🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.61 AU - 0.83 AU

Year: 228 Days

Day: 32.8 Hours

Environment

Temp: 112 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,629,839 km

• M1: 282,441 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.75 AU - 0.79 AU

Year: 252 Days

Day: 25.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.79 AU - 0.83 AU

Year: 272 Days

Day: 17.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.84 AU - 0.9 AU

Year: 303 Days

Day: 14.1 Hours

Environment

Temp: 115 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,629,839 km

• M1: 131,497 km (0.034 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.92 AU - 1.2 AU

Year: 407 Days

Day: 28.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 42.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 96,629,839 km

• M1: 133,292 km (0.116 R)
• M2: 182,659 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.39 AU - 1.89 AU

Year: 783 Days

Day: 40.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,629,839 km

• M1: 327,021 km (0.111 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.93 AU - 3.75 AU

Year: 2275 Days

Day: 18.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,629,839 km

• M1: 1,871,170 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 12.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.85 AU - 5.63 AU

Year: 3847 Days

Day: 12.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 96,629,839 km

• M1: 165,904 km (0.028 R)
• M2: 298,298 km (0.07 R)
• M3: 478,713 km (0.111 R)
• M4: 649,554 km (0.097 R)
• M5: 748,289 km (0.066 R)
• M6: 922,271 km (0.064 R)
• M7: 1,014,573 km (0.099 R)
• M8: 1,370,316 km (0.105 R)
• M9: 1,501,813 km (0.112 R)
• M10: 1,688,212 km (0.088 R)
• M11: 1,895,704 km (0.12 R)
• M12: 2,672,566 km (0.072 R)
• M13: 2,823,809 km (0.095 R)
• M14: 3,310,900 km (0.032 R)
• M15: 3,473,812 km (0.074 R)
• M16: 3,556,241 km (0.111 R)
• M17: 3,824,619 km (0.089 R)
• M18: 3,943,998 km (0.111 R)
• M19: 4,116,933 km (0.076 R)
• M20: 4,578,443 km (0.097 R)
• M21: 4,669,099 km (0.106 R)
• M22: 4,833,806 km (0.118 R)
• M23: 4,926,258 km (0.104 R)
• M24: 5,131,506 km (0.082 R)
• M25: 5,282,750 km (0.118 R)
• M26: 5,570,127 km (0.112 R)
• M27: 5,764,604 km (0.06 R)
• M28: 5,842,994 km (0.105 R)
• M29: 6,100,452 km (0.116 R)
• M30: 6,200,383 km (0.119 R)
• M31: 6,936,704 km (0.095 R)
• M32: 7,020,179 km (0.086 R)
• M33: 7,293,943 km (0.119 R)
• M34: 7,549,905 km (0.087 R)
• M35: 7,743,784 km (0.036 R)
• M36: 8,026,823 km (0.098 R)
• M37: 8,158,619 km (0.078 R)
• M38: 8,424,305 km (0.082 R)
• M39: 8,647,954 km (0.099 R)
• M40: 8,783,041 km (0.071 R)
• M41: 9,725,358 km (0.033 R)
• M42: 9,842,343 km (0.055 R)
• M43: 11,333,535 km (0.116 R)
• M44: 11,655,021 km (0.106 R)
• M45: 11,754,653 km (0.101 R)
• M46: 11,954,515 km (0.056 R)
• M47: 12,180,857 km (0.059 R)
• M48: 12,612,297 km (0.094 R)
• M49: 12,971,332 km (0.043 R)
• M50: 14,015,675 km (0.051 R)
• M51: 14,628,428 km (0.071 R)
• M52: 14,951,559 km (0.104 R)
• M53: 16,295,696 km (0.106 R)
• M54: 16,379,172 km (0.107 R)
• M55: 16,602,671 km (0.101 R)
• M56: 16,770,968 km (0.101 R)
• M57: 16,939,864 km (0.083 R)
• M58: 17,735,276 km (0.091 R)
• M59: 18,282,057 km (0.043 R)
• M60: 18,717,686 km (0.062 R)
• M61: 18,834,372 km (0.116 R)
• M62: 19,510,405 km (0.075 R)
• M63: 19,866,148 km (0.051 R)
• M64: 20,044,918 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.5

Radius: 6.4

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 15.98 AU - 19.78 AU

Year: 28184 Days

Day: 18.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 96,629,839 km

• M1: 940,522 km (0.056 R)
• M2: 1,159,084 km (0.071 R)
• M3: 1,867,729 km (0.059 R)
• M4: 2,062,655 km (0.107 R)
• M5: 2,514,591 km (0.106 R)
• M6: 2,557,226 km (0.072 R)
• M7: 4,922,069 km (0.074 R)
• M8: 5,355,454 km (0.103 R)
• M9: 5,465,857 km (0.055 R)
• M10: 6,316,770 km (0.108 R)
• M11: 6,787,405 km (0.114 R)
• M12: 7,576,085 km (0.081 R)
• M13: 7,638,018 km (0.108 R)
• M14: 8,075,742 km (0.117 R)
• M15: 8,139,022 km (0.102 R)
• M16: 8,202,451 km (0.116 R)
• M17: 8,586,170 km (0.116 R)
• M18: 10,452,852 km (0.08 R)
• M19: 10,868,734 km (0.104 R)
• M20: 12,293,504 km (0.116 R)
• M21: 13,101,931 km (0.1 R)
• M22: 13,176,281 km (0.092 R)
• M23: 13,250,631 km (0.109 R)
• M24: 13,549,977 km (0.084 R)
• M25: 14,308,139 km (0.102 R)
• M26: 15,314,035 km (0.119 R)
• M27: 16,262,785 km (0.106 R)
• M28: 17,311,914 km (0.075 R)
• M29: 18,465,912 km (0.084 R)
• M30: 18,800,264 km (0.064 R)
• M31: 19,052,186 km (0.085 R)
• M32: 20,157,266 km (0.096 R)
• M33: 22,964,620 km (0.033 R)
• M34: 23,866,695 km (0.088 R)
• M35: 24,413,475 km (0.096 R)
• M36: 24,688,436 km (0.087 R)
• M37: 26,735,982 km (0.097 R)
• M38: 28,259,038 km (0.098 R)
• M39: 29,517,006 km (0.047 R)
• M40: 31,090,327 km (0.046 R)
• M41: 31,887,235 km (0.082 R)
• M42: 33,602,674 km (0.116 R)
• M43: 33,704,550 km (0.108 R)
• M44: 33,908,452 km (0.047 R)
• M45: 36,912,227 km (0.11 R)
• M46: 37,122,412 km (0.114 R)
• M47: 38,073,556 km (0.093 R)
• M48: 38,285,985 km (0.108 R)
• M49: 40,215,797 km (0.11 R)
• M50: 42,177,025 km (0.069 R)
• M51: 42,727,246 km (0.064 R)
• M52: 42,837,649 km (0.106 R)
• M53: 44,504,170 km (0.1 R)
• M54: 44,727,968 km (0.093 R)
• M55: 47,671,157 km (0.056 R)
• M56: 50,559,742 km (0.064 R)
• M57: 51,261,356 km (0.114 R)
• M58: 54,817,597 km (0.084 R)
• M59: 55,418,082 km (0.058 R)
• M60: 57,232,405 km (0.119 R)
• M61: 57,597,574 km (0.111 R)
• M62: 57,963,490 km (0.104 R)
• M63: 60,794,779 km (0.079 R)
• M64: 60,918,946 km (0.12 R)
• M65: 61,043,112 km (0.066 R)
• M66: 61,540,824 km (0.116 R)
• M67: 63,419,025 km (0.094 R)
• M68: 66,079,923 km (0.112 R)
• M69: 66,207,530 km (0.097 R)
• M70: 67,616,742 km (0.105 R)
• M71: 71,248,230 km (0.112 R)
• M72: 71,510,026 km (0.113 R)
• M73: 72,034,666 km (0.118 R)
• M74: 72,823,944 km (0.113 R)
• M75: 73,351,576 km (0.067 R)
• M76: 74,013,098 km (0.096 R)
• M77: 74,145,641 km (0.062 R)
• M78: 74,942,549 km (0.057 R)
• M79: 75,075,691 km (0.118 R)
• M80: 75,742,300 km (0.078 R)
• M81: 75,875,890 km (0.095 R)
• M82: 79,240,347 km (0.108 R)
• M83: 79,783,088 km (0.114 R)
• M84: 82,103,799 km (0.102 R)
• M85: 83,479,202 km (0.078 R)
• M86: 84,031,518 km (0.109 R)
• M87: 84,169,896 km (0.069 R)
• M88: 84,862,384 km (0.119 R)
• M89: 85,834,920 km (0.069 R)
• M90: 86,113,471 km (0.097 R)
• M91: 86,392,471 km (0.04 R)
• M92: 87,370,841 km (0.063 R)
• M93: 88,774,967 km (0.081 R)
• M94: 91,037,036 km (0.091 R)
• M95: 92,746,042 km (0.044 R)
• M96: 94,034,678 km (0.117 R)
• M97: 95,906,597 km (0.113 R)
• M98: 96,485,091 km (0.052 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 10,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit