🌌 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: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.61 AU - 0.79 AU

Year: 209 Days

Day: 35.9 Hours

Environment

Temp: 154 °C

Axial Tilt: 39.6 °

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: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.72 AU - 1.02 AU

Year: 289 Days

Day: 37.6 Hours

Environment

Temp: 137 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,166,881 km

• M1: 302,786 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.39 AU - 1.99 AU

Year: 783 Days

Day: 13.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,166,881 km

• M1: 39,943 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.67 AU - 2.63 AU

Year: 1124 Days

Day: 30.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.45 AU - 2.57 AU

Year: 1417 Days

Day: 18.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 12.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.2

Radius: 4

Gravity: 53.08 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 11.58 AU - 14.3 AU

Year: 16592 Days

Day: 23.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 72,166,881 km

• M1: 169,195 km (0.089 R)
• M2: 369,656 km (0.107 R)
• M3: 562,937 km (0.075 R)
• M4: 670,498 km (0.117 R)
• M5: 761,304 km (0.083 R)
• M6: 929,751 km (0.037 R)
• M7: 1,385,426 km (0.077 R)
• M8: 1,590,674 km (0.1 R)
• M9: 1,868,477 km (0.096 R)
• M10: 1,996,982 km (0.061 R)
• M11: 3,160,704 km (0.079 R)
• M12: 3,313,742 km (0.087 R)
• M13: 3,626,851 km (0.111 R)
• M14: 3,746,828 km (0.101 R)
• M15: 4,323,378 km (0.091 R)
• M16: 4,621,976 km (0.086 R)
• M17: 5,239,067 km (0.118 R)
• M18: 5,374,603 km (0.105 R)
• M19: 5,741,716 km (0.046 R)
• M20: 6,164,479 km (0.078 R)
• M21: 6,355,516 km (0.075 R)
• M22: 6,694,505 km (0.111 R)
• M23: 7,139,110 km (0.074 R)
• M24: 8,004,533 km (0.111 R)
• M25: 8,423,258 km (0.068 R)
• M26: 9,172,743 km (0.114 R)
• M27: 9,665,818 km (0.077 R)
• M28: 9,999,271 km (0.086 R)
• M29: 10,055,221 km (0.057 R)
• M30: 10,677,548 km (0.086 R)
• M31: 11,080,116 km (0.102 R)
• M32: 11,840,671 km (0.099 R)
• M33: 12,557,544 km (0.062 R)
• M34: 12,678,270 km (0.099 R)
• M35: 13,349,815 km (0.065 R)
• M36: 14,032,879 km (0.112 R)
• M37: 14,727,312 km (0.099 R)
• M38: 14,854,769 km (0.052 R)
• M39: 15,239,236 km (0.11 R)
• M40: 15,887,443 km (0.082 R)
• M41: 16,083,566 km (0.058 R)
• M42: 16,544,477 km (0.118 R)
• M43: 16,743,293 km (0.12 R)
• M44: 16,876,435 km (0.099 R)
• M45: 17,009,727 km (0.026 R)
• M46: 17,614,252 km (0.117 R)
• M47: 19,749,462 km (0.098 R)
• M48: 21,747,192 km (0.047 R)
• M49: 22,329,577 km (0.092 R)
• M50: 24,408,239 km (0.106 R)
• M51: 26,936,144 km (0.054 R)
• M52: 27,404,684 km (0.062 R)
• M53: 28,270,557 km (0.033 R)
• M54: 30,271,578 km (0.106 R)
• M55: 31,411,962 km (0.12 R)
• M56: 31,740,330 km (0.098 R)
• M57: 33,315,745 km (0.062 R)
• M58: 33,818,394 km (0.06 R)
• M59: 36,369,636 km (0.032 R)
• M60: 38,017,008 km (0.077 R)
• M61: 39,246,403 km (0.108 R)
• M62: 40,399,653 km (0.071 R)
• M63: 40,488,813 km (0.106 R)
• M64: 42,014,712 km (0.102 R)
• M65: 42,648,558 km (0.075 R)
• M66: 43,833,971 km (0.099 R)
• M67: 43,925,525 km (0.085 R)
• M68: 44,476,644 km (0.081 R)
• M69: 45,493,012 km (0.104 R)
• M70: 46,050,563 km (0.088 R)
• M71: 46,797,505 km (0.113 R)
• M72: 46,984,951 km (0.081 R)
• M73: 48,777,283 km (0.091 R)
• M74: 49,157,412 km (0.099 R)
• M75: 51,555,914 km (0.118 R)
• M76: 52,623,145 km (0.109 R)
• M77: 52,915,460 km (0.088 R)
• M78: 53,991,966 km (0.065 R)
• M79: 54,483,694 km (0.1 R)
• M80: 55,075,802 km (0.107 R)
• M81: 56,465,417 km (0.116 R)
• M82: 57,565,410 km (0.116 R)
• M83: 59,583,336 km (0.084 R)
• M84: 60,499,024 km (0.083 R)
• M85: 60,601,050 km (0.052 R)
• M86: 61,727,073 km (0.109 R)
• M87: 62,756,756 km (0.064 R)
• M88: 63,480,809 km (0.12 R)
• M89: 65,669,875 km (0.069 R)
• M90: 67,777,410 km (0.094 R)
• M91: 68,946,068 km (0.117 R)
• M92: 70,872,739 km (0.067 R)
• M93: 71,950,592 km (0.115 R)
• M94: 72,058,751 km (0.098 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 14,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit