🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.68 AU - 0.78 AU

Year: 228 Days

Day: 41 Hours

Environment

Temp: 195 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.66 AU - 0.82 AU

Year: 233 Days

Day: 39.3 Hours

Environment

Temp: 154 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.81 AU - 1.13 AU

Year: 349 Days

Day: 34.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 0.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1 AU - 1.36 AU

Year: 468 Days

Day: 27.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,397,062 km

• M1: 146,606 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.23 AU - 1.25 AU

Year: 504 Days

Day: 30 Hours

Environment

Temp: 14 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.88 AU - 2.48 AU

Year: 1176 Days

Day: 17.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.36 AU - 4.16 AU

Year: 2663 Days

Day: 41.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,397,062 km

• M1: 301,889 km (0.044 R)
• M2: 372,947 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.8

Radius: 12.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.54 AU - 8.8 AU

Year: 7012 Days

Day: 12.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 85,397,062 km

• M1: 202,556 km (0.039 R)
• M2: 320,439 km (0.046 R)
• M3: 486,492 km (0.104 R)
• M4: 568,622 km (0.119 R)
• M5: 870,660 km (0.094 R)
• M6: 1,071,719 km (0.041 R)
• M7: 1,562,699 km (0.111 R)
• M8: 1,886,280 km (0.115 R)
• M9: 1,993,840 km (0.108 R)
• M10: 2,071,931 km (0.111 R)
• M11: 2,215,096 km (0.077 R)
• M12: 2,596,570 km (0.069 R)
• M13: 2,927,630 km (0.105 R)
• M14: 3,016,940 km (0.109 R)
• M15: 3,107,297 km (0.038 R)
• M16: 3,534,698 km (0.109 R)
• M17: 4,000,845 km (0.064 R)
• M18: 5,077,053 km (0.084 R)
• M19: 5,359,643 km (0.12 R)
• M20: 6,123,041 km (0.105 R)
• M21: 7,040,525 km (0.098 R)
• M22: 7,137,015 km (0.107 R)
• M23: 7,258,339 km (0.084 R)
• M24: 7,552,449 km (0.067 R)
• M25: 7,800,482 km (0.107 R)
• M26: 8,025,926 km (0.042 R)
• M27: 8,152,186 km (0.039 R)
• M28: 8,457,815 km (0.061 R)
• M29: 8,612,050 km (0.119 R)
• M30: 8,845,273 km (0.066 R)
• M31: 8,923,513 km (0.066 R)
• M32: 9,718,177 km (0.1 R)
• M33: 9,933,897 km (0.091 R)
• M34: 10,452,702 km (0.03 R)
• M35: 10,980,334 km (0.115 R)
• M36: 11,573,639 km (0.116 R)
• M37: 12,293,654 km (0.114 R)
• M38: 12,468,534 km (0.086 R)
• M39: 13,355,799 km (0.04 R)
• M40: 13,746,548 km (0.114 R)
• M41: 14,324,595 km (0.114 R)
• M42: 14,416,597 km (0.11 R)
• M43: 14,724,619 km (0.063 R)
• M44: 15,034,885 km (0.046 R)
• M45: 16,265,477 km (0.057 R)
• M46: 17,071,211 km (0.114 R)
• M47: 17,168,749 km (0.117 R)
• M48: 17,331,811 km (0.083 R)
• M49: 18,187,960 km (0.114 R)
• M50: 18,420,883 km (0.098 R)
• M51: 18,554,325 km (0.108 R)
• M52: 18,654,705 km (0.069 R)
• M53: 18,889,424 km (0.111 R)
• M54: 19,260,427 km (0.1 R)
• M55: 20,044,020 km (0.056 R)
• M56: 20,353,538 km (0.094 R)
• M57: 20,942,356 km (0.031 R)
• M58: 21,116,637 km (0.105 R)
• M59: 21,221,356 km (0.102 R)
• M60: 21,924,466 km (0.086 R)
• M61: 23,317,222 km (0.104 R)
• M62: 23,606,544 km (0.115 R)
• M63: 23,969,768 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.4

Radius: 7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 12.78 AU - 14.18 AU

Year: 18077 Days

Day: 17.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 85,397,062 km

• M1: 133,292 km (0.066 R)
• M2: 217,665 km (0.054 R)
• M3: 402,418 km (0.091 R)
• M4: 456,423 km (0.118 R)
• M5: 603,179 km (0.081 R)
• M6: 923,916 km (0.045 R)
• M7: 979,118 km (0.032 R)
• M8: 1,151,455 km (0.093 R)
• M9: 1,211,144 km (0.117 R)
• M10: 1,292,376 km (0.118 R)
• M11: 1,354,459 km (0.119 R)
• M12: 1,547,141 km (0.052 R)
• M13: 1,934,749 km (0.07 R)
• M14: 2,127,581 km (0.06 R)
• M15: 2,326,546 km (0.084 R)
• M16: 2,689,171 km (0.088 R)
• M17: 2,742,578 km (0.105 R)
• M18: 3,380,463 km (0.059 R)
• M19: 3,438,208 km (0.082 R)
• M20: 3,701,500 km (0.078 R)
• M21: 4,124,114 km (0.105 R)
• M22: 4,216,715 km (0.088 R)
• M23: 4,530,272 km (0.118 R)
• M24: 4,657,730 km (0.072 R)
• M25: 4,981,908 km (0.116 R)
• M26: 5,179,826 km (0.091 R)
• M27: 5,313,268 km (0.074 R)
• M28: 5,858,402 km (0.07 R)
• M29: 6,032,385 km (0.089 R)
• M30: 6,102,396 km (0.108 R)
• M31: 6,492,697 km (0.105 R)
• M32: 7,260,134 km (0.119 R)
• M33: 7,447,132 km (0.108 R)
• M34: 7,711,621 km (0.11 R)
• M35: 7,787,616 km (0.119 R)
• M36: 8,366,560 km (0.095 R)
• M37: 8,760,152 km (0.072 R)
• M38: 9,159,728 km (0.075 R)
• M39: 9,280,753 km (0.113 R)
• M40: 10,817,123 km (0.113 R)
• M41: 11,636,171 km (0.109 R)
• M42: 11,679,854 km (0.103 R)
• M43: 11,855,033 km (0.108 R)
• M44: 12,609,305 km (0.097 R)
• M45: 13,654,396 km (0.108 R)
• M46: 14,444,572 km (0.12 R)
• M47: 15,154,115 km (0.076 R)
• M48: 15,345,301 km (0.119 R)
• M49: 16,410,737 km (0.045 R)
• M50: 16,459,655 km (0.097 R)
• M51: 19,851,488 km (0.091 R)
• M52: 21,652,497 km (0.066 R)
• M53: 22,137,792 km (0.118 R)
• M54: 23,284,310 km (0.106 R)
• M55: 23,394,564 km (0.1 R)
• M56: 23,670,871 km (0.104 R)
• M57: 24,282,427 km (0.089 R)
• M58: 24,842,970 km (0.025 R)
• M59: 25,407,702 km (0.11 R)
• M60: 26,033,769 km (0.115 R)
• M61: 26,090,916 km (0.06 R)
• M62: 26,607,477 km (0.102 R)
• M63: 26,722,668 km (0.091 R)
• M64: 28,353,135 km (0.117 R)
• M65: 29,239,801 km (0.112 R)
• M66: 29,358,732 km (0.107 R)
• M67: 29,895,788 km (0.026 R)
• M68: 30,677,287 km (0.076 R)
• M69: 30,919,038 km (0.11 R)
• M70: 31,770,399 km (0.09 R)
• M71: 32,752,808 km (0.094 R)
• M72: 33,620,625 km (0.116 R)
• M73: 34,936,339 km (0.113 R)
• M74: 35,188,860 km (0.049 R)
• M75: 35,822,856 km (0.11 R)
• M76: 37,424,301 km (0.074 R)
• M77: 38,006,536 km (0.083 R)
• M78: 38,071,312 km (0.05 R)
• M79: 38,461,313 km (0.118 R)
• M80: 38,787,437 km (0.065 R)
• M81: 39,639,397 km (0.094 R)
• M82: 39,705,220 km (0.052 R)
• M83: 40,034,634 km (0.086 R)
• M84: 40,497,490 km (0.081 R)
• M85: 41,495,308 km (0.079 R)
• M86: 43,040,803 km (0.093 R)
• M87: 43,515,029 km (0.071 R)
• M88: 43,786,698 km (0.095 R)
• M89: 45,359,870 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.7

Radius: 7.4

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 16.31 AU - 17.45 AU

Year: 25331 Days

Day: 23.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 85,397,062 km

• M1: 94,695 km (0.068 R)
• M2: 177,273 km (0.059 R)
• M3: 699,220 km (0.116 R)
• M4: 826,229 km (0.117 R)
• M5: 879,336 km (0.082 R)
• M6: 1,132,905 km (0.099 R)
• M7: 1,377,198 km (0.065 R)
• M8: 1,638,097 km (0.1 R)
• M9: 1,844,093 km (0.066 R)
• M10: 1,986,211 km (0.049 R)
• M11: 2,058,616 km (0.113 R)
• M12: 2,205,970 km (0.08 R)
• M13: 2,830,242 km (0.079 R)
• M14: 3,204,237 km (0.054 R)
• M15: 4,323,378 km (0.083 R)
• M16: 5,500,415 km (0.092 R)
• M17: 5,602,739 km (0.115 R)
• M18: 5,861,544 km (0.07 R)
• M19: 6,124,088 km (0.042 R)
• M20: 6,660,995 km (0.113 R)
• M21: 7,045,611 km (0.058 R)
• M22: 7,268,811 km (0.087 R)
• M23: 7,437,557 km (0.104 R)
• M24: 7,550,953 km (0.116 R)
• M25: 8,418,770 km (0.118 R)
• M26: 9,318,003 km (0.094 R)
• M27: 10,947,722 km (0.11 R)
• M28: 11,466,677 km (0.051 R)
• M29: 11,795,044 km (0.106 R)
• M30: 11,861,017 km (0.089 R)
• M31: 12,059,982 km (0.067 R)
• M32: 12,663,310 km (0.067 R)
• M33: 13,207,846 km (0.057 R)
• M34: 14,039,012 km (0.089 R)
• M35: 16,336,985 km (0.111 R)
• M36: 17,755,472 km (0.106 R)
• M37: 21,510,977 km (0.087 R)
• M38: 22,241,613 km (0.085 R)
• M39: 22,405,123 km (0.101 R)
• M40: 23,062,905 km (0.119 R)
• M41: 23,727,120 km (0.034 R)
• M42: 24,313,544 km (0.065 R)
• M43: 25,843,032 km (0.105 R)
• M44: 26,446,211 km (0.047 R)
• M45: 26,966,811 km (0.083 R)
• M46: 27,054,027 km (0.033 R)
• M47: 28,371,984 km (0.036 R)
• M48: 28,460,546 km (0.117 R)
• M49: 31,435,749 km (0.109 R)
• M50: 37,869,953 km (0.099 R)
• M51: 39,046,391 km (0.092 R)
• M52: 39,243,710 km (0.053 R)
• M53: 39,738,281 km (0.082 R)
• M54: 39,936,648 km (0.118 R)
• M55: 40,933,568 km (0.037 R)
• M56: 41,938,566 km (0.068 R)
• M57: 43,155,395 km (0.108 R)
• M58: 47,609,971 km (0.118 R)
• M59: 48,985,224 km (0.115 R)
• M60: 49,624,306 km (0.083 R)
• M61: 50,588,166 km (0.058 R)
• M62: 50,695,726 km (0.059 R)
• M63: 51,774,626 km (0.075 R)
• M64: 52,643,192 km (0.052 R)
• M65: 53,079,269 km (0.114 R)
• M66: 53,955,165 km (0.116 R)
• M67: 54,064,970 km (0.029 R)
• M68: 56,276,774 km (0.077 R)
• M69: 56,499,525 km (0.078 R)
• M70: 58,743,793 km (0.116 R)
• M71: 59,309,422 km (0.073 R)
• M72: 60,674,054 km (0.113 R)
• M73: 62,856,089 km (0.118 R)
• M74: 63,318,795 km (0.115 R)
• M75: 64,480,273 km (0.07 R)
• M76: 66,235,654 km (0.067 R)
• M77: 66,706,439 km (0.116 R)
• M78: 67,651,299 km (0.104 R)
• M79: 70,512,508 km (0.075 R)
• M80: 73,534,534 km (0.045 R)
• M81: 73,778,079 km (0.049 R)
• M82: 75,122,665 km (0.106 R)
• M83: 75,490,826 km (0.098 R)
• M84: 77,092,720 km (0.097 R)
• M85: 78,955,213 km (0.1 R)
• M86: 81,209,503 km (0.113 R)
• M87: 83,484,887 km (0.112 R)
• M88: 83,611,896 km (0.084 R)
• M89: 85,141,235 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 13,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit