🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.46 AU - 0.7 AU

Year: 165 Days

Day: 27.5 Hours

Environment

Temp: 170 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.04 AU - 1.3 AU

Year: 472 Days

Day: 26 Hours

Environment

Temp: 3 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.6 AU - 1.72 AU

Year: 797 Days

Day: 28.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,055,802 km

• M1: 101,577 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.59 AU - 2.33 AU

Year: 1023 Days

Day: 47.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.03 AU - 2.55 AU

Year: 1292 Days

Day: 37 Hours

Environment

Temp: -79 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 12.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.23 AU - 5.95 AU

Year: 4927 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 97,055,802 km

• M1: 162,014 km (0.094 R)
• M2: 610,359 km (0.085 R)
• M3: 812,765 km (0.047 R)
• M4: 896,989 km (0.115 R)
• M5: 1,002,455 km (0.11 R)
• M6: 1,093,860 km (0.069 R)
• M7: 1,305,690 km (0.117 R)
• M8: 1,437,486 km (0.081 R)
• M9: 1,573,919 km (0.034 R)
• M10: 1,714,840 km (0.06 R)
• M11: 1,815,071 km (0.072 R)
• M12: 2,597,468 km (0.089 R)
• M13: 2,818,274 km (0.108 R)
• M14: 3,018,287 km (0.043 R)
• M15: 3,222,937 km (0.094 R)
• M16: 3,446,436 km (0.107 R)
• M17: 3,574,492 km (0.118 R)
• M18: 3,983,043 km (0.037 R)
• M19: 4,087,612 km (0.095 R)
• M20: 4,345,369 km (0.105 R)
• M21: 4,453,080 km (0.032 R)
• M22: 4,718,317 km (0.097 R)
• M23: 5,248,192 km (0.088 R)
• M24: 5,763,408 km (0.058 R)
• M25: 5,984,364 km (0.118 R)
• M26: 6,752,848 km (0.115 R)
• M27: 7,003,873 km (0.115 R)
• M28: 7,813,198 km (0.111 R)
• M29: 8,458,862 km (0.073 R)
• M30: 8,651,993 km (0.074 R)
• M31: 8,885,814 km (0.067 R)
• M32: 9,359,591 km (0.077 R)
• M33: 10,290,838 km (0.113 R)
• M34: 10,642,542 km (0.093 R)
• M35: 10,725,868 km (0.066 R)
• M36: 11,040,323 km (0.051 R)
• M37: 11,124,546 km (0.105 R)
• M38: 11,294,041 km (0.076 R)
• M39: 11,464,283 km (0.087 R)
• M40: 11,635,274 km (0.097 R)
• M41: 12,175,472 km (0.106 R)
• M42: 12,262,687 km (0.093 R)
• M43: 12,945,452 km (0.107 R)
• M44: 13,437,479 km (0.118 R)
• M45: 13,753,879 km (0.07 R)
• M46: 14,187,114 km (0.099 R)
• M47: 14,555,574 km (0.054 R)
• M48: 14,740,925 km (0.035 R)
• M49: 14,997,037 km (0.108 R)
• M50: 15,703,288 km (0.036 R)
• M51: 15,798,283 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.2

Radius: 6.4

Gravity: 18.05 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 16.35 AU - 19.03 AU

Year: 27736 Days

Day: 18.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 97,055,802 km

• M1: 124,615 km (0.086 R)
• M2: 769,831 km (0.082 R)
• M3: 1,005,298 km (0.108 R)
• M4: 1,364,781 km (0.098 R)
• M5: 2,315,177 km (0.04 R)
• M6: 2,398,503 km (0.05 R)
• M7: 2,440,540 km (0.086 R)
• M8: 2,525,362 km (0.068 R)
• M9: 3,617,576 km (0.064 R)
• M10: 3,910,937 km (0.117 R)
• M11: 4,572,758 km (0.064 R)
• M12: 4,943,312 km (0.103 R)
• M13: 6,170,015 km (0.063 R)
• M14: 6,286,103 km (0.062 R)
• M15: 6,461,431 km (0.071 R)
• M16: 6,520,223 km (0.114 R)
• M17: 8,365,962 km (0.096 R)
• M18: 8,753,420 km (0.101 R)
• M19: 8,883,870 km (0.092 R)
• M20: 9,814,817 km (0.068 R)
• M21: 10,291,885 km (0.091 R)
• M22: 10,706,720 km (0.101 R)
• M23: 10,916,306 km (0.069 R)
• M24: 11,127,239 km (0.096 R)
• M25: 12,128,947 km (0.118 R)
• M26: 13,234,026 km (0.06 R)
• M27: 14,912,065 km (0.119 R)
• M28: 15,934,866 km (0.111 R)
• M29: 16,174,073 km (0.044 R)
• M30: 16,575,294 km (0.079 R)
• M31: 16,817,793 km (0.101 R)
• M32: 18,047,188 km (0.085 R)
• M33: 18,798,618 km (0.071 R)
• M34: 18,882,842 km (0.089 R)
• M35: 19,475,249 km (0.112 R)
• M36: 21,113,795 km (0.05 R)
• M37: 22,171,302 km (0.107 R)
• M38: 26,381,435 km (0.044 R)
• M39: 27,138,251 km (0.118 R)
• M40: 27,806,355 km (0.064 R)
• M41: 28,673,274 km (0.091 R)
• M42: 28,770,214 km (0.111 R)
• M43: 30,829,578 km (0.107 R)
• M44: 32,632,232 km (0.052 R)
• M45: 33,342,373 km (0.079 R)
• M46: 33,444,250 km (0.118 R)
• M47: 34,468,696 km (0.102 R)
• M48: 35,295,673 km (0.062 R)
• M49: 37,074,691 km (0.092 R)
• M50: 38,561,394 km (0.102 R)
• M51: 40,392,921 km (0.096 R)
• M52: 40,719,044 km (0.028 R)
• M53: 44,475,746 km (0.072 R)
• M54: 45,601,470 km (0.101 R)
• M55: 47,307,783 km (0.106 R)
• M56: 47,422,226 km (0.068 R)
• M57: 49,382,706 km (0.11 R)
• M58: 49,615,031 km (0.059 R)
• M59: 50,431,237 km (0.083 R)
• M60: 52,195,146 km (0.07 R)
• M61: 52,313,478 km (0.07 R)
• M62: 54,458,262 km (0.07 R)
• M63: 55,662,226 km (0.058 R)
• M64: 56,267,499 km (0.047 R)
• M65: 57,851,292 km (0.072 R)
• M66: 61,436,854 km (0.11 R)
• M67: 61,937,109 km (0.075 R)
• M68: 63,698,474 km (0.055 R)
• M69: 64,204,713 km (0.11 R)
• M70: 64,839,308 km (0.077 R)
• M71: 64,966,615 km (0.104 R)
• M72: 67,785,638 km (0.06 R)
• M73: 70,252,207 km (0.098 R)
• M74: 70,513,555 km (0.097 R)
• M75: 70,906,249 km (0.082 R)
• M76: 72,748,098 km (0.079 R)
• M77: 73,409,770 km (0.12 R)
• M78: 74,605,655 km (0.093 R)
• M79: 75,540,342 km (0.038 R)
• M80: 79,181,405 km (0.109 R)
• M81: 79,725,642 km (0.114 R)
• M82: 80,954,888 km (0.061 R)
• M83: 81,640,495 km (0.115 R)
• M84: 82,327,897 km (0.069 R)
• M85: 82,741,386 km (0.075 R)
• M86: 83,293,701 km (0.092 R)
• M87: 85,515,080 km (0.08 R)
• M88: 85,933,804 km (0.085 R)
• M89: 86,353,127 km (0.114 R)
• M90: 86,633,174 km (0.074 R)
• M91: 87,194,017 km (0.072 R)
• M92: 90,299,968 km (0.1 R)
• M93: 90,868,589 km (0.085 R)
• M94: 93,154,893 km (0.117 R)
• M95: 93,298,358 km (0.048 R)
• M96: 96,184,400 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 19,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit