🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.11 AU - 1.53 AU

Year: 541 Days

Day: 45.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.77 AU - 4.47 AU

Year: 2981 Days

Day: 38.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,532,591 km

• M1: 787,932 km (0.064 R)
• M2: 1,409,362 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.3

Radius: 13.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 11.42 AU - 13.04 AU

Year: 15245 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 79,532,591 km

• M1: 168,597 km (0.085 R)
• M2: 265,237 km (0.11 R)
• M3: 445,353 km (0.079 R)
• M4: 539,600 km (0.077 R)
• M5: 678,726 km (0.113 R)
• M6: 772,823 km (0.113 R)
• M7: 872,156 km (0.11 R)
• M8: 1,129,913 km (0.088 R)
• M9: 1,292,226 km (0.085 R)
• M10: 1,437,785 km (0.11 R)
• M11: 1,538,165 km (0.068 R)
• M12: 1,746,256 km (0.112 R)
• M13: 1,908,719 km (0.115 R)
• M14: 2,547,652 km (0.079 R)
• M15: 2,827,549 km (0.072 R)
• M16: 3,216,504 km (0.1 R)
• M17: 3,692,225 km (0.091 R)
• M18: 4,559,444 km (0.085 R)
• M19: 5,171,898 km (0.111 R)
• M20: 6,097,609 km (0.113 R)
• M21: 6,431,811 km (0.109 R)
• M22: 6,686,277 km (0.076 R)
• M23: 6,944,184 km (0.118 R)
• M24: 7,381,309 km (0.077 R)
• M25: 8,190,932 km (0.118 R)
• M26: 8,374,638 km (0.093 R)
• M27: 8,887,011 km (0.101 R)
• M28: 9,266,242 km (0.095 R)
• M29: 11,087,895 km (0.105 R)
• M30: 11,444,836 km (0.109 R)
• M31: 11,753,905 km (0.103 R)
• M32: 12,327,463 km (0.067 R)
• M33: 12,644,311 km (0.119 R)
• M34: 13,017,259 km (0.1 R)
• M35: 14,157,942 km (0.035 R)
• M36: 14,489,751 km (0.118 R)
• M37: 15,104,747 km (0.06 R)
• M38: 15,957,156 km (0.11 R)
• M39: 16,708,586 km (0.093 R)
• M40: 16,942,108 km (0.075 R)
• M41: 17,530,626 km (0.067 R)
• M42: 18,546,695 km (0.117 R)
• M43: 19,031,392 km (0.082 R)
• M44: 23,121,996 km (0.083 R)
• M45: 24,103,508 km (0.112 R)
• M46: 24,301,426 km (0.092 R)
• M47: 25,769,280 km (0.106 R)
• M48: 27,060,011 km (0.12 R)
• M49: 27,197,042 km (0.081 R)
• M50: 27,816,826 km (0.056 R)
• M51: 28,163,146 km (0.079 R)
• M52: 28,720,248 km (0.098 R)
• M53: 29,000,295 km (0.117 R)
• M54: 29,845,523 km (0.058 R)
• M55: 30,200,070 km (0.05 R)
• M56: 30,985,160 km (0.115 R)
• M57: 31,488,108 km (0.094 R)
• M58: 31,921,493 km (0.026 R)
• M59: 32,867,251 km (0.076 R)
• M60: 33,086,711 km (0.092 R)
• M61: 36,741,237 km (0.066 R)
• M62: 37,655,579 km (0.059 R)
• M63: 39,041,005 km (0.027 R)
• M64: 39,351,271 km (0.116 R)
• M65: 39,662,135 km (0.096 R)
• M66: 41,308,310 km (0.034 R)
• M67: 42,816,706 km (0.063 R)
• M68: 43,537,618 km (0.059 R)
• M69: 44,262,420 km (0.03 R)
• M70: 44,423,985 km (0.079 R)
• M71: 45,072,492 km (0.064 R)
• M72: 46,214,821 km (0.113 R)
• M73: 48,195,198 km (0.12 R)
• M74: 48,861,507 km (0.098 R)
• M75: 49,530,808 km (0.116 R)
• M76: 50,119,027 km (0.064 R)
• M77: 50,794,012 km (0.049 R)
• M78: 51,217,524 km (0.084 R)
• M79: 53,696,361 km (0.095 R)
• M80: 54,041,333 km (0.078 R)
• M81: 56,739,929 km (0.097 R)
• M82: 56,915,407 km (0.092 R)
• M83: 57,003,371 km (0.105 R)
• M84: 57,355,225 km (0.109 R)
• M85: 59,125,716 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.4

Radius: 6.8

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 15.08 AU - 20 AU

Year: 26184 Days

Day: 19.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 79,532,591 km

• M1: 121,473 km (0.078 R)
• M2: 560,842 km (0.055 R)
• M3: 604,824 km (0.085 R)
• M4: 972,835 km (0.063 R)
• M5: 1,165,667 km (0.066 R)
• M6: 1,340,846 km (0.119 R)
• M7: 1,848,730 km (0.11 R)
• M8: 2,123,243 km (0.103 R)
• M9: 2,787,756 km (0.066 R)
• M10: 3,680,257 km (0.096 R)
• M11: 5,169,205 km (0.025 R)
• M12: 5,850,922 km (0.109 R)
• M13: 6,560,764 km (0.12 R)
• M14: 6,925,783 km (0.108 R)
• M15: 8,677,125 km (0.086 R)
• M16: 9,660,133 km (0.079 R)
• M17: 9,719,074 km (0.107 R)
• M18: 9,778,166 km (0.099 R)
• M19: 11,230,761 km (0.06 R)
• M20: 11,479,393 km (0.032 R)
• M21: 11,729,819 km (0.102 R)
• M22: 12,556,198 km (0.1 R)
• M23: 14,466,264 km (0.11 R)
• M24: 15,558,179 km (0.092 R)
• M25: 15,765,820 km (0.087 R)
• M26: 16,184,096 km (0.025 R)
• M27: 16,889,001 km (0.069 R)
• M28: 17,316,851 km (0.091 R)
• M29: 19,957,852 km (0.065 R)
• M30: 20,183,446 km (0.116 R)
• M31: 20,713,471 km (0.089 R)
• M32: 21,018,202 km (0.082 R)
• M33: 22,019,311 km (0.11 R)
• M34: 22,174,593 km (0.111 R)
• M35: 22,252,534 km (0.094 R)
• M36: 22,486,505 km (0.117 R)
• M37: 22,878,451 km (0.111 R)
• M38: 23,114,517 km (0.091 R)
• M39: 24,871,394 km (0.08 R)
• M40: 25,114,191 km (0.084 R)
• M41: 25,439,268 km (0.072 R)
• M42: 27,002,266 km (0.086 R)
• M43: 27,085,293 km (0.117 R)
• M44: 29,190,883 km (0.101 R)
• M45: 29,276,303 km (0.09 R)
• M46: 29,447,144 km (0.109 R)
• M47: 30,392,902 km (0.11 R)
• M48: 31,348,533 km (0.061 R)
• M49: 32,756,249 km (0.113 R)
• M50: 33,289,416 km (0.091 R)
• M51: 35,723,822 km (0.068 R)
• M52: 36,272,697 km (0.085 R)
• M53: 36,732,112 km (0.094 R)
• M54: 36,824,264 km (0.103 R)
• M55: 38,215,225 km (0.08 R)
• M56: 39,246,104 km (0.108 R)
• M57: 40,096,418 km (0.079 R)
• M58: 43,752,889 km (0.081 R)
• M59: 46,813,811 km (0.063 R)
• M60: 47,414,148 km (0.114 R)
• M61: 48,926,283 km (0.074 R)
• M62: 50,249,476 km (0.063 R)
• M63: 51,997,527 km (0.103 R)
• M64: 55,552,870 km (0.062 R)
• M65: 55,764,551 km (0.084 R)
• M66: 56,932,910 km (0.114 R)
• M67: 57,573,638 km (0.039 R)
• M68: 61,358,614 km (0.089 R)
• M69: 62,564,821 km (0.071 R)
• M70: 66,678,613 km (0.093 R)
• M71: 67,805,384 km (0.114 R)
• M72: 68,371,164 km (0.116 R)
• M73: 68,484,559 km (0.118 R)
• M74: 72,721,769 km (0.09 R)
• M75: 76,101,783 km (0.101 R)
• M76: 76,219,218 km (0.101 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 11,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit