🌌 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: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.5 AU - 0.52 AU

Year: 129 Days

Day: 23 Hours

Environment

Temp: 198 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.83 AU - 0.85 AU

Year: 272 Days

Day: 14.2 Hours

Environment

Temp: 130 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.33 AU - 1.81 AU

Year: 695 Days

Day: 45.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,772,385 km

• M1: 664,364 km (0.069 R)
• M2: 908,508 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.51 AU - 3.51 AU

Year: 1844 Days

Day: 41.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.58 AU - 5.24 AU

Year: 3270 Days

Day: 27.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.8 AU - 5.34 AU

Year: 3450 Days

Day: 15.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,772,385 km

• M1: 39,195 km (0.107 R)
• M2: 477,367 km (0.106 R)

Asteroid Belt

Center: 9.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.7

Radius: 7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 12.54 AU - 17.18 AU

Year: 20227 Days

Day: 17.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 65,772,385 km

• M1: 297,101 km (0.108 R)
• M2: 626,516 km (0.099 R)
• M3: 709,393 km (0.101 R)
• M4: 810,970 km (0.085 R)
• M5: 1,230,293 km (0.086 R)
• M6: 1,371,663 km (0.052 R)
• M7: 1,612,665 km (0.117 R)
• M8: 2,960,243 km (0.072 R)
• M9: 3,031,152 km (0.056 R)
• M10: 3,150,681 km (0.041 R)
• M11: 3,394,376 km (0.073 R)
• M12: 3,443,893 km (0.085 R)
• M13: 3,593,790 km (0.088 R)
• M14: 3,644,354 km (0.103 R)
• M15: 4,565,129 km (0.106 R)
• M16: 4,980,861 km (0.097 R)
• M17: 5,937,839 km (0.044 R)
• M18: 6,981,583 km (0.117 R)
• M19: 7,235,301 km (0.092 R)
• M20: 7,686,638 km (0.115 R)
• M21: 8,047,767 km (0.095 R)
• M22: 9,025,988 km (0.095 R)
• M23: 10,220,078 km (0.095 R)
• M24: 10,653,313 km (0.092 R)
• M25: 11,240,186 km (0.1 R)
• M26: 13,968,701 km (0.063 R)
• M27: 14,449,210 km (0.101 R)
• M28: 15,303,114 km (0.115 R)
• M29: 15,674,117 km (0.034 R)
• M30: 15,798,433 km (0.1 R)
• M31: 17,615,897 km (0.082 R)
• M32: 17,831,468 km (0.026 R)
• M33: 18,265,302 km (0.08 R)
• M34: 18,396,200 km (0.1 R)
• M35: 18,790,540 km (0.117 R)
• M36: 19,676,907 km (0.113 R)
• M37: 20,395,725 km (0.097 R)
• M38: 21,674,188 km (0.066 R)
• M39: 21,720,414 km (0.118 R)
• M40: 22,884,585 km (0.061 R)
• M41: 22,931,558 km (0.11 R)
• M42: 23,261,422 km (0.105 R)
• M43: 24,068,951 km (0.099 R)
• M44: 24,164,544 km (0.108 R)
• M45: 24,260,287 km (0.059 R)
• M46: 25,030,716 km (0.079 R)
• M47: 25,516,310 km (0.06 R)
• M48: 26,152,251 km (0.054 R)
• M49: 27,489,506 km (0.096 R)
• M50: 29,052,355 km (0.107 R)
• M51: 29,256,108 km (0.098 R)
• M52: 29,307,120 km (0.105 R)
• M53: 29,358,133 km (0.069 R)
• M54: 29,767,433 km (0.062 R)
• M55: 31,319,511 km (0.105 R)
• M56: 32,315,833 km (0.108 R)
• M57: 35,258,423 km (0.04 R)
• M58: 35,693,603 km (0.065 R)
• M59: 35,966,470 km (0.098 R)
• M60: 36,789,108 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.6

Radius: 7.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 17.06 AU - 18.22 AU

Year: 26161 Days

Day: 21.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 65,772,385 km

• M1: 150,645 km (0.049 R)
• M2: 280,346 km (0.067 R)
• M3: 418,874 km (0.11 R)
• M4: 488,287 km (0.113 R)
• M5: 581,038 km (0.053 R)
• M6: 639,830 km (0.106 R)
• M7: 1,133,054 km (0.112 R)
• M8: 1,259,165 km (0.098 R)
• M9: 1,416,692 km (0.107 R)
• M10: 1,809,087 km (0.078 R)
• M11: 1,927,269 km (0.069 R)
• M12: 2,140,297 km (0.082 R)
• M13: 2,361,103 km (0.094 R)
• M14: 3,720,948 km (0.051 R)
• M15: 4,141,318 km (0.102 R)
• M16: 4,536,555 km (0.11 R)
• M17: 4,902,621 km (0.118 R)
• M18: 5,320,598 km (0.116 R)
• M19: 6,146,079 km (0.048 R)
• M20: 6,641,996 km (0.092 R)
• M21: 7,197,752 km (0.062 R)
• M22: 7,961,898 km (0.119 R)
• M23: 8,108,055 km (0.112 R)
• M24: 8,304,178 km (0.089 R)
• M25: 9,054,112 km (0.072 R)
• M26: 10,192,701 km (0.072 R)
• M27: 10,724,971 km (0.057 R)
• M28: 10,886,536 km (0.088 R)
• M29: 10,994,546 km (0.054 R)
• M30: 11,540,429 km (0.114 R)
• M31: 11,872,237 km (0.116 R)
• M32: 12,039,188 km (0.119 R)
• M33: 12,151,087 km (0.117 R)
• M34: 12,658,523 km (0.098 R)
• M35: 13,693,890 km (0.048 R)
• M36: 16,213,866 km (0.08 R)
• M37: 16,959,761 km (0.047 R)
• M38: 19,067,745 km (0.099 R)
• M39: 19,198,194 km (0.085 R)
• M40: 19,459,841 km (0.11 R)
• M41: 21,054,704 km (0.092 R)
• M42: 21,122,023 km (0.104 R)
• M43: 23,454,553 km (0.054 R)
• M44: 23,664,289 km (0.108 R)
• M45: 25,006,930 km (0.098 R)
• M46: 25,651,547 km (0.089 R)
• M47: 26,374,105 km (0.114 R)
• M48: 26,665,072 km (0.087 R)
• M49: 28,135,470 km (0.091 R)
• M50: 29,707,744 km (0.07 R)
• M51: 30,010,380 km (0.072 R)
• M52: 30,924,573 km (0.095 R)
• M53: 33,249,772 km (0.075 R)
• M54: 37,166,843 km (0.063 R)
• M55: 37,329,755 km (0.098 R)
• M56: 38,066,076 km (0.065 R)
• M57: 39,220,822 km (0.055 R)
• M58: 39,969,260 km (0.085 R)
• M59: 40,387,087 km (0.104 R)
• M60: 41,227,079 km (0.097 R)
• M61: 41,564,721 km (0.107 R)
• M62: 42,072,756 km (0.106 R)
• M63: 42,583,034 km (0.059 R)
• M64: 43,352,117 km (0.115 R)
• M65: 43,609,574 km (0.045 R)
• M66: 43,781,462 km (0.105 R)
• M67: 43,867,481 km (0.096 R)
• M68: 50,117,381 km (0.084 R)
• M69: 50,297,347 km (0.086 R)
• M70: 51,110,262 km (0.116 R)
• M71: 53,023,768 km (0.118 R)
• M72: 53,299,029 km (0.119 R)
• M73: 54,035,499 km (0.066 R)
• M74: 54,312,405 km (0.077 R)
• M75: 54,589,909 km (0.076 R)
• M76: 55,425,263 km (0.096 R)
• M77: 56,545,452 km (0.085 R)
• M78: 57,579,024 km (0.073 R)
• M79: 58,998,408 km (0.09 R)
• M80: 59,378,836 km (0.119 R)
• M81: 60,046,491 km (0.085 R)
• M82: 61,871,435 km (0.099 R)
• M83: 62,451,426 km (0.108 R)
• M84: 62,645,156 km (0.113 R)
• M85: 65,182,186 km (0.049 R)
• M86: 65,477,043 km (0.037 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 13,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit