🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.72 AU - 1.06 AU

Year: 259 Days

Day: 46.4 Hours

Environment

Temp: 202 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.77 AU - 4.71 AU

Year: 2695 Days

Day: 33 Hours

Environment

Temp: -92 °C

Axial Tilt: 73.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,348,594 km

• M1: 249,230 km (0.045 R)
• M2: 2,853,579 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.29 AU - 5.37 AU

Year: 3277 Days

Day: 39.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.07 AU - 6.57 AU

Year: 3788 Days

Day: 31.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 158.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,348,594 km

• M1: 720,912 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.68 AU - 7.38 AU

Year: 5754 Days

Day: 16.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,348,594 km

• M1: 2,931,669 km (0.113 R)
• M2: 3,384,502 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.4

Radius: 3.1

Gravity: 26.58 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 14.85 AU - 17.75 AU

Year: 20315 Days

Day: 22.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 101,348,594 km

• M1: 325,824 km (0.053 R)
• M2: 448,195 km (0.085 R)
• M3: 620,083 km (0.068 R)
• M4: 732,431 km (0.07 R)
• M5: 751,879 km (0.078 R)
• M6: 933,940 km (0.096 R)
• M7: 1,019,061 km (0.082 R)
• M8: 1,243,158 km (0.076 R)
• M9: 1,336,956 km (0.114 R)
• M10: 2,055,924 km (0.076 R)
• M11: 2,337,317 km (0.086 R)
• M12: 2,842,659 km (0.104 R)
• M13: 2,997,493 km (0.077 R)
• M14: 4,403,114 km (0.08 R)
• M15: 4,438,718 km (0.087 R)
• M16: 6,098,507 km (0.119 R)
• M17: 6,298,070 km (0.027 R)
• M18: 7,969,677 km (0.103 R)
• M19: 8,808,771 km (0.105 R)
• M20: 9,353,158 km (0.07 R)
• M21: 10,001,814 km (0.099 R)
• M22: 10,095,612 km (0.083 R)
• M23: 10,856,766 km (0.026 R)
• M24: 11,001,577 km (0.097 R)
• M25: 11,685,688 km (0.112 R)
• M26: 13,871,014 km (0.061 R)
• M27: 17,066,424 km (0.075 R)
• M28: 17,347,219 km (0.118 R)
• M29: 17,686,208 km (0.065 R)
• M30: 19,180,392 km (0.111 R)
• M31: 21,074,002 km (0.083 R)
• M32: 21,677,928 km (0.107 R)
• M33: 22,532,730 km (0.078 R)
• M34: 22,717,484 km (0.106 R)
• M35: 23,026,254 km (0.029 R)
• M36: 23,212,204 km (0.094 R)
• M37: 24,086,604 km (0.109 R)
• M38: 24,338,377 km (0.103 R)
• M39: 25,354,446 km (0.117 R)
• M40: 27,099,953 km (0.074 R)
• M41: 28,750,467 km (0.077 R)
• M42: 29,554,107 km (0.061 R)
• M43: 31,183,676 km (0.05 R)
• M44: 31,733,299 km (0.09 R)
• M45: 33,051,256 km (0.095 R)
• M46: 33,822,583 km (0.098 R)
• M47: 36,676,611 km (0.064 R)
• M48: 37,402,160 km (0.086 R)
• M49: 37,766,730 km (0.084 R)
• M50: 38,132,348 km (0.098 R)
• M51: 38,352,406 km (0.056 R)
• M52: 38,719,968 km (0.087 R)
• M53: 39,088,727 km (0.105 R)
• M54: 39,236,530 km (0.106 R)
• M55: 39,532,733 km (0.113 R)
• M56: 39,829,685 km (0.12 R)
• M57: 40,127,385 km (0.073 R)
• M58: 41,626,804 km (0.067 R)
• M59: 41,702,351 km (0.091 R)
• M60: 42,307,624 km (0.113 R)
• M61: 42,992,034 km (0.1 R)
• M62: 43,450,253 km (0.115 R)
• M63: 43,680,035 km (0.089 R)
• M64: 44,448,819 km (0.079 R)
• M65: 44,834,931 km (0.119 R)
• M66: 44,989,615 km (0.115 R)
• M67: 45,765,878 km (0.062 R)
• M68: 47,963,172 km (0.092 R)
• M69: 49,154,270 km (0.096 R)
• M70: 51,403,624 km (0.115 R)
• M71: 51,971,198 km (0.12 R)
• M72: 52,133,811 km (0.079 R)
• M73: 53,112,630 km (0.025 R)
• M74: 54,262,140 km (0.101 R)
• M75: 55,171,096 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 21.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.4

Radius: 5

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 19.09 AU - 24.79 AU

Year: 31724 Days

Day: 17 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 101,348,594 km

• M1: 71,209 km (0.117 R)
• M2: 641,924 km (0.071 R)
• M3: 965,355 km (0.082 R)
• M4: 2,311,138 km (0.097 R)
• M5: 2,572,186 km (0.063 R)
• M6: 3,028,011 km (0.098 R)
• M7: 3,122,108 km (0.058 R)
• M8: 3,265,123 km (0.093 R)
• M9: 4,220,006 km (0.064 R)
• M10: 4,272,515 km (0.115 R)
• M11: 5,539,310 km (0.08 R)
• M12: 7,224,380 km (0.118 R)
• M13: 7,797,191 km (0.026 R)
• M14: 7,991,369 km (0.081 R)
• M15: 8,985,895 km (0.097 R)
• M16: 9,532,227 km (0.113 R)
• M17: 9,949,006 km (0.09 R)
• M18: 10,019,018 km (0.065 R)
• M19: 10,585,246 km (0.068 R)
• M20: 11,380,508 km (0.113 R)
• M21: 12,495,761 km (0.067 R)
• M22: 13,567,779 km (0.118 R)
• M23: 13,801,301 km (0.051 R)
• M24: 13,879,391 km (0.079 R)
• M25: 13,957,631 km (0.108 R)
• M26: 14,114,709 km (0.037 R)
• M27: 15,068,994 km (0.112 R)
• M28: 15,635,221 km (0.117 R)
• M29: 16,290,909 km (0.1 R)
• M30: 17,713,734 km (0.08 R)
• M31: 19,263,119 km (0.049 R)
• M32: 19,789,106 km (0.101 R)
• M33: 20,587,061 km (0.09 R)
• M34: 21,304,981 km (0.073 R)
• M35: 21,940,024 km (0.114 R)
• M36: 23,414,610 km (0.081 R)
• M37: 23,601,158 km (0.075 R)
• M38: 25,111,499 km (0.104 R)
• M39: 25,302,385 km (0.065 R)
• M40: 25,493,871 km (0.106 R)
• M41: 28,224,331 km (0.082 R)
• M42: 29,121,469 km (0.068 R)
• M43: 29,825,776 km (0.087 R)
• M44: 34,061,640 km (0.092 R)
• M45: 34,273,022 km (0.041 R)
• M46: 36,087,345 km (0.07 R)
• M47: 36,735,253 km (0.052 R)
• M48: 38,922,075 km (0.078 R)
• M49: 40,142,793 km (0.105 R)
• M50: 40,701,841 km (0.1 R)
• M51: 43,191,748 km (0.109 R)
• M52: 44,109,381 km (0.119 R)
• M53: 44,339,911 km (0.089 R)
• M54: 45,730,723 km (0.092 R)
• M55: 46,314,454 km (0.104 R)
• M56: 51,193,289 km (0.111 R)
• M57: 51,556,662 km (0.095 R)
• M58: 54,247,180 km (0.041 R)
• M59: 56,107,729 km (0.115 R)
• M60: 56,732,599 km (0.079 R)
• M61: 60,785,504 km (0.103 R)
• M62: 61,684,438 km (0.097 R)
• M63: 65,192,807 km (0.072 R)
• M64: 66,112,984 km (0.078 R)
• M65: 68,099,045 km (0.109 R)
• M66: 69,032,536 km (0.102 R)
• M67: 69,300,017 km (0.117 R)
• M68: 69,433,907 km (0.106 R)
• M69: 70,104,704 km (0.108 R)
• M70: 70,777,445 km (0.039 R)
• M71: 71,182,257 km (0.096 R)
• M72: 71,317,344 km (0.117 R)
• M73: 71,452,431 km (0.09 R)
• M74: 72,265,196 km (0.103 R)
• M75: 72,944,819 km (0.119 R)
• M76: 76,374,799 km (0.064 R)
• M77: 76,789,933 km (0.116 R)
• M78: 77,483,469 km (0.073 R)
• M79: 77,622,446 km (0.093 R)
• M80: 78,039,824 km (0.105 R)
• M81: 78,179,099 km (0.085 R)
• M82: 78,318,524 km (0.046 R)
• M83: 80,418,879 km (0.05 R)
• M84: 83,105,956 km (0.078 R)
• M85: 84,961,418 km (0.111 R)
• M86: 85,966,117 km (0.076 R)
• M87: 87,408,241 km (0.116 R)
• M88: 89,878,251 km (0.102 R)
• M89: 91,195,012 km (0.027 R)
• M90: 92,076,442 km (0.104 R)
• M91: 92,518,354 km (0.11 R)
• M92: 93,551,926 km (0.107 R)
• M93: 97,574,164 km (0.105 R)
• M94: 98,475,641 km (0.094 R)
• M95: 98,776,781 km (0.12 R)
• M96: 98,927,426 km (0.087 R)

Kuiper Belt

Range: 35.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 10,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit