🌌 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: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.47 AU - 0.69 AU

Year: 162 Days

Day: 40 Hours

Environment

Temp: 168 °C

Axial Tilt: 42.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,755,523 km

• M1: 498,610 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.72 AU - 1.18 AU

Year: 340 Days

Day: 28.8 Hours

Environment

Temp: 37 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,755,523 km

• M1: 19,897 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.3 AU - 1.32 AU

Year: 550 Days

Day: 45.9 Hours

Environment

Temp: -18 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,755,523 km

• M1: 847,023 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.44 AU - 1.5 AU

Year: 654 Days

Day: 23.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 117.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.46 AU - 1.98 AU

Year: 828 Days

Day: 36.1 Hours

Environment

Temp: -58 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.72 AU - 2.42 AU

Year: 1093 Days

Day: 20.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.9

Radius: 4.6

Gravity: 31.85 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 17.27 AU - 19.43 AU

Year: 28855 Days

Day: 23.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 66,755,523 km

• M1: 65,823 km (0.038 R)
• M2: 168,597 km (0.11 R)
• M3: 744,549 km (0.113 R)
• M4: 829,670 km (0.074 R)
• M5: 1,476,381 km (0.102 R)
• M6: 1,548,039 km (0.109 R)
• M7: 1,961,826 km (0.087 R)
• M8: 2,080,458 km (0.045 R)
• M9: 2,974,604 km (0.102 R)
• M10: 3,110,888 km (0.114 R)
• M11: 3,725,286 km (0.086 R)
• M12: 4,688,397 km (0.093 R)
• M13: 4,847,121 km (0.03 R)
• M14: 5,723,465 km (0.111 R)
• M15: 6,353,721 km (0.071 R)
• M16: 7,370,388 km (0.109 R)
• M17: 7,554,992 km (0.108 R)
• M18: 7,866,155 km (0.052 R)
• M19: 9,151,799 km (0.117 R)
• M20: 9,953,943 km (0.093 R)
• M21: 10,089,928 km (0.082 R)
• M22: 10,987,964 km (0.107 R)
• M23: 11,269,507 km (0.11 R)
• M24: 11,911,431 km (0.107 R)
• M25: 13,680,576 km (0.115 R)
• M26: 16,483,441 km (0.052 R)
• M27: 18,446,764 km (0.12 R)
• M28: 19,117,411 km (0.106 R)
• M29: 19,710,866 km (0.025 R)
• M30: 19,881,557 km (0.07 R)
• M31: 20,224,286 km (0.117 R)
• M32: 20,482,641 km (0.096 R)
• M33: 22,232,787 km (0.102 R)
• M34: 22,321,648 km (0.093 R)
• M35: 23,848,444 km (0.074 R)
• M36: 24,946,492 km (0.1 R)
• M37: 25,687,600 km (0.066 R)
• M38: 25,780,650 km (0.08 R)
• M39: 26,718,329 km (0.117 R)
• M40: 28,049,601 km (0.07 R)
• M41: 28,433,918 km (0.108 R)
• M42: 29,402,414 km (0.097 R)
• M43: 29,597,340 km (0.119 R)
• M44: 30,776,321 km (0.108 R)
• M45: 33,179,761 km (0.04 R)
• M46: 33,484,342 km (0.079 R)
• M47: 34,403,920 km (0.093 R)
• M48: 34,506,544 km (0.073 R)
• M49: 36,791,203 km (0.099 R)
• M50: 37,001,238 km (0.114 R)
• M51: 38,057,848 km (0.107 R)
• M52: 38,483,155 km (0.115 R)
• M53: 39,445,967 km (0.07 R)
• M54: 40,200,389 km (0.093 R)
• M55: 40,742,082 km (0.061 R)
• M56: 42,822,690 km (0.076 R)
• M57: 46,064,176 km (0.104 R)
• M58: 49,615,480 km (0.039 R)
• M59: 50,429,442 km (0.106 R)
• M60: 50,662,815 km (0.096 R)
• M61: 50,896,636 km (0.049 R)
• M62: 51,952,947 km (0.059 R)
• M63: 52,306,596 km (0.105 R)
• M64: 52,779,475 km (0.119 R)
• M65: 53,491,411 km (0.117 R)
• M66: 55,164,813 km (0.081 R)
• M67: 56,249,697 km (0.067 R)
• M68: 56,976,892 km (0.111 R)
• M69: 58,931,089 km (0.114 R)
• M70: 59,053,909 km (0.105 R)
• M71: 59,916,341 km (0.037 R)
• M72: 60,907,127 km (0.052 R)
• M73: 61,653,770 km (0.089 R)
• M74: 62,028,214 km (0.118 R)
• M75: 63,030,370 km (0.092 R)
• M76: 63,659,579 km (0.08 R)
• M77: 63,911,801 km (0.1 R)
• M78: 65,813,938 km (0.078 R)
• M79: 67,606,120 km (0.035 R)
• M80: 68,249,989 km (0.079 R)
• M81: 68,508,195 km (0.085 R)
• M82: 76,803,996 km (0.107 R)
• M83: 77,072,524 km (0.032 R)
• M84: 77,610,328 km (0.091 R)
• M85: 79,096,134 km (0.091 R)
• M86: 79,231,670 km (0.091 R)
• M87: 80,046,529 km (0.101 R)
• M88: 80,727,649 km (0.103 R)
• M89: 80,864,082 km (0.064 R)
• M90: 82,507,564 km (0.1 R)
• M91: 82,645,044 km (0.119 R)
• M92: 84,023,888 km (0.111 R)
• M93: 85,688,314 km (0.053 R)
• M94: 85,827,590 km (0.082 R)
• M95: 86,804,015 km (0.116 R)
• M96: 87,924,503 km (0.042 R)
• M97: 92,168,894 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.7

Radius: 7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 15.49 AU - 21.75 AU

Year: 29495 Days

Day: 17 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 66,755,523 km

• M1: 289,921 km (0.115 R)
• M2: 970,591 km (0.09 R)
• M3: 1,511,537 km (0.069 R)
• M4: 1,652,458 km (0.077 R)
• M5: 2,323,105 km (0.108 R)
• M6: 2,486,167 km (0.073 R)
• M7: 2,962,935 km (0.057 R)
• M8: 4,925,959 km (0.118 R)
• M9: 5,263,451 km (0.108 R)
• M10: 5,521,508 km (0.061 R)
• M11: 5,739,771 km (0.111 R)
• M12: 6,050,037 km (0.066 R)
• M13: 6,094,767 km (0.088 R)
• M14: 7,249,812 km (0.109 R)
• M15: 7,537,040 km (0.075 R)
• M16: 9,911,906 km (0.106 R)
• M17: 11,261,578 km (0.117 R)
• M18: 12,782,988 km (0.043 R)
• M19: 13,832,567 km (0.096 R)
• M20: 15,274,391 km (0.119 R)
• M21: 15,335,577 km (0.084 R)
• M22: 15,519,433 km (0.048 R)
• M23: 15,827,455 km (0.104 R)
• M24: 18,820,011 km (0.07 R)
• M25: 20,078,129 km (0.115 R)
• M26: 21,912,348 km (0.052 R)
• M27: 25,014,110 km (0.118 R)
• M28: 26,395,348 km (0.064 R)
• M29: 26,468,800 km (0.097 R)
• M30: 26,689,307 km (0.054 R)
• M31: 27,132,267 km (0.106 R)
• M32: 27,428,919 km (0.106 R)
• M33: 28,626,301 km (0.107 R)
• M34: 30,454,087 km (0.105 R)
• M35: 30,685,216 km (0.107 R)
• M36: 31,771,596 km (0.115 R)
• M37: 32,319,423 km (0.082 R)
• M38: 32,476,501 km (0.112 R)
• M39: 32,949,380 km (0.095 R)
• M40: 33,583,226 km (0.073 R)
• M41: 33,981,605 km (0.069 R)
• M42: 34,541,849 km (0.058 R)
• M43: 37,059,282 km (0.05 R)
• M44: 37,470,826 km (0.076 R)
• M45: 37,801,288 km (0.107 R)
• M46: 39,719,431 km (0.093 R)
• M47: 40,309,445 km (0.076 R)
• M48: 40,478,491 km (0.084 R)
• M49: 43,216,431 km (0.114 R)
• M50: 43,997,183 km (0.096 R)
• M51: 44,258,380 km (0.115 R)
• M52: 45,484,485 km (0.098 R)
• M53: 47,612,365 km (0.11 R)
• M54: 49,681,752 km (0.105 R)
• M55: 53,257,291 km (0.072 R)
• M56: 53,814,692 km (0.03 R)
• M57: 55,686,611 km (0.06 R)
• M58: 57,294,488 km (0.044 R)
• M59: 57,770,210 km (0.092 R)
• M60: 57,865,504 km (0.073 R)
• M61: 59,397,685 km (0.098 R)
• M62: 59,782,899 km (0.092 R)
• M63: 60,072,222 km (0.035 R)
• M64: 62,404,153 km (0.04 R)
• M65: 62,893,638 km (0.051 R)
• M66: 65,559,172 km (0.101 R)
• M67: 66,555,644 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 18,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit