🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 134 Days

Day: 24.9 Hours

Environment

Temp: 261 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 95,072,184 km

• M1: 283,488 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.67 AU

Year: 146 Days

Day: 39.9 Hours

Environment

Temp: 249 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 95,072,184 km

• M1: 108,608 km (0.119 R)
• M2: 316,998 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.54 AU - 0.84 AU

Year: 210 Days

Day: 46 Hours

Environment

Temp: 111 °C

Axial Tilt: 42.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.21 AU - 1.87 AU

Year: 702 Days

Day: 31.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 95,072,184 km

• M1: 520,002 km (0.092 R)
• M2: 566,527 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.76 AU - 2.54 AU

Year: 1157 Days

Day: 18 Hours

Environment

Temp: -67 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.66 AU - 2.68 AU

Year: 1173 Days

Day: 22.5 Hours

Environment

Temp: -80 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.6 AU - 3.42 AU

Year: 1917 Days

Day: 17.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.65 AU - 3.77 AU

Year: 2623 Days

Day: 15.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.46 AU - 4.4 AU

Year: 2860 Days

Day: 33.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.6

Radius: 3.6

Gravity: 60.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 13.17 AU - 21.17 AU

Year: 26117 Days

Day: 20.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 145.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 95,072,184 km

• M1: 60,438 km (0.089 R)
• M2: 255,364 km (0.073 R)
• M3: 804,986 km (0.082 R)
• M4: 1,171,651 km (0.11 R)
• M5: 1,880,595 km (0.054 R)
• M6: 2,154,808 km (0.081 R)
• M7: 2,399,699 km (0.103 R)
• M8: 3,095,030 km (0.105 R)
• M9: 3,464,537 km (0.027 R)
• M10: 5,183,417 km (0.115 R)
• M11: 5,237,421 km (0.094 R)
• M12: 6,355,965 km (0.094 R)
• M13: 6,941,940 km (0.118 R)
• M14: 7,852,841 km (0.099 R)
• M15: 7,914,924 km (0.058 R)
• M16: 8,544,282 km (0.11 R)
• M17: 9,917,441 km (0.027 R)
• M18: 10,186,717 km (0.089 R)
• M19: 10,595,120 km (0.104 R)
• M20: 11,427,781 km (0.07 R)
• M21: 12,425,599 km (0.119 R)
• M22: 13,302,691 km (0.113 R)
• M23: 14,655,505 km (0.112 R)
• M24: 14,962,031 km (0.112 R)
• M25: 15,038,924 km (0.06 R)
• M26: 15,425,784 km (0.105 R)
• M27: 15,737,546 km (0.114 R)
• M28: 18,884,188 km (0.119 R)
• M29: 19,134,016 km (0.077 R)
• M30: 20,485,184 km (0.068 R)
• M31: 20,656,324 km (0.062 R)
• M32: 20,742,044 km (0.079 R)
• M33: 20,827,764 km (0.111 R)
• M34: 21,518,607 km (0.116 R)
• M35: 21,954,236 km (0.036 R)
• M36: 22,041,601 km (0.099 R)
• M37: 23,456,797 km (0.108 R)
• M38: 23,725,325 km (0.092 R)
• M39: 24,084,958 km (0.062 R)
• M40: 24,446,536 km (0.076 R)
• M41: 26,002,803 km (0.088 R)
• M42: 26,839,653 km (0.1 R)
• M43: 27,685,330 km (0.117 R)
• M44: 28,539,534 km (0.063 R)
• M45: 28,730,570 km (0.054 R)
• M46: 28,826,313 km (0.096 R)
• M47: 31,646,532 km (0.086 R)
• M48: 31,745,267 km (0.072 R)
• M49: 32,141,551 km (0.053 R)
• M50: 32,340,367 km (0.101 R)
• M51: 32,739,045 km (0.06 R)
• M52: 33,039,139 km (0.038 R)
• M53: 34,147,210 km (0.061 R)
• M54: 35,165,223 km (0.053 R)
• M55: 36,814,540 km (0.091 R)
• M56: 42,563,736 km (0.077 R)
• M57: 42,781,999 km (0.075 R)
• M58: 43,768,597 km (0.091 R)
• M59: 46,998,415 km (0.05 R)
• M60: 48,016,279 km (0.077 R)
• M61: 48,812,888 km (0.105 R)
• M62: 48,927,031 km (0.038 R)
• M63: 49,613,984 km (0.076 R)
• M64: 50,073,549 km (0.08 R)
• M65: 51,577,307 km (0.036 R)
• M66: 52,043,005 km (0.118 R)
• M67: 54,391,991 km (0.076 R)
• M68: 54,984,697 km (0.107 R)
• M69: 58,585,369 km (0.106 R)
• M70: 58,949,490 km (0.075 R)
• M71: 61,396,911 km (0.114 R)
• M72: 63,005,387 km (0.104 R)
• M73: 63,254,168 km (0.055 R)
• M74: 64,878,502 km (0.071 R)
• M75: 65,632,924 km (0.097 R)
• M76: 67,531,471 km (0.049 R)
• M77: 68,679,335 km (0.076 R)
• M78: 68,935,297 km (0.064 R)
• M79: 69,704,978 km (0.111 R)
• M80: 70,994,213 km (0.102 R)
• M81: 72,161,076 km (0.086 R)
• M82: 73,203,773 km (0.101 R)
• M83: 73,596,019 km (0.116 R)
• M84: 74,514,101 km (0.106 R)
• M85: 74,645,598 km (0.108 R)
• M86: 78,758,791 km (0.079 R)
• M87: 82,672,570 km (0.029 R)
• M88: 83,626,855 km (0.097 R)
• M89: 86,097,165 km (0.049 R)
• M90: 87,202,693 km (0.108 R)
• M91: 89,707,410 km (0.115 R)
• M92: 94,076,117 km (0.115 R)
• M93: 94,218,235 km (0.093 R)
• M94: 94,787,305 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 10,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit