🌌 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: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.56 AU - 0.82 AU

Year: 205 Days

Day: 46.7 Hours

Environment

Temp: 126 °C

Axial Tilt: 44.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.78 AU - 1.22 AU

Year: 358 Days

Day: 41.4 Hours

Environment

Temp: 129 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,274,403 km

• M1: 479,910 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.07 AU - 1.33 AU

Year: 471 Days

Day: 13.6 Hours

Environment

Temp: 28 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.41 AU - 1.87 AU

Year: 752 Days

Day: 26 Hours

Environment

Temp: -30 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,274,403 km

• M1: 287,378 km (0.096 R)
• M2: 545,284 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.38 AU - 1.92 AU

Year: 759 Days

Day: 18.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,274,403 km

• M1: 847,023 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.64 AU - 2.14 AU

Year: 931 Days

Day: 38.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,274,403 km

• M1: 328,517 km (0.094 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.24 AU - 2.66 AU

Year: 1373 Days

Day: 38.8 Hours

Environment

Temp: -86 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,274,403 km

• M1: 179,069 km (0.04 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.79 AU - 2.95 AU

Year: 1741 Days

Day: 25.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.22 AU - 3.94 AU

Year: 2426 Days

Day: 14.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 11.1

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.93 AU - 6.39 AU

Year: 5476 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 56 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 35,274,403 km

• M1: 150,495 km (0.097 R)
• M2: 237,412 km (0.026 R)
• M3: 530,923 km (0.116 R)
• M4: 733,778 km (0.086 R)
• M5: 859,739 km (0.104 R)
• M6: 1,232,537 km (0.075 R)
• M7: 1,616,854 km (0.092 R)
• M8: 1,709,604 km (0.101 R)
• M9: 1,804,001 km (0.089 R)
• M10: 1,978,581 km (0.112 R)
• M11: 2,386,834 km (0.104 R)
• M12: 2,471,656 km (0.059 R)
• M13: 2,843,706 km (0.099 R)
• M14: 3,567,760 km (0.062 R)
• M15: 3,863,066 km (0.11 R)
• M16: 4,217,613 km (0.093 R)
• M17: 4,346,865 km (0.118 R)
• M18: 5,205,108 km (0.063 R)
• M19: 5,399,735 km (0.098 R)
• M20: 5,568,631 km (0.098 R)
• M21: 5,653,752 km (0.117 R)
• M22: 5,882,637 km (0.12 R)
• M23: 6,647,980 km (0.095 R)
• M24: 6,859,511 km (0.076 R)
• M25: 7,227,223 km (0.118 R)
• M26: 7,695,913 km (0.1 R)
• M27: 8,045,972 km (0.093 R)
• M28: 9,127,116 km (0.093 R)
• M29: 9,294,965 km (0.082 R)
• M30: 9,463,711 km (0.118 R)
• M31: 9,976,383 km (0.076 R)
• M32: 10,184,025 km (0.101 R)
• M33: 10,253,588 km (0.1 R)
• M34: 10,358,157 km (0.092 R)
• M35: 10,568,342 km (0.081 R)
• M36: 11,423,443 km (0.063 R)
• M37: 11,568,104 km (0.084 R)
• M38: 11,786,218 km (0.118 R)
• M39: 12,079,280 km (0.1 R)
• M40: 12,709,985 km (0.107 R)
• M41: 14,274,928 km (0.119 R)
• M42: 14,941,387 km (0.056 R)
• M43: 15,899,710 km (0.048 R)
• M44: 16,183,049 km (0.072 R)
• M45: 16,264,281 km (0.108 R)
• M46: 16,467,883 km (0.11 R)
• M47: 17,249,682 km (0.086 R)
• M48: 17,499,061 km (0.113 R)
• M49: 18,849,332 km (0.074 R)
• M50: 19,149,275 km (0.104 R)
• M51: 19,623,650 km (0.061 R)
• M52: 19,797,034 km (0.105 R)
• M53: 19,971,017 km (0.063 R)
• M54: 20,058,232 km (0.064 R)
• M55: 20,145,448 km (0.104 R)
• M56: 20,364,309 km (0.052 R)
• M57: 20,936,970 km (0.103 R)
• M58: 21,158,674 km (0.087 R)
• M59: 21,336,546 km (0.047 R)
• M60: 22,641,039 km (0.046 R)
• M61: 24,156,765 km (0.054 R)
• M62: 25,091,303 km (0.036 R)
• M63: 25,942,365 km (0.115 R)
• M64: 26,419,433 km (0.103 R)
• M65: 26,563,047 km (0.102 R)
• M66: 26,754,981 km (0.115 R)
• M67: 27,333,625 km (0.065 R)
• M68: 27,575,974 km (0.085 R)
• M69: 28,160,453 km (0.097 R)
• M70: 28,307,208 km (0.113 R)
• M71: 28,945,991 km (0.115 R)
• M72: 29,391,194 km (0.068 R)
• M73: 30,137,987 km (0.074 R)
• M74: 30,739,969 km (0.067 R)
• M75: 31,447,268 km (0.083 R)
• M76: 31,904,887 km (0.111 R)
• M77: 32,672,325 km (0.12 R)
• M78: 32,775,248 km (0.114 R)
• M79: 33,913,089 km (0.11 R)
• M80: 34,225,599 km (0.054 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 16,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit