🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.6 AU - 0.78 AU

Year: 201 Days

Day: 27.3 Hours

Environment

Temp: 181 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.67 AU - 1.07 AU

Year: 285 Days

Day: 35.3 Hours

Environment

Temp: 154 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,072,500 km

• M1: 215,122 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.03 AU - 1.13 AU

Year: 394 Days

Day: 26.7 Hours

Environment

Temp: 76 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,072,500 km

• M1: 34,856 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.34 AU - 1.4 AU

Year: 564 Days

Day: 12.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.13 AU - 4.85 AU

Year: 2801 Days

Day: 20.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.9

Radius: 5.6

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 14.33 AU - 19.43 AU

Year: 24375 Days

Day: 22.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 67,072,500 km

• M1: 75,697 km (0.115 R)
• M2: 303,384 km (0.036 R)
• M3: 730,636 km (0.1 R)
• M4: 1,283,999 km (0.112 R)
• M5: 1,501,215 km (0.096 R)
• M6: 1,818,811 km (0.089 R)
• M7: 2,062,655 km (0.117 R)
• M8: 2,414,809 km (0.049 R)
• M9: 2,854,926 km (0.097 R)
• M10: 3,430,130 km (0.103 R)
• M11: 4,357,786 km (0.072 R)
• M12: 4,724,750 km (0.111 R)
• M13: 4,807,627 km (0.068 R)
• M14: 5,662,579 km (0.119 R)
• M15: 6,107,632 km (0.108 R)
• M16: 6,609,982 km (0.086 R)
• M17: 6,983,677 km (0.119 R)
• M18: 7,030,801 km (0.102 R)
• M19: 8,901,373 km (0.119 R)
• M20: 9,106,770 km (0.099 R)
• M21: 9,158,232 km (0.092 R)
• M22: 9,890,813 km (0.103 R)
• M23: 9,996,878 km (0.117 R)
• M24: 12,483,793 km (0.111 R)
• M25: 14,361,695 km (0.099 R)
• M26: 14,784,159 km (0.098 R)
• M27: 15,394,668 km (0.105 R)
• M28: 17,338,992 km (0.115 R)
• M29: 17,531,225 km (0.096 R)
• M30: 18,372,414 km (0.094 R)
• M31: 18,437,638 km (0.089 R)
• M32: 18,503,013 km (0.114 R)
• M33: 18,568,387 km (0.106 R)
• M34: 18,830,782 km (0.076 R)
• M35: 19,160,495 km (0.103 R)
• M36: 19,625,296 km (0.057 R)
• M37: 19,892,627 km (0.118 R)
• M38: 20,973,621 km (0.049 R)
• M39: 21,178,571 km (0.098 R)
• M40: 21,246,937 km (0.045 R)
• M41: 21,521,299 km (0.114 R)
• M42: 21,866,122 km (0.087 R)
• M43: 22,911,063 km (0.089 R)
• M44: 23,121,996 km (0.094 R)
• M45: 23,900,953 km (0.096 R)
• M46: 24,257,893 km (0.114 R)
• M47: 24,329,551 km (0.104 R)
• M48: 24,688,585 km (0.099 R)
• M49: 25,411,891 km (0.113 R)
• M50: 27,474,098 km (0.087 R)
• M51: 27,847,943 km (0.083 R)
• M52: 27,997,989 km (0.112 R)
• M53: 28,979,651 km (0.117 R)
• M54: 29,360,228 km (0.12 R)
• M55: 29,665,856 km (0.105 R)
• M56: 29,819,044 km (0.091 R)
• M57: 31,287,647 km (0.085 R)
• M58: 33,813,756 km (0.077 R)
• M59: 35,344,442 km (0.1 R)
• M60: 36,897,567 km (0.096 R)
• M61: 39,058,658 km (0.069 R)
• M62: 39,647,475 km (0.049 R)
• M63: 40,408,928 km (0.069 R)
• M64: 40,663,693 km (0.108 R)
• M65: 41,774,308 km (0.098 R)
• M66: 42,118,084 km (0.111 R)
• M67: 44,462,582 km (0.1 R)
• M68: 44,637,910 km (0.102 R)
• M69: 44,813,538 km (0.12 R)
• M70: 46,492,924 km (0.117 R)
• M71: 46,938,277 km (0.051 R)
• M72: 48,824,257 km (0.096 R)
• M73: 49,640,164 km (0.094 R)
• M74: 51,377,294 km (0.119 R)
• M75: 52,022,211 km (0.071 R)
• M76: 54,253,912 km (0.105 R)
• M77: 54,441,208 km (0.07 R)
• M78: 55,287,184 km (0.107 R)
• M79: 55,664,470 km (0.085 R)
• M80: 55,758,866 km (0.075 R)
• M81: 55,948,108 km (0.081 R)
• M82: 57,659,507 km (0.086 R)
• M83: 58,137,921 km (0.105 R)
• M84: 59,871,312 km (0.117 R)
• M85: 61,523,770 km (0.119 R)
• M86: 62,208,629 km (0.061 R)
• M87: 63,585,827 km (0.111 R)
• M88: 63,783,446 km (0.118 R)
• M89: 64,377,349 km (0.112 R)
• M90: 64,674,899 km (0.06 R)
• M91: 65,570,542 km (0.064 R)
• M92: 66,370,143 km (0.07 R)
• M93: 66,670,834 km (0.078 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 19,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit