🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 144 Days

Day: 40 Hours

Environment

Temp: 152 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,861,948 km

• M1: 156,180 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.49 AU - 0.61 AU

Year: 152 Days

Day: 38.5 Hours

Environment

Temp: 197 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 82,861,948 km

• M1: 279,000 km (0.098 R)
• M2: 388,057 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.58 AU - 0.86 AU

Year: 228 Days

Day: 39.3 Hours

Environment

Temp: 141 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.05 AU

Year: 384 Days

Day: 47 Hours

Environment

Temp: 21 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.22 AU - 1.58 AU

Year: 618 Days

Day: 22.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,861,948 km

• M1: 141,370 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.16 AU - 1.66 AU

Year: 624 Days

Day: 19.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,861,948 km

• M1: 14,062 km (0.089 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.32 AU - 1.76 AU

Year: 712 Days

Day: 43.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.79 AU - 2.51 AU

Year: 1175 Days

Day: 24 Hours

Environment

Temp: -76 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 13

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.52 AU - 13.36 AU

Year: 13489 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,861,948 km

• M1: 560,693 km (0.086 R)
• M2: 645,066 km (0.05 R)
• M3: 797,207 km (0.044 R)
• M4: 1,020,407 km (0.089 R)
• M5: 1,696,440 km (0.105 R)
• M6: 1,899,594 km (0.085 R)
• M7: 2,378,457 km (0.034 R)
• M8: 3,086,204 km (0.048 R)
• M9: 3,192,568 km (0.096 R)
• M10: 3,409,036 km (0.112 R)
• M11: 4,542,689 km (0.065 R)
• M12: 6,363,445 km (0.092 R)
• M13: 7,505,026 km (0.111 R)
• M14: 7,794,199 km (0.112 R)
• M15: 9,814,668 km (0.092 R)
• M16: 9,946,164 km (0.103 R)
• M17: 10,937,100 km (0.088 R)
• M18: 11,624,503 km (0.08 R)
• M19: 12,354,241 km (0.076 R)
• M20: 13,359,987 km (0.108 R)
• M21: 14,153,754 km (0.077 R)
• M22: 15,144,840 km (0.061 R)
• M23: 15,296,831 km (0.039 R)
• M24: 15,541,274 km (0.082 R)
• M25: 16,282,382 km (0.094 R)
• M26: 16,375,881 km (0.074 R)
• M27: 16,845,917 km (0.098 R)
• M28: 17,161,718 km (0.082 R)
• M29: 17,991,837 km (0.051 R)
• M30: 18,120,790 km (0.094 R)
• M31: 18,574,371 km (0.078 R)
• M32: 18,737,283 km (0.065 R)
• M33: 19,195,800 km (0.114 R)
• M34: 19,426,630 km (0.082 R)
• M35: 22,370,118 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 7.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 15.37 AU - 19.37 AU

Year: 26987 Days

Day: 22.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 82,861,948 km

• M1: 98,435 km (0.097 R)
• M2: 218,413 km (0.097 R)
• M3: 463,005 km (0.118 R)
• M4: 547,528 km (0.119 R)
• M5: 939,026 km (0.099 R)
• M6: 1,077,254 km (0.094 R)
• M7: 1,281,904 km (0.068 R)
• M8: 2,256,385 km (0.057 R)
• M9: 3,074,236 km (0.025 R)
• M10: 3,198,103 km (0.115 R)
• M11: 3,885,954 km (0.06 R)
• M12: 4,201,157 km (0.072 R)
• M13: 4,712,931 km (0.113 R)
• M14: 6,051,383 km (0.084 R)
• M15: 6,311,385 km (0.088 R)
• M16: 6,522,018 km (0.078 R)
• M17: 8,003,935 km (0.098 R)
• M18: 8,174,776 km (0.113 R)
• M19: 8,929,198 km (0.042 R)
• M20: 10,255,832 km (0.089 R)
• M21: 10,942,037 km (0.082 R)
• M22: 12,556,198 km (0.079 R)
• M23: 13,021,298 km (0.082 R)
• M24: 13,492,082 km (0.096 R)
• M25: 13,559,850 km (0.076 R)
• M26: 14,037,067 km (0.103 R)
• M27: 15,148,280 km (0.079 R)
• M28: 16,359,724 km (0.046 R)
• M29: 16,431,980 km (0.09 R)
• M30: 17,602,134 km (0.086 R)
• M31: 18,798,917 km (0.089 R)
• M32: 18,874,464 km (0.118 R)
• M33: 19,178,297 km (0.064 R)
• M34: 20,099,072 km (0.081 R)
• M35: 22,463,317 km (0.084 R)
• M36: 22,543,502 km (0.09 R)
• M37: 23,841,562 km (0.116 R)
• M38: 23,923,542 km (0.03 R)
• M39: 24,005,522 km (0.111 R)
• M40: 24,417,065 km (0.106 R)
• M41: 28,920,260 km (0.11 R)
• M42: 29,007,626 km (0.108 R)
• M43: 30,151,600 km (0.097 R)
• M44: 32,574,637 km (0.025 R)
• M45: 33,121,417 km (0.101 R)
• M46: 35,619,702 km (0.099 R)
• M47: 35,713,350 km (0.06 R)
• M48: 37,223,541 km (0.047 R)
• M49: 37,890,747 km (0.117 R)
• M50: 38,369,909 km (0.073 R)
• M51: 38,465,951 km (0.032 R)
• M52: 39,140,488 km (0.11 R)
• M53: 39,624,736 km (0.067 R)
• M54: 39,818,914 km (0.118 R)
• M55: 45,486,280 km (0.056 R)
• M56: 50,345,219 km (0.059 R)
• M57: 50,450,386 km (0.108 R)
• M58: 50,661,020 km (0.114 R)
• M59: 51,612,013 km (0.066 R)
• M60: 52,462,328 km (0.096 R)
• M61: 53,424,541 km (0.108 R)
• M62: 53,639,065 km (0.109 R)
• M63: 55,583,388 km (0.114 R)
• M64: 56,454,945 km (0.115 R)
• M65: 56,892,369 km (0.057 R)
• M66: 57,001,875 km (0.039 R)
• M67: 57,990,867 km (0.091 R)
• M68: 58,764,138 km (0.119 R)
• M69: 60,544,053 km (0.085 R)
• M70: 62,454,717 km (0.099 R)
• M71: 62,680,760 km (0.064 R)
• M72: 64,499,122 km (0.118 R)
• M73: 65,070,885 km (0.037 R)
• M74: 65,300,069 km (0.038 R)
• M75: 65,414,811 km (0.062 R)
• M76: 66,450,028 km (0.097 R)
• M77: 66,911,986 km (0.075 R)
• M78: 68,187,607 km (0.067 R)
• M79: 68,769,992 km (0.118 R)
• M80: 69,120,350 km (0.118 R)
• M81: 70,645,051 km (0.088 R)
• M82: 76,490,887 km (0.072 R)
• M83: 76,974,836 km (0.036 R)
• M84: 79,410,290 km (0.074 R)
• M85: 79,900,372 km (0.096 R)
• M86: 80,514,322 km (0.096 R)
• M87: 81,006,649 km (0.094 R)
• M88: 82,118,161 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 17,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit