🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.43 AU - 0.71 AU

Year: 198 Days

Day: 33.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.71 AU - 0.73 AU

Year: 281 Days

Day: 13.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,307,787 km

• M1: 104,719 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.02 AU - 1.22 AU

Year: 545 Days

Day: 14.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.8

Radius: 8.9

Gravity: 11.9 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.55 AU - 4.01 AU

Year: 3382 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,307,787 km

• M1: 111,002 km (0.054 R)
• M2: 408,103 km (0.099 R)
• M3: 1,028,336 km (0.086 R)
• M4: 1,343,389 km (0.118 R)
• M5: 1,835,267 km (0.062 R)
• M6: 2,769,206 km (0.114 R)
• M7: 3,370,739 km (0.098 R)
• M8: 3,818,486 km (0.104 R)
• M9: 4,660,722 km (0.105 R)
• M10: 5,061,195 km (0.093 R)
• M11: 6,046,746 km (0.047 R)
• M12: 7,286,314 km (0.097 R)
• M13: 7,621,114 km (0.089 R)
• M14: 8,178,067 km (0.056 R)
• M15: 8,724,548 km (0.107 R)
• M16: 9,890,663 km (0.042 R)
• M17: 10,385,084 km (0.108 R)
• M18: 10,809,493 km (0.048 R)
• M19: 12,199,557 km (0.097 R)
• M20: 13,354,602 km (0.036 R)
• M21: 14,267,747 km (0.094 R)
• M22: 16,331,151 km (0.091 R)
• M23: 17,080,486 km (0.083 R)
• M24: 18,155,796 km (0.097 R)
• M25: 19,787,610 km (0.108 R)
• M26: 20,112,387 km (0.113 R)
• M27: 24,439,804 km (0.028 R)
• M28: 25,881,030 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 11.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.53 AU - 5.47 AU

Year: 4393 Days

Day: 6.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,307,787 km

• M1: 146,756 km (0.099 R)
• M2: 737,368 km (0.088 R)
• M3: 1,276,070 km (0.069 R)
• M4: 1,883,587 km (0.074 R)
• M5: 2,499,182 km (0.06 R)
• M6: 3,538,887 km (0.09 R)
• M7: 4,225,392 km (0.066 R)
• M8: 4,797,155 km (0.106 R)
• M9: 5,312,520 km (0.072 R)
• M10: 6,424,032 km (0.083 R)
• M11: 7,214,507 km (0.066 R)
• M12: 7,753,658 km (0.079 R)
• M13: 9,977,729 km (0.069 R)
• M14: 10,393,162 km (0.088 R)
• M15: 11,572,592 km (0.1 R)
• M16: 14,248,300 km (0.064 R)
• M17: 16,379,471 km (0.076 R)
• M18: 17,017,057 km (0.089 R)
• M19: 17,974,035 km (0.09 R)
• M20: 19,734,502 km (0.105 R)
• M21: 20,390,339 km (0.065 R)
• M22: 21,060,538 km (0.092 R)
• M23: 21,814,810 km (0.111 R)
• M24: 22,374,606 km (0.114 R)
• M25: 23,232,101 km (0.093 R)
• M26: 25,781,099 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.8

Radius: 12.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.33 AU - 6.67 AU

Year: 5936 Days

Day: 5.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,307,787 km

• M1: 155,582 km (0.078 R)
• M2: 653,593 km (0.057 R)
• M3: 1,644,829 km (0.07 R)
• M4: 2,674,660 km (0.115 R)
• M5: 3,120,462 km (0.091 R)
• M6: 6,146,977 km (0.117 R)
• M7: 6,995,795 km (0.08 R)
• M8: 7,708,629 km (0.04 R)
• M9: 8,173,878 km (0.118 R)
• M10: 8,657,827 km (0.091 R)
• M11: 10,613,071 km (0.084 R)
• M12: 12,797,649 km (0.09 R)
• M13: 15,211,411 km (0.082 R)
• M14: 17,000,152 km (0.118 R)
• M15: 18,478,329 km (0.097 R)
• M16: 19,313,983 km (0.07 R)
• M17: 20,716,912 km (0.112 R)
• M18: 21,338,640 km (0.08 R)
• M19: 24,943,949 km (0.056 R)
• M20: 28,089,394 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 12.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.38 AU - 6.78 AU

Year: 6899 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,307,787 km

• M1: 154,235 km (0.086 R)
• M2: 549,174 km (0.119 R)
• M3: 963,111 km (0.068 R)
• M4: 1,372,710 km (0.064 R)
• M5: 2,199,537 km (0.095 R)
• M6: 2,689,171 km (0.107 R)
• M7: 3,661,408 km (0.113 R)
• M8: 4,179,615 km (0.116 R)
• M9: 4,613,299 km (0.071 R)
• M10: 5,162,024 km (0.076 R)
• M11: 6,098,806 km (0.06 R)
• M12: 6,969,166 km (0.027 R)
• M13: 9,039,751 km (0.07 R)
• M14: 9,507,393 km (0.098 R)
• M15: 10,723,923 km (0.055 R)
• M16: 13,795,467 km (0.104 R)
• M17: 14,245,158 km (0.027 R)
• M18: 14,879,453 km (0.052 R)
• M19: 17,023,789 km (0.074 R)
• M20: 17,870,363 km (0.108 R)
• M21: 18,608,479 km (0.101 R)
• M22: 19,296,929 km (0.098 R)
• M23: 21,390,102 km (0.115 R)
• M24: 24,438,009 km (0.104 R)
• M25: 26,023,148 km (0.051 R)
• M26: 26,537,615 km (0.043 R)
• M27: 33,454,123 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 11.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.28 AU - 9.92 AU

Year: 10608 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,307,787 km

• M1: 139,276 km (0.119 R)
• M2: 869,463 km (0.109 R)
• M3: 1,449,155 km (0.113 R)
• M4: 2,516,087 km (0.078 R)
• M5: 3,707,783 km (0.119 R)
• M6: 4,350,904 km (0.104 R)
• M7: 5,423,072 km (0.073 R)
• M8: 5,891,912 km (0.059 R)
• M9: 7,614,980 km (0.049 R)
• M10: 18,111,964 km (0.087 R)
• M11: 20,475,311 km (0.101 R)
• M12: 25,286,827 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.7

Radius: 6.4

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.94 AU - 13.1 AU

Year: 16834 Days

Day: 16.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,307,787 km

• M1: 79,885 km (0.081 R)
• M2: 310,715 km (0.082 R)
• M3: 534,214 km (0.106 R)
• M4: 805,884 km (0.098 R)
• M5: 1,026,391 km (0.118 R)
• M6: 1,375,403 km (0.049 R)
• M7: 1,832,424 km (0.068 R)
• M8: 2,256,235 km (0.12 R)
• M9: 4,452,930 km (0.057 R)
• M10: 5,446,709 km (0.068 R)
• M11: 5,820,255 km (0.119 R)
• M12: 6,320,211 km (0.094 R)
• M13: 7,487,523 km (0.11 R)
• M14: 8,035,500 km (0.09 R)
• M15: 9,211,339 km (0.107 R)
• M16: 11,129,932 km (0.094 R)
• M17: 12,125,506 km (0.103 R)
• M18: 13,728,297 km (0.067 R)
• M19: 17,060,440 km (0.085 R)
• M20: 19,220,933 km (0.07 R)
• M21: 20,006,322 km (0.114 R)
• M22: 22,924,228 km (0.112 R)
• M23: 29,587,467 km (0.117 R)
• M24: 31,166,173 km (0.111 R)
• M25: 34,375,796 km (0.111 R)
• M26: 34,604,830 km (0.06 R)
• M27: 35,531,738 km (0.082 R)
• M28: 36,832,941 km (0.083 R)
• M29: 39,154,849 km (0.098 R)
• M30: 43,953,051 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.3

Radius: 4

Gravity: 31.52 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 10.13 AU - 15.17 AU

Year: 20704 Days

Day: 18.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 70,307,787 km

• M1: 55,351 km (0.12 R)
• M2: 200,611 km (0.101 R)
• M3: 332,107 km (0.086 R)
• M4: 459,415 km (0.029 R)
• M5: 777,610 km (0.1 R)
• M6: 1,021,005 km (0.109 R)
• M7: 1,228,498 km (0.036 R)
• M8: 1,625,381 km (0.103 R)
• M9: 2,574,579 km (0.097 R)
• M10: 2,860,162 km (0.11 R)
• M11: 4,479,110 km (0.079 R)
• M12: 4,716,970 km (0.081 R)
• M13: 5,443,119 km (0.027 R)
• M14: 7,484,681 km (0.048 R)
• M15: 7,674,969 km (0.1 R)
• M16: 7,868,399 km (0.067 R)
• M17: 8,417,124 km (0.085 R)
• M18: 9,314,861 km (0.038 R)
• M19: 10,216,338 km (0.089 R)
• M20: 10,391,517 km (0.08 R)
• M21: 11,422,994 km (0.095 R)
• M22: 12,256,404 km (0.118 R)
• M23: 12,454,472 km (0.083 R)
• M24: 16,312,750 km (0.099 R)
• M25: 16,552,256 km (0.1 R)
• M26: 18,553,876 km (0.118 R)
• M27: 19,433,511 km (0.09 R)
• M28: 20,618,177 km (0.08 R)
• M29: 21,946,756 km (0.074 R)
• M30: 23,230,605 km (0.106 R)
• M31: 24,563,671 km (0.053 R)
• M32: 25,089,807 km (0.099 R)
• M33: 34,689,652 km (0.082 R)
• M34: 34,821,448 km (0.072 R)
• M35: 35,752,694 km (0.06 R)
• M36: 37,804,130 km (0.12 R)
• M37: 42,289,672 km (0.088 R)
• M38: 42,893,150 km (0.085 R)
• M39: 47,117,196 km (0.06 R)
• M40: 48,091,975 km (0.111 R)
• M41: 51,610,069 km (0.096 R)
• M42: 55,295,711 km (0.091 R)
• M43: 56,927,675 km (0.037 R)
• M44: 65,369,632 km (0.065 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 14,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit