)
• M25: 5,646,422 km (0.084 R)
• M26: 6,313,030 km (0.111 R)
• M27: 6,406,978 km (0.051 R)
• M28: 6,596,219 km (0.105 R)
• M29: 6,763,469 km (0.092 R)
• M30: 7,248,765 km (0.098 R)
• M31: 7,520,584 km (0.054 R)
• M32: 7,947,387 km (0.064 R)
• M33: 8,227,733 km (0.118 R)
• M34: 8,956,125 km (0.073 R)
• M35: 9,141,477 km (0.109 R)
• M36: 9,950,203 km (0.102 R)
• M37: 10,280,216 km (0.053 R)
• M38: 11,007,561 km (0.049 R)
• M39: 11,206,227 km (0.119 R)
• M40: 11,722,639 km (0.084 R)
• M41: 12,042,030 km (0.08 R)
• M42: 12,129,695 km (0.091 R)
• M43: 12,541,388 km (0.118 R)
• M44: 12,868,110 km (0.089 R)
• M45: 13,227,743 km (0.109 R)
• M46: 13,560,299 km (0.054 R)
• M47: 13,926,365 km (0.104 R)
• M48: 14,264,755 km (0.096 R)
• M49: 14,419,440 km (0.077 R)
• M50: 14,981,030 km (0.049 R)
• M51: 15,106,692 km (0.111 R)
• M52: 15,359,363 km (0.1 R)
• M53: 16,222,244 km (0.083 R)
• M54: 17,002,546 km (0.079 R)
• M55: 17,199,566 km (0.086 R)
• M56: 17,298,301 km (0.108 R)
• M57: 17,861,537 km (0.098 R)
• M58: 17,961,618 km (0.105 R)
• M59: 18,128,719 km (0.119 R)
• M60: 20,943,104 km (0.083 R)
• M61: 22,149,311 km (0.075 R)
• M62: 22,364,582 km (0.04 R)
• M63: 22,761,017 km (0.074 R)
• M64: 23,964,083 km (0.079 R)
• M65: 24,926,446 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 12.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.28 AU - 7.6 AU

Year: 7645 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 27,391,134 km

• M1: 163,211 km (0.111 R)
• M2: 251,773 km (0.059 R)
• M3: 419,173 km (0.109 R)
• M4: 581,188 km (0.084 R)
• M5: 813,663 km (0.038 R)
• M6: 935,585 km (0.117 R)
• M7: 1,024,895 km (0.058 R)
• M8: 1,171,501 km (0.118 R)
• M9: 1,254,677 km (0.069 R)
• M10: 1,442,123 km (0.102 R)
• M11: 1,976,188 km (0.109 R)
• M12: 2,076,718 km (0.087 R)
• M13: 2,230,803 km (0.106 R)
• M14: 2,388,779 km (0.078 R)
• M15: 2,496,190 km (0.119 R)
• M16: 2,923,142 km (0.094 R)
• M17: 3,057,780 km (0.083 R)
• M18: 3,194,513 km (0.098 R)
• M19: 3,637,622 km (0.098 R)
• M20: 4,626,613 km (0.104 R)
• M21: 4,738,961 km (0.086 R)
• M22: 5,267,640 km (0.069 R)
• M23: 5,863,638 km (0.081 R)
• M24: 5,985,560 km (0.111 R)
• M25: 6,256,482 km (0.108 R)
• M26: 6,355,965 km (0.09 R)
• M27: 6,506,311 km (0.078 R)
• M28: 7,041,871 km (0.096 R)
• M29: 7,328,052 km (0.087 R)
• M30: 7,778,042 km (0.072 R)
• M31: 8,621,475 km (0.103 R)
• M32: 9,040,199 km (0.1 R)
• M33: 9,124,722 km (0.109 R)
• M34: 9,522,652 km (0.113 R)
• M35: 9,608,671 km (0.063 R)
• M36: 11,110,484 km (0.108 R)
• M37: 11,231,359 km (0.1 R)
• M38: 11,413,570 km (0.11 R)
• M39: 12,245,334 km (0.098 R)
• M40: 14,032,430 km (0.104 R)
• M41: 14,491,845 km (0.105 R)
• M42: 14,657,151 km (0.116 R)
• M43: 15,223,678 km (0.061 R)
• M44: 15,391,826 km (0.103 R)
• M45: 15,831,643 km (0.093 R)
• M46: 16,035,994 km (0.11 R)
• M47: 16,688,989 km (0.106 R)
• M48: 16,792,959 km (0.113 R)
• M49: 17,631,904 km (0.054 R)
• M50: 18,056,613 km (0.067 R)
• M51: 18,305,843 km (0.076 R)
• M52: 18,412,955 km (0.08 R)
• M53: 18,699,883 km (0.114 R)
• M54: 18,807,744 km (0.078 R)
• M55: 19,350,634 km (0.118 R)
• M56: 19,459,841 km (0.1 R)
• M57: 19,788,657 km (0.095 R)
• M58: 20,008,865 km (0.119 R)
• M59: 20,972,724 km (0.096 R)
• M60: 21,422,565 km (0.099 R)
• M61: 21,648,757 km (0.057 R)
• M62: 21,800,000 km (0.063 R)
• M63: 22,293,972 km (0.114 R)
• M64: 22,676,344 km (0.104 R)
• M65: 23,408,925 km (0.047 R)
• M66: 23,603,103 km (0.115 R)
• M67: 24,267,019 km (0.099 R)
• M68: 24,345,408 km (0.088 R)
• M69: 24,897,424 km (0.072 R)
• M70: 25,016,205 km (0.108 R)
• M71: 25,174,928 km (0.057 R)
• M72: 25,413,686 km (0.033 R)
• M73: 25,773,170 km (0.069 R)
• M74: 25,973,631 km (0.084 R)
• M75: 26,255,025 km (0.038 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: 183 - 11,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit