🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.4 AU - 0.66 AU

Year: 136 Days

Day: 42.9 Hours

Environment

Temp: 252 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.1 AU - 1.46 AU

Year: 509 Days

Day: 26.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.63 AU - 2.15 AU

Year: 913 Days

Day: 40.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.12 AU - 4.32 AU

Year: 2522 Days

Day: 23 Hours

Environment

Temp: -115 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,060,040 km

• M1: 2,249,503 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.36 AU - 4.22 AU

Year: 2593 Days

Day: 23.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.57 AU - 4.67 AU

Year: 2939 Days

Day: 40.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.12 AU - 5.04 AU

Year: 3445 Days

Day: 30.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,060,040 km

• M1: 1,786,797 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 14.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.74 AU - 6.2 AU

Year: 5127 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 100,060,040 km

• M1: 250,876 km (0.113 R)
• M2: 366,664 km (0.099 R)
• M3: 476,918 km (0.117 R)
• M4: 610,060 km (0.084 R)
• M5: 727,943 km (0.035 R)
• M6: 838,646 km (0.083 R)
• M7: 1,008,140 km (0.093 R)
• M8: 1,363,734 km (0.032 R)
• M9: 1,536,071 km (0.107 R)
• M10: 1,641,089 km (0.074 R)
• M11: 1,737,729 km (0.084 R)
• M12: 2,028,398 km (0.107 R)
• M13: 2,168,122 km (0.11 R)
• M14: 2,606,892 km (0.036 R)
• M15: 2,772,348 km (0.064 R)
• M16: 3,181,348 km (0.106 R)
• M17: 3,483,386 km (0.048 R)
• M18: 3,694,918 km (0.076 R)
• M19: 3,823,871 km (0.083 R)
• M20: 3,925,149 km (0.108 R)
• M21: 4,145,507 km (0.117 R)
• M22: 4,706,648 km (0.077 R)
• M23: 4,831,114 km (0.118 R)
• M24: 5,227,548 km (0.038 R)
• M25: 5,486,801 km (0.059 R)
• M26: 6,001,418 km (0.089 R)
• M27: 6,462,329 km (0.09 R)
• M28: 6,811,191 km (0.094 R)
• M29: 7,747,075 km (0.035 R)
• M30: 7,857,778 km (0.064 R)
• M31: 8,043,279 km (0.098 R)
• M32: 8,456,768 km (0.115 R)
• M33: 8,742,649 km (0.067 R)
• M34: 8,954,330 km (0.114 R)
• M35: 9,226,149 km (0.073 R)
• M36: 9,422,123 km (0.092 R)
• M37: 10,078,409 km (0.099 R)
• M38: 10,749,654 km (0.081 R)
• M39: 10,873,222 km (0.08 R)
• M40: 11,101,060 km (0.116 R)
• M41: 11,540,429 km (0.093 R)
• M42: 11,985,632 km (0.095 R)
• M43: 12,156,622 km (0.099 R)
• M44: 12,696,521 km (0.119 R)
• M45: 13,024,290 km (0.054 R)
• M46: 13,487,744 km (0.044 R)
• M47: 13,934,144 km (0.085 R)
• M48: 15,488,466 km (0.076 R)
• M49: 15,745,176 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.6

Radius: 6

Gravity: 24.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 14.69 AU - 21.15 AU

Year: 26662 Days

Day: 16.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 100,060,040 km

• M1: 99,931 km (0.084 R)
• M2: 146,157 km (0.094 R)
• M3: 240,254 km (0.093 R)
• M4: 446,400 km (0.097 R)
• M5: 620,382 km (0.057 R)
• M6: 757,564 km (0.073 R)
• M7: 815,308 km (0.115 R)
• M8: 1,618,200 km (0.107 R)
• M9: 1,731,595 km (0.071 R)
• M10: 1,847,534 km (0.076 R)
• M11: 2,006,257 km (0.1 R)
• M12: 2,294,682 km (0.101 R)
• M13: 2,379,653 km (0.101 R)
• M14: 2,552,439 km (0.068 R)
• M15: 2,956,204 km (0.059 R)
• M16: 3,772,260 km (0.11 R)
• M17: 4,230,927 km (0.085 R)
• M18: 4,815,256 km (0.111 R)
• M19: 5,034,118 km (0.113 R)
• M20: 5,144,671 km (0.057 R)
• M21: 5,312,220 km (0.04 R)
• M22: 5,941,429 km (0.075 R)
• M23: 6,294,630 km (0.069 R)
• M24: 6,473,698 km (0.116 R)
• M25: 7,021,077 km (0.107 R)
• M26: 9,696,635 km (0.06 R)
• M27: 12,125,506 km (0.083 R)
• M28: 12,274,056 km (0.078 R)
• M29: 12,497,855 km (0.115 R)
• M30: 13,101,333 km (0.059 R)
• M31: 13,177,478 km (0.097 R)
• M32: 15,287,257 km (0.087 R)
• M33: 15,689,376 km (0.095 R)
• M34: 16,339,827 km (0.076 R)
• M35: 17,751,433 km (0.113 R)
• M36: 18,856,812 km (0.102 R)
• M37: 19,548,253 km (0.08 R)
• M38: 23,127,083 km (0.063 R)
• M39: 23,588,443 km (0.117 R)
• M40: 23,866,695 km (0.093 R)
• M41: 25,274,411 km (0.091 R)
• M42: 27,289,793 km (0.088 R)
• M43: 27,973,007 km (0.103 R)
• M44: 32,394,372 km (0.117 R)
• M45: 33,429,140 km (0.099 R)
• M46: 33,950,489 km (0.052 R)
• M47: 34,579,847 km (0.115 R)
• M48: 34,790,481 km (0.114 R)
• M49: 35,424,776 km (0.101 R)
• M50: 36,062,960 km (0.096 R)
• M51: 36,383,549 km (0.118 R)
• M52: 36,705,034 km (0.034 R)
• M53: 38,981,615 km (0.071 R)
• M54: 39,530,340 km (0.115 R)
• M55: 40,635,569 km (0.077 R)
• M56: 41,862,870 km (0.08 R)
• M57: 42,312,262 km (0.087 R)
• M58: 43,215,683 km (0.069 R)
• M59: 45,271,607 km (0.081 R)
• M60: 45,732,817 km (0.106 R)
• M61: 46,195,523 km (0.106 R)
• M62: 47,242,409 km (0.078 R)
• M63: 48,532,541 km (0.119 R)
• M64: 52,471,603 km (0.054 R)
• M65: 52,956,001 km (0.064 R)
• M66: 56,017,072 km (0.077 R)
• M67: 56,512,092 km (0.095 R)
• M68: 58,506,830 km (0.072 R)
• M69: 60,905,332 km (0.082 R)
• M70: 65,277,031 km (0.106 R)
• M71: 66,058,829 km (0.063 R)
• M72: 67,237,511 km (0.054 R)
• M73: 70,948,735 km (0.041 R)
• M74: 71,216,366 km (0.084 R)
• M75: 72,829,031 km (0.089 R)
• M76: 73,504,615 km (0.068 R)
• M77: 74,998,050 km (0.065 R)
• M78: 75,134,334 km (0.109 R)
• M79: 76,501,509 km (0.082 R)
• M80: 78,014,841 km (0.101 R)
• M81: 78,152,920 km (0.112 R)
• M82: 78,983,038 km (0.094 R)
• M83: 81,631,070 km (0.072 R)
• M84: 82,332,684 km (0.094 R)
• M85: 84,307,974 km (0.03 R)
• M86: 86,156,106 km (0.096 R)
• M87: 86,298,823 km (0.072 R)
• M88: 87,299,932 km (0.094 R)
• M89: 88,448,993 km (0.114 R)
• M90: 90,471,706 km (0.061 R)
• M91: 93,094,605 km (0.062 R)
• M92: 93,387,518 km (0.106 R)
• M93: 93,534,124 km (0.086 R)
• M94: 98,116,606 km (0.064 R)
• M95: 99,910,135 km (0.118 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 16,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit