🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.82 AU - 1.16 AU

Year: 360 Days

Day: 39 Hours

Environment

Temp: 24 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.44 AU - 2.16 AU

Year: 882 Days

Day: 32.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.63 AU - 2.23 AU

Year: 979 Days

Day: 18.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.65 AU - 3.67 AU

Year: 2052 Days

Day: 24.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,448,465 km

• M1: 140,024 km (0.117 R)
• M2: 1,747,902 km (0.066 R)

Asteroid Belt

Center: 5.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 12.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.79 AU - 10.39 AU

Year: 9196 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 61,448,465 km

• M1: 173,384 km (0.094 R)
• M2: 289,023 km (0.069 R)
• M3: 547,977 km (0.072 R)
• M4: 661,971 km (0.119 R)
• M5: 1,239,568 km (0.101 R)
• M6: 2,111,873 km (0.095 R)
• M7: 2,195,498 km (0.115 R)
• M8: 2,585,949 km (0.077 R)
• M9: 3,069,449 km (0.099 R)
• M10: 3,285,468 km (0.06 R)
• M11: 3,606,356 km (0.03 R)
• M12: 3,732,616 km (0.091 R)
• M13: 4,094,045 km (0.102 R)
• M14: 4,199,362 km (0.066 R)
• M15: 4,548,074 km (0.082 R)
• M16: 4,712,333 km (0.118 R)
• M17: 4,822,886 km (0.074 R)
• M18: 5,302,497 km (0.108 R)
• M19: 5,709,104 km (0.046 R)
• M20: 5,856,757 km (0.025 R)
• M21: 6,035,825 km (0.096 R)
• M22: 6,186,321 km (0.109 R)
• M23: 6,368,531 km (0.1 R)
• M24: 6,863,401 km (0.1 R)
• M25: 7,694,118 km (0.075 R)
• M26: 8,154,580 km (0.051 R)
• M27: 8,590,209 km (0.092 R)
• M28: 8,828,070 km (0.066 R)
• M29: 9,484,355 km (0.111 R)
• M30: 10,085,140 km (0.062 R)
• M31: 10,625,338 km (0.075 R)
• M32: 10,844,200 km (0.099 R)
• M33: 11,064,408 km (0.119 R)
• M34: 11,546,861 km (0.061 R)
• M35: 12,036,046 km (0.113 R)
• M36: 12,302,480 km (0.12 R)
• M37: 12,455,519 km (0.119 R)
• M38: 13,465,753 km (0.085 R)
• M39: 13,623,429 km (0.117 R)
• M40: 14,623,491 km (0.096 R)
• M41: 14,867,036 km (0.1 R)
• M42: 15,317,027 km (0.032 R)
• M43: 15,399,306 km (0.12 R)
• M44: 15,523,023 km (0.076 R)
• M45: 16,146,547 km (0.109 R)
• M46: 16,398,320 km (0.105 R)
• M47: 16,566,917 km (0.102 R)
• M48: 16,863,270 km (0.025 R)
• M49: 18,766,155 km (0.106 R)
• M50: 19,252,498 km (0.045 R)
• M51: 20,327,957 km (0.078 R)
• M52: 20,463,642 km (0.097 R)
• M53: 20,736,210 km (0.113 R)
• M54: 20,964,197 km (0.045 R)
• M55: 21,193,082 km (0.118 R)
• M56: 22,023,948 km (0.077 R)
• M57: 22,396,596 km (0.104 R)
• M58: 22,583,743 km (0.063 R)
• M59: 25,354,894 km (0.089 R)
• M60: 25,745,494 km (0.058 R)
• M61: 25,941,468 km (0.102 R)
• M62: 26,088,821 km (0.091 R)
• M63: 26,780,263 km (0.086 R)
• M64: 27,427,722 km (0.034 R)
• M65: 27,577,919 km (0.109 R)
• M66: 28,433,768 km (0.099 R)
• M67: 28,738,050 km (0.056 R)
• M68: 29,605,718 km (0.085 R)
• M69: 29,811,265 km (0.12 R)
• M70: 29,965,650 km (0.05 R)
• M71: 30,689,554 km (0.089 R)
• M72: 31,053,825 km (0.116 R)
• M73: 31,681,388 km (0.1 R)
• M74: 31,838,915 km (0.104 R)
• M75: 33,696,322 km (0.079 R)
• M76: 34,179,673 km (0.056 R)
• M77: 34,395,243 km (0.032 R)
• M78: 34,665,267 km (0.118 R)
• M79: 35,370,771 km (0.04 R)
• M80: 35,971,406 km (0.109 R)
• M81: 36,685,587 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.1

Radius: 8.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.17 AU - 10.13 AU

Year: 10109 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 61,448,465 km

• M1: 123,568 km (0.12 R)
• M2: 257,458 km (0.058 R)
• M3: 352,004 km (0.099 R)
• M4: 616,792 km (0.08 R)
• M5: 687,851 km (0.104 R)
• M6: 990,936 km (0.095 R)
• M7: 1,219,073 km (0.082 R)
• M8: 1,775,876 km (0.103 R)
• M9: 1,853,966 km (0.06 R)
• M10: 2,247,409 km (0.113 R)
• M11: 2,317,869 km (0.056 R)
• M12: 2,786,560 km (0.117 R)
• M13: 3,332,442 km (0.113 R)
• M14: 3,445,688 km (0.095 R)
• M15: 3,894,182 km (0.034 R)
• M16: 4,151,341 km (0.056 R)
• M17: 4,343,425 km (0.109 R)
• M18: 4,845,774 km (0.041 R)
• M19: 5,103,831 km (0.111 R)
• M20: 5,328,676 km (0.119 R)
• M21: 5,385,523 km (0.117 R)
• M22: 5,749,345 km (0.039 R)
• M23: 6,062,155 km (0.116 R)
• M24: 6,561,811 km (0.106 R)
• M25: 6,868,038 km (0.103 R)
• M26: 6,971,111 km (0.079 R)
• M27: 7,262,677 km (0.091 R)
• M28: 7,473,311 km (0.05 R)
• M29: 7,707,432 km (0.059 R)
• M30: 7,771,609 km (0.106 R)
• M31: 8,756,861 km (0.06 R)
• M32: 8,823,881 km (0.111 R)
• M33: 8,913,640 km (0.12 R)
• M34: 9,688,407 km (0.113 R)
• M35: 10,037,120 km (0.077 R)
• M36: 10,177,742 km (0.098 R)
• M37: 10,437,294 km (0.05 R)
• M38: 11,619,715 km (0.043 R)
• M39: 11,965,286 km (0.109 R)
• M40: 12,239,200 km (0.054 R)
• M41: 12,339,431 km (0.081 R)
• M42: 12,590,905 km (0.077 R)
• M43: 14,161,533 km (0.119 R)
• M44: 14,240,371 km (0.094 R)
• M45: 15,251,653 km (0.069 R)
• M46: 16,093,589 km (0.089 R)
• M47: 16,617,182 km (0.077 R)
• M48: 17,146,310 km (0.045 R)
• M49: 17,850,916 km (0.063 R)
• M50: 18,021,457 km (0.091 R)
• M51: 18,164,024 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.6

Radius: 4.2

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 13.59 AU - 18.35 AU

Year: 23310 Days

Day: 24.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 61,448,465 km

• M1: 67,768 km (0.107 R)
• M2: 387,309 km (0.073 R)
• M3: 1,627,774 km (0.084 R)
• M4: 1,682,378 km (0.092 R)
• M5: 1,737,579 km (0.092 R)
• M6: 1,907,074 km (0.098 R)
• M7: 2,668,527 km (0.113 R)
• M8: 3,063,914 km (0.08 R)
• M9: 4,018,498 km (0.085 R)
• M10: 4,317,694 km (0.042 R)
• M11: 4,662,966 km (0.106 R)
• M12: 5,257,916 km (0.077 R)
• M13: 5,298,457 km (0.09 R)
• M14: 6,172,857 km (0.059 R)
• M15: 6,387,679 km (0.048 R)
• M16: 6,474,297 km (0.054 R)
• M17: 7,958,158 km (0.081 R)
• M18: 8,618,034 km (0.059 R)
• M19: 8,906,309 km (0.102 R)
• M20: 9,051,569 km (0.108 R)
• M21: 9,148,807 km (0.115 R)
• M22: 9,492,134 km (0.103 R)
• M23: 9,690,052 km (0.077 R)
• M24: 12,385,657 km (0.068 R)
• M25: 12,439,661 km (0.057 R)
• M26: 12,547,821 km (0.11 R)
• M27: 12,710,733 km (0.104 R)
• M28: 13,093,404 km (0.109 R)
• M29: 14,094,812 km (0.051 R)
• M30: 14,207,609 km (0.073 R)
• M31: 14,490,947 km (0.066 R)
• M32: 15,993,957 km (0.086 R)
• M33: 16,525,628 km (0.09 R)
• M34: 17,849,420 km (0.086 R)
• M35: 18,277,868 km (0.1 R)
• M36: 18,339,353 km (0.095 R)
• M37: 18,524,106 km (0.05 R)
• M38: 19,771,902 km (0.114 R)
• M39: 19,835,032 km (0.095 R)
• M40: 20,917,971 km (0.069 R)
• M41: 21,175,579 km (0.067 R)
• M42: 22,282,154 km (0.107 R)
• M43: 23,207,417 km (0.115 R)
• M44: 23,741,780 km (0.074 R)
• M45: 25,026,976 km (0.052 R)
• M46: 25,095,192 km (0.086 R)
• M47: 25,231,925 km (0.038 R)
• M48: 25,300,441 km (0.073 R)
• M49: 25,437,472 km (0.105 R)
• M50: 25,712,433 km (0.056 R)
• M51: 25,850,213 km (0.089 R)
• M52: 27,031,737 km (0.08 R)
• M53: 27,171,910 km (0.08 R)
• M54: 28,658,015 km (0.088 R)
• M55: 29,735,569 km (0.084 R)
• M56: 36,395,666 km (0.093 R)
• M57: 36,550,350 km (0.072 R)
• M58: 36,782,975 km (0.063 R)
• M59: 37,093,839 km (0.097 R)
• M60: 37,953,129 km (0.059 R)
• M61: 38,503,350 km (0.065 R)
• M62: 38,661,027 km (0.111 R)
• M63: 38,739,865 km (0.074 R)
• M64: 40,010,100 km (0.114 R)
• M65: 40,810,748 km (0.089 R)
• M66: 40,891,082 km (0.113 R)
• M67: 40,971,566 km (0.066 R)
• M68: 42,428,051 km (0.107 R)
• M69: 43,162,726 km (0.075 R)
• M70: 43,490,495 km (0.098 R)
• M71: 43,901,440 km (0.098 R)
• M72: 44,066,147 km (0.073 R)
• M73: 46,310,265 km (0.063 R)
• M74: 47,319,452 km (0.045 R)
• M75: 47,826,888 km (0.119 R)
• M76: 48,846,996 km (0.04 R)
• M77: 49,874,135 km (0.075 R)
• M78: 52,037,021 km (0.096 R)
• M79: 52,473,248 km (0.043 R)
• M80: 52,910,672 km (0.116 R)
• M81: 53,613,184 km (0.101 R)
• M82: 54,230,275 km (0.094 R)
• M83: 54,938,472 km (0.097 R)
• M84: 57,261,278 km (0.113 R)
• M85: 57,711,567 km (0.088 R)
• M86: 57,982,340 km (0.106 R)
• M87: 58,163,054 km (0.089 R)
• M88: 59,069,617 km (0.109 R)
• M89: 59,615,799 km (0.106 R)
• M90: 59,889,563 km (0.046 R)
• M91: 60,529,842 km (0.118 R)
• M92: 60,896,656 km (0.091 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: 234 - 11,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit