🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 8.8

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 15 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,179,438 km

• M1: 109,655 km (0.117 R)
• M2: 402,119 km (0.065 R)
• M3: 676,182 km (0.039 R)
• M4: 977,323 km (0.1 R)
• M5: 1,616,854 km (0.092 R)
• M6: 2,109,629 km (0.069 R)
• M7: 2,494,544 km (0.094 R)
• M8: 2,887,239 km (0.1 R)
• M9: 3,185,238 km (0.106 R)
• M10: 3,843,917 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 11.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.74 AU - 1.12 AU

Year: 619 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,179,438 km

• M1: 138,079 km (0.065 R)
• M2: 549,024 km (0.075 R)
• M3: 922,720 km (0.09 R)
• M4: 1,340,846 km (0.093 R)
• M5: 1,992,045 km (0.088 R)
• M6: 2,511,150 km (0.079 R)
• M7: 3,206,331 km (0.086 R)
• M8: 3,572,547 km (0.093 R)
• M9: 3,981,547 km (0.084 R)
• M10: 4,744,048 km (0.097 R)
• M11: 5,328,377 km (0.104 R)
• M12: 7,690,677 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.4

Radius: 8.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.26 AU - 1.56 AU

Year: 1156 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,179,438 km

• M1: 100,679 km (0.103 R)
• M2: 359,484 km (0.1 R)
• M3: 825,631 km (0.12 R)
• M4: 1,280,707 km (0.099 R)
• M5: 2,380,551 km (0.058 R)
• M6: 2,721,933 km (0.057 R)
• M7: 3,575,240 km (0.104 R)
• M8: 5,081,989 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.6

Radius: 13.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.94 AU - 4.68 AU

Year: 5133 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,179,438 km

• M1: 163,211 km (0.108 R)
• M2: 774,917 km (0.093 R)
• M3: 1,763,908 km (0.053 R)
• M4: 2,429,918 km (0.062 R)
• M5: 4,332,803 km (0.09 R)
• M6: 5,035,315 km (0.08 R)
• M7: 6,468,014 km (0.118 R)
• M8: 6,991,606 km (0.098 R)
• M9: 8,527,677 km (0.08 R)
• M10: 11,783,076 km (0.094 R)
• M11: 16,473,568 km (0.119 R)
• M12: 16,904,111 km (0.114 R)
• M13: 18,013,678 km (0.117 R)
• M14: 20,316,288 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 8.7

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.11 AU - 5.43 AU

Year: 8351 Days

Day: 13.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 174 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,179,438 km

• M1: 108,458 km (0.052 R)
• M2: 387,309 km (0.117 R)
• M3: 676,182 km (0.095 R)
• M4: 1,068,877 km (0.064 R)
• M5: 1,648,718 km (0.065 R)
• M6: 2,116,511 km (0.115 R)
• M7: 3,091,739 km (0.09 R)
• M8: 3,829,107 km (0.11 R)
• M9: 4,340,283 km (0.086 R)
• M10: 4,896,338 km (0.076 R)
• M11: 6,817,175 km (0.089 R)
• M12: 9,449,200 km (0.072 R)
• M13: 10,336,914 km (0.047 R)
• M14: 13,225,200 km (0.106 R)
• M15: 15,266,014 km (0.084 R)
• M16: 16,611,647 km (0.092 R)
• M17: 17,248,784 km (0.097 R)
• M18: 19,397,458 km (0.066 R)
• M19: 20,319,131 km (0.079 R)
• M20: 26,472,390 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.2

Radius: 3.1

Gravity: 80.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.55 AU - 9.81 AU

Year: 16149 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,179,438 km

• M1: 39,494 km (0.025 R)
• M2: 140,323 km (0.08 R)
• M3: 284,535 km (0.095 R)
• M4: 517,160 km (0.041 R)
• M5: 885,171 km (0.112 R)
• M6: 1,696,440 km (0.088 R)
• M7: 2,247,259 km (0.103 R)
• M8: 2,440,240 km (0.056 R)
• M9: 2,574,879 km (0.088 R)
• M10: 2,786,111 km (0.108 R)
• M11: 4,271,767 km (0.069 R)
• M12: 4,434,530 km (0.084 R)
• M13: 7,682,299 km (0.114 R)
• M14: 8,369,402 km (0.065 R)
• M15: 8,990,084 km (0.091 R)
• M16: 9,640,835 km (0.043 R)
• M17: 11,591,441 km (0.038 R)
• M18: 11,908,140 km (0.038 R)
• M19: 12,100,972 km (0.064 R)
• M20: 12,361,272 km (0.091 R)
• M21: 14,580,108 km (0.11 R)
• M22: 16,567,366 km (0.079 R)
• M23: 18,901,541 km (0.077 R)
• M24: 19,965,781 km (0.095 R)
• M25: 22,309,680 km (0.109 R)
• M26: 25,889,856 km (0.083 R)
• M27: 30,071,416 km (0.061 R)
• M28: 30,668,910 km (0.111 R)
• M29: 34,550,825 km (0.085 R)
• M30: 34,811,873 km (0.086 R)
• M31: 36,003,271 km (0.087 R)
• M32: 36,137,310 km (0.117 R)
• M33: 36,948,430 km (0.096 R)
• M34: 37,910,045 km (0.084 R)
• M35: 38,187,848 km (0.027 R)
• M36: 41,040,829 km (0.106 R)
• M37: 42,668,903 km (0.101 R)
• M38: 55,287,035 km (0.086 R)
• M39: 64,093,861 km (0.1 R)
• M40: 65,880,359 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.6

Radius: 5.6

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.41 AU - 10.25 AU

Year: 16595 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 100.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,179,438 km

• M1: 71,657 km (0.102 R)
• M2: 294,857 km (0.08 R)
• M3: 482,154 km (0.092 R)
• M4: 719,416 km (0.084 R)
• M5: 1,383,182 km (0.055 R)
• M6: 2,280,620 km (0.093 R)
• M7: 2,852,233 km (0.068 R)
• M8: 4,247,084 km (0.116 R)
• M9: 5,463,165 km (0.116 R)
• M10: 5,869,173 km (0.113 R)
• M11: 6,222,673 km (0.12 R)
• M12: 6,590,235 km (0.086 R)
• M13: 6,933,413 km (0.113 R)
• M14: 7,696,960 km (0.107 R)
• M15: 9,389,510 km (0.074 R)
• M16: 9,922,528 km (0.113 R)
• M17: 10,785,408 km (0.08 R)
• M18: 11,208,321 km (0.077 R)
• M19: 13,011,275 km (0.104 R)
• M20: 14,357,506 km (0.112 R)
• M21: 16,133,382 km (0.109 R)
• M22: 16,408,343 km (0.119 R)
• M23: 18,198,431 km (0.061 R)
• M24: 18,646,627 km (0.099 R)
• M25: 19,102,152 km (0.074 R)
• M26: 19,956,506 km (0.1 R)
• M27: 20,593,792 km (0.051 R)
• M28: 22,930,810 km (0.104 R)
• M29: 23,718,144 km (0.087 R)
• M30: 27,827,897 km (0.105 R)
• M31: 28,223,433 km (0.073 R)
• M32: 31,098,405 km (0.086 R)
• M33: 32,279,181 km (0.092 R)
• M34: 36,352,731 km (0.115 R)
• M35: 43,747,953 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.8

Radius: 4

Gravity: 55.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.66 AU - 9.14 AU

Year: 16805 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,179,438 km

• M1: 50,115 km (0.046 R)
• M2: 200,910 km (0.117 R)
• M3: 555,756 km (0.12 R)
• M4: 970,890 km (0.088 R)
• M5: 1,848,730 km (0.063 R)
• M6: 1,982,172 km (0.069 R)
• M7: 2,700,541 km (0.063 R)
• M8: 3,636,724 km (0.035 R)
• M9: 3,877,726 km (0.117 R)
• M10: 4,002,192 km (0.087 R)
• M11: 4,561,389 km (0.1 R)
• M12: 5,133,601 km (0.099 R)
• M13: 5,712,245 km (0.117 R)
• M14: 5,996,631 km (0.031 R)
• M15: 6,419,245 km (0.082 R)
• M16: 6,771,398 km (0.075 R)
• M17: 10,541,713 km (0.109 R)
• M18: 11,408,633 km (0.095 R)
• M19: 12,591,952 km (0.115 R)
• M20: 14,146,274 km (0.063 R)
• M21: 14,666,426 km (0.074 R)
• M22: 14,817,370 km (0.109 R)
• M23: 19,568,299 km (0.066 R)
• M24: 24,705,640 km (0.108 R)
• M25: 25,677,427 km (0.103 R)
• M26: 27,353,073 km (0.102 R)
• M27: 28,275,942 km (0.089 R)
• M28: 31,044,550 km (0.103 R)
• M29: 35,731,900 km (0.113 R)
• M30: 36,005,365 km (0.054 R)
• M31: 36,556,334 km (0.109 R)
• M32: 38,386,066 km (0.096 R)
• M33: 38,672,845 km (0.068 R)
• M34: 41,018,988 km (0.059 R)
• M35: 50,146,403 km (0.104 R)
• M36: 53,465,830 km (0.076 R)
• M37: 69,051,385 km (0.083 R)
• M38: 73,813,385 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.5

Radius: 6.1

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.15 AU - 12.41 AU

Year: 22751 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,179,438 km

• M1: 75,846 km (0.119 R)
• M2: 373,695 km (0.119 R)
• M3: 668,702 km (0.075 R)
• M4: 1,087,577 km (0.117 R)
• M5: 1,600,248 km (0.109 R)
• M6: 1,958,984 km (0.073 R)
• M7: 2,549,896 km (0.108 R)
• M8: 3,307,759 km (0.087 R)
• M9: 4,142,066 km (0.107 R)
• M10: 4,370,951 km (0.11 R)
• M11: 4,677,626 km (0.068 R)
• M12: 6,008,748 km (0.068 R)
• M13: 8,477,711 km (0.1 R)
• M14: 15,764,175 km (0.043 R)
• M15: 17,397,185 km (0.072 R)
• M16: 18,605,188 km (0.093 R)
• M17: 19,229,759 km (0.067 R)
• M18: 23,582,608 km (0.056 R)
• M19: 25,931,594 km (0.115 R)
• M20: 30,840,798 km (0.03 R)
• M21: 32,094,578 km (0.058 R)
• M22: 32,734,108 km (0.08 R)
• M23: 46,068,215 km (0.108 R)
• M24: 49,379,864 km (0.089 R)
• M25: 53,201,940 km (0.047 R)
• M26: 61,625,048 km (0.099 R)
• M27: 64,012,480 km (0.093 R)
• M28: 67,290,768 km (0.09 R)
• M29: 73,735,743 km (0.145 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: 198 - 18,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit