🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.89 AU - 0.91 AU

Year: 373 Days

Day: 23.4 Hours

Environment

Temp: -57 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.1 AU - 1.36 AU

Year: 596 Days

Day: 18 Hours

Environment

Temp: -75 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,402,728 km

• M1: 298,597 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.12 AU - 1.38 AU

Year: 610 Days

Day: 33.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 13

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.71 AU - 3.85 AU

Year: 2593 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,402,728 km

• M1: 162,014 km (0.099 R)
• M2: 570,566 km (0.083 R)
• M3: 991,235 km (0.063 R)
• M4: 1,719,628 km (0.027 R)
• M5: 2,335,821 km (0.097 R)
• M6: 4,078,038 km (0.085 R)
• M7: 4,919,376 km (0.087 R)
• M8: 5,636,848 km (0.09 R)
• M9: 6,310,487 km (0.051 R)
• M10: 7,250,410 km (0.106 R)
• M11: 8,214,269 km (0.065 R)
• M12: 8,727,390 km (0.055 R)
• M13: 9,371,409 km (0.059 R)
• M14: 9,855,957 km (0.093 R)
• M15: 12,941,413 km (0.097 R)
• M16: 14,358,404 km (0.061 R)
• M17: 15,564,462 km (0.105 R)
• M18: 17,331,961 km (0.062 R)
• M19: 19,709,669 km (0.099 R)
• M20: 21,198,467 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 12.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.3 AU - 4.4 AU

Year: 3298 Days

Day: 12.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,402,728 km

• M1: 160,070 km (0.088 R)
• M2: 761,902 km (0.1 R)
• M3: 1,982,471 km (0.097 R)
• M4: 2,829,644 km (0.093 R)
• M5: 3,752,962 km (0.075 R)
• M6: 7,651,632 km (0.096 R)
• M7: 9,085,527 km (0.114 R)
• M8: 9,721,169 km (0.105 R)
• M9: 12,781,642 km (0.119 R)
• M10: 15,082,607 km (0.034 R)
• M11: 15,773,599 km (0.115 R)
• M12: 18,470,550 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 12.9

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.15 AU - 6.27 AU

Year: 5192 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,402,728 km

• M1: 160,967 km (0.116 R)
• M2: 572,062 km (0.087 R)
• M3: 1,007,542 km (0.085 R)
• M4: 1,599,201 km (0.097 R)
• M5: 2,173,657 km (0.115 R)
• M6: 2,960,691 km (0.082 R)
• M7: 3,541,281 km (0.113 R)
• M8: 4,347,763 km (0.119 R)
• M9: 5,360,840 km (0.117 R)
• M10: 5,876,354 km (0.072 R)
• M11: 9,611,364 km (0.03 R)
• M12: 10,374,912 km (0.102 R)
• M13: 11,227,021 km (0.101 R)
• M14: 12,279,442 km (0.107 R)
• M15: 13,451,541 km (0.06 R)
• M16: 14,696,794 km (0.081 R)
• M17: 15,528,259 km (0.113 R)
• M18: 17,612,606 km (0.084 R)
• M19: 18,482,817 km (0.052 R)
• M20: 20,164,596 km (0.111 R)
• M21: 20,894,634 km (0.088 R)
• M22: 22,485,009 km (0.071 R)
• M23: 24,317,882 km (0.037 R)
• M24: 28,098,669 km (0.079 R)
• M25: 28,734,310 km (0.076 R)
• M26: 29,565,626 km (0.078 R)
• M27: 31,762,919 km (0.099 R)
• M28: 32,552,048 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 11.8

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.88 AU - 5.98 AU

Year: 5524 Days

Day: 14.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,402,728 km

• M1: 146,905 km (0.089 R)
• M2: 594,203 km (0.107 R)
• M3: 1,372,261 km (0.04 R)
• M4: 1,838,707 km (0.092 R)
• M5: 2,212,852 km (0.092 R)
• M6: 3,180,451 km (0.104 R)
• M7: 3,703,146 km (0.109 R)
• M8: 4,207,141 km (0.088 R)
• M9: 5,778,667 km (0.119 R)
• M10: 6,292,236 km (0.098 R)
• M11: 7,902,208 km (0.045 R)
• M12: 8,414,581 km (0.107 R)
• M13: 10,315,970 km (0.076 R)
• M14: 11,969,774 km (0.084 R)
• M15: 13,404,119 km (0.08 R)
• M16: 14,020,312 km (0.044 R)
• M17: 15,430,123 km (0.095 R)
• M18: 17,986,601 km (0.091 R)
• M19: 18,875,063 km (0.042 R)
• M20: 20,591,848 km (0.117 R)
• M21: 21,261,597 km (0.048 R)
• M22: 22,644,929 km (0.044 R)
• M23: 26,538,961 km (0.085 R)
• M24: 28,598,027 km (0.111 R)
• M25: 31,245,909 km (0.108 R)
• M26: 32,931,129 km (0.063 R)
• M27: 33,744,792 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.1

Radius: 8.2

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.7 AU - 6.48 AU

Year: 5770 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,402,728 km

• M1: 102,624 km (0.096 R)
• M2: 647,460 km (0.081 R)
• M3: 932,892 km (0.068 R)
• M4: 1,757,775 km (0.114 R)
• M5: 2,081,654 km (0.082 R)
• M6: 3,259,139 km (0.12 R)
• M7: 3,773,606 km (0.108 R)
• M8: 4,242,745 km (0.1 R)
• M9: 4,645,612 km (0.106 R)
• M10: 5,269,435 km (0.068 R)
• M11: 6,783,216 km (0.111 R)
• M12: 7,124,599 km (0.059 R)
• M13: 7,878,871 km (0.074 R)
• M14: 8,845,124 km (0.038 R)
• M15: 9,673,447 km (0.04 R)
• M16: 10,826,099 km (0.086 R)
• M17: 11,821,972 km (0.088 R)
• M18: 15,175,507 km (0.115 R)
• M19: 16,543,281 km (0.085 R)
• M20: 17,100,233 km (0.089 R)
• M21: 19,453,707 km (0.093 R)
• M22: 20,143,952 km (0.051 R)
• M23: 21,065,475 km (0.059 R)
• M24: 21,719,816 km (0.077 R)
• M25: 22,613,214 km (0.077 R)
• M26: 27,969,566 km (0.118 R)
• M27: 30,018,758 km (0.109 R)
• M28: 30,385,123 km (0.038 R)
• M29: 31,126,679 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.1

Radius: 4.6

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.51 AU - 15.01 AU

Year: 18740 Days

Day: 23.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,402,728 km

• M1: 63,280 km (0.103 R)
• M2: 229,782 km (0.104 R)
• M3: 430,243 km (0.048 R)
• M4: 639,830 km (0.107 R)
• M5: 1,351,318 km (0.093 R)
• M6: 1,986,211 km (0.095 R)
• M7: 2,443,532 km (0.089 R)
• M8: 2,919,402 km (0.113 R)
• M9: 3,217,850 km (0.078 R)
• M10: 3,703,295 km (0.106 R)
• M11: 5,415,892 km (0.083 R)
• M12: 5,713,591 km (0.092 R)
• M13: 6,884,644 km (0.053 R)
• M14: 9,108,117 km (0.112 R)
• M15: 10,753,394 km (0.077 R)
• M16: 11,343,109 km (0.089 R)
• M17: 14,126,228 km (0.074 R)
• M18: 14,406,275 km (0.102 R)
• M19: 15,563,265 km (0.059 R)
• M20: 16,937,471 km (0.028 R)
• M21: 23,051,386 km (0.093 R)
• M22: 37,877,732 km (0.084 R)
• M23: 39,238,026 km (0.049 R)
• M24: 39,791,238 km (0.101 R)
• M25: 45,307,810 km (0.085 R)
• M26: 47,775,426 km (0.091 R)
• M27: 55,539,705 km (0.094 R)
• M28: 58,363,216 km (0.079 R)
• M29: 59,264,842 km (0.094 R)
• M30: 60,726,712 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.4

Radius: 3.9

Gravity: 23.04 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 13.09 AU - 13.59 AU

Year: 21270 Days

Day: 21.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,402,728 km

• M1: 55,950 km (0.108 R)
• M2: 578,495 km (0.111 R)
• M3: 829,371 km (0.114 R)
• M4: 1,281,755 km (0.094 R)
• M5: 1,691,503 km (0.085 R)
• M6: 2,009,847 km (0.114 R)
• M7: 2,516,685 km (0.089 R)
• M8: 4,479,110 km (0.048 R)
• M9: 5,263,302 km (0.107 R)
• M10: 5,519,264 km (0.107 R)
• M11: 7,011,203 km (0.083 R)
• M12: 8,752,672 km (0.059 R)
• M13: 10,996,640 km (0.116 R)
• M14: 12,994,071 km (0.118 R)
• M15: 13,870,266 km (0.11 R)
• M16: 15,889,987 km (0.04 R)
• M17: 16,347,008 km (0.098 R)
• M18: 29,084,668 km (0.115 R)
• M19: 29,311,160 km (0.111 R)
• M20: 38,409,253 km (0.108 R)
• M21: 43,075,660 km (0.063 R)
• M22: 47,319,751 km (0.032 R)
• M23: 56,627,432 km (0.111 R)
• M24: 61,334,977 km (0.082 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 19,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit