🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.52 AU - 0.58 AU

Year: 148 Days

Day: 15.1 Hours

Environment

Temp: 167 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 103,303,232 km

• M1: 55,650 km (0.049 R)
• M2: 172,337 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.66 AU - 0.96 AU

Year: 265 Days

Day: 16.1 Hours

Environment

Temp: 117 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.84 AU - 1.1 AU

Year: 347 Days

Day: 25.6 Hours

Environment

Temp: 50 °C

Axial Tilt: 173.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 103,303,232 km

• M1: 149,897 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.74 AU - 2.04 AU

Year: 944 Days

Day: 43.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.96 AU - 2.12 AU

Year: 1059 Days

Day: 43.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.96 AU - 3.06 AU

Year: 1898 Days

Day: 26.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.6

Radius: 4.9

Gravity: 37.51 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 14.45 AU - 21.41 AU

Year: 27593 Days

Day: 19.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 103,303,232 km

• M1: 518,955 km (0.035 R)
• M2: 597,344 km (0.088 R)
• M3: 1,285,195 km (0.112 R)
• M4: 2,266,857 km (0.101 R)
• M5: 2,353,324 km (0.112 R)
• M6: 2,756,042 km (0.037 R)
• M7: 3,424,146 km (0.09 R)
• M8: 4,733,576 km (0.03 R)
• M9: 5,761,463 km (0.113 R)
• M10: 6,179,140 km (0.119 R)
• M11: 6,361,201 km (0.117 R)
• M12: 6,855,173 km (0.112 R)
• M13: 7,043,517 km (0.032 R)
• M14: 7,170,076 km (0.118 R)
• M15: 8,011,116 km (0.116 R)
• M16: 8,276,053 km (0.072 R)
• M17: 8,342,774 km (0.108 R)
• M18: 8,951,039 km (0.115 R)
• M19: 9,503,803 km (0.098 R)
• M20: 10,787,203 km (0.057 R)
• M21: 10,933,061 km (0.11 R)
• M22: 11,449,024 km (0.039 R)
• M23: 11,523,374 km (0.11 R)
• M24: 12,888,904 km (0.084 R)
• M25: 13,277,260 km (0.11 R)
• M26: 14,949,614 km (0.112 R)
• M27: 15,603,956 km (0.082 R)
• M28: 17,110,256 km (0.057 R)
• M29: 17,880,685 km (0.098 R)
• M30: 18,313,472 km (0.116 R)
• M31: 18,400,538 km (0.098 R)
• M32: 19,810,797 km (0.115 R)
• M33: 20,438,659 km (0.06 R)
• M34: 20,619,374 km (0.082 R)
• M35: 21,347,018 km (0.077 R)
• M36: 23,014,884 km (0.108 R)
• M37: 23,674,761 km (0.102 R)
• M38: 23,769,456 km (0.117 R)
• M39: 24,820,232 km (0.107 R)
• M40: 26,179,328 km (0.083 R)
• M41: 29,070,606 km (0.08 R)
• M42: 30,811,925 km (0.096 R)
• M43: 31,643,091 km (0.103 R)
• M44: 31,747,511 km (0.078 R)
• M45: 32,586,755 km (0.055 R)
• M46: 32,692,221 km (0.098 R)
• M47: 33,221,050 km (0.114 R)
• M48: 33,539,843 km (0.05 R)
• M49: 35,581,554 km (0.091 R)
• M50: 35,690,013 km (0.107 R)
• M51: 36,016,435 km (0.083 R)
• M52: 37,001,537 km (0.073 R)
• M53: 37,221,596 km (0.065 R)
• M54: 39,109,970 km (0.108 R)
• M55: 40,122,299 km (0.082 R)
• M56: 44,140,049 km (0.051 R)
• M57: 45,076,232 km (0.101 R)
• M58: 45,664,600 km (0.04 R)
• M59: 45,900,666 km (0.107 R)
• M60: 48,043,655 km (0.115 R)
• M61: 48,283,760 km (0.086 R)
• M62: 50,951,240 km (0.085 R)
• M63: 53,044,862 km (0.116 R)
• M64: 54,289,666 km (0.106 R)
• M65: 55,922,078 km (0.115 R)
• M66: 58,336,737 km (0.094 R)
• M67: 58,977,913 km (0.092 R)
• M68: 59,492,380 km (0.096 R)
• M69: 60,137,746 km (0.066 R)
• M70: 60,785,355 km (0.049 R)
• M71: 65,117,111 km (0.053 R)
• M72: 65,382,797 km (0.109 R)
• M73: 66,850,651 km (0.106 R)
• M74: 68,464,363 km (0.079 R)
• M75: 70,363,209 km (0.102 R)
• M76: 70,908,792 km (0.108 R)
• M77: 71,182,257 km (0.078 R)
• M78: 72,141,778 km (0.073 R)
• M79: 73,105,637 km (0.065 R)
• M80: 75,882,772 km (0.109 R)
• M81: 76,022,496 km (0.064 R)
• M82: 76,442,268 km (0.045 R)
• M83: 77,988,212 km (0.082 R)
• M84: 79,828,416 km (0.119 R)
• M85: 81,826,146 km (0.086 R)
• M86: 82,112,775 km (0.063 R)
• M87: 84,129,205 km (0.101 R)
• M88: 85,143,628 km (0.06 R)
• M89: 87,770,417 km (0.089 R)
• M90: 90,275,583 km (0.085 R)
• M91: 91,016,841 km (0.078 R)
• M92: 92,356,190 km (0.07 R)
• M93: 95,205,132 km (0.119 R)
• M94: 97,626,673 km (0.108 R)
• M95: 102,838,962 km (0.063 R)
• M96: 103,303,164 km (0.085 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 16,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit