🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 8.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.73 AU - 0.85 AU

Year: 453 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,567,826 km

• M1: 103,522 km (0.112 R)
• M2: 383,120 km (0.102 R)
• M3: 760,406 km (0.103 R)
• M4: 1,391,260 km (0.088 R)
• M5: 1,719,179 km (0.108 R)
• M6: 3,108,045 km (0.093 R)
• M7: 4,130,098 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 8.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.03 AU - 1.55 AU

Year: 946 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,567,826 km

• M1: 103,223 km (0.09 R)
• M2: 384,467 km (0.058 R)
• M3: 672,143 km (0.119 R)
• M4: 959,521 km (0.103 R)
• M5: 1,351,018 km (0.082 R)
• M6: 1,685,669 km (0.107 R)
• M7: 2,123,093 km (0.045 R)
• M8: 2,513,095 km (0.092 R)
• M9: 2,962,487 km (0.067 R)
• M10: 3,800,833 km (0.091 R)
• M11: 4,251,871 km (0.08 R)
• M12: 4,539,398 km (0.052 R)
• M13: 5,243,106 km (0.113 R)
• M14: 5,536,767 km (0.062 R)
• M15: 5,822,050 km (0.116 R)
• M16: 6,780,075 km (0.067 R)
• M17: 7,151,377 km (0.072 R)
• M18: 7,721,943 km (0.119 R)
• M19: 8,175,673 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.5

Radius: 14.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.42 AU - 2.62 AU

Year: 2583 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,567,826 km

• M1: 179,218 km (0.114 R)
• M2: 699,669 km (0.107 R)
• M3: 1,160,580 km (0.088 R)
• M4: 1,607,728 km (0.097 R)
• M5: 2,386,086 km (0.11 R)
• M6: 2,840,116 km (0.026 R)
• M7: 3,530,959 km (0.085 R)
• M8: 4,146,105 km (0.098 R)
• M9: 5,227,099 km (0.105 R)
• M10: 6,003,363 km (0.097 R)
• M11: 6,544,159 km (0.116 R)
• M12: 9,357,347 km (0.051 R)
• M13: 10,274,531 km (0.063 R)
• M14: 11,011,151 km (0.111 R)
• M15: 11,576,332 km (0.119 R)
• M16: 12,546,773 km (0.084 R)
• M17: 14,173,949 km (0.098 R)
• M18: 15,433,863 km (0.113 R)
• M19: 17,246,241 km (0.105 R)
• M20: 19,081,358 km (0.069 R)
• M21: 19,603,754 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 11.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.35 AU - 2.71 AU

Year: 2598 Days

Day: 13.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,567,826 km

• M1: 148,102 km (0.117 R)
• M2: 604,824 km (0.088 R)
• M3: 1,003,503 km (0.119 R)
• M4: 2,625,293 km (0.104 R)
• M5: 3,346,804 km (0.096 R)
• M6: 4,075,196 km (0.093 R)
• M7: 5,302,945 km (0.116 R)
• M8: 5,720,623 km (0.072 R)
• M9: 6,133,961 km (0.058 R)
• M10: 7,434,865 km (0.099 R)
• M11: 9,222,260 km (0.102 R)
• M12: 9,755,876 km (0.032 R)
• M13: 11,603,260 km (0.071 R)
• M14: 11,974,113 km (0.107 R)
• M15: 13,902,579 km (0.032 R)
• M16: 15,281,871 km (0.065 R)
• M17: 17,871,111 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690

Radius: 6.7

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.72 AU - 6.92 AU

Year: 11500 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,567,826 km

• M1: 83,326 km (0.099 R)
• M2: 375,341 km (0.072 R)
• M3: 691,142 km (0.107 R)
• M4: 1,328,130 km (0.073 R)
• M5: 1,548,188 km (0.06 R)
• M6: 2,860,162 km (0.07 R)
• M7: 4,328,614 km (0.089 R)
• M8: 4,849,813 km (0.091 R)
• M9: 5,343,636 km (0.1 R)
• M10: 5,655,697 km (0.101 R)
• M11: 5,979,876 km (0.115 R)
• M12: 6,508,854 km (0.089 R)
• M13: 7,027,360 km (0.117 R)
• M14: 7,790,459 km (0.106 R)
• M15: 8,701,659 km (0.078 R)
• M16: 10,953,107 km (0.095 R)
• M17: 12,754,864 km (0.079 R)
• M18: 14,279,117 km (0.11 R)
• M19: 14,544,354 km (0.113 R)
• M20: 14,948,567 km (0.091 R)
• M21: 19,574,283 km (0.069 R)
• M22: 22,209,449 km (0.095 R)
• M23: 23,843,357 km (0.084 R)
• M24: 29,223,346 km (0.088 R)
• M25: 30,410,405 km (0.113 R)
• M26: 32,880,415 km (0.113 R)
• M27: 35,602,199 km (0.119 R)
• M28: 38,855,803 km (0.091 R)
• M29: 41,087,205 km (0.064 R)
• M30: 41,489,623 km (0.088 R)
• M31: 43,680,484 km (0.108 R)
• M32: 50,560,041 km (0.108 R)
• M33: 51,487,249 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.6

Radius: 5.5

Gravity: 29.71 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.55 AU - 8.31 AU

Year: 11779 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 55,567,826 km

• M1: 68,366 km (0.098 R)
• M2: 286,031 km (0.066 R)
• M3: 807,829 km (0.101 R)
• M4: 1,538,764 km (0.12 R)
• M5: 3,753,710 km (0.093 R)
• M6: 4,337,740 km (0.118 R)
• M7: 4,846,971 km (0.038 R)
• M8: 5,081,989 km (0.074 R)
• M9: 6,903,643 km (0.069 R)
• M10: 7,244,576 km (0.044 R)
• M11: 9,794,023 km (0.069 R)
• M12: 10,061,654 km (0.114 R)
• M13: 10,611,575 km (0.081 R)
• M14: 11,065,904 km (0.096 R)
• M15: 11,532,949 km (0.117 R)
• M16: 12,013,008 km (0.095 R)
• M17: 12,319,833 km (0.046 R)
• M18: 14,203,271 km (0.055 R)
• M19: 15,536,337 km (0.119 R)
• M20: 20,291,156 km (0.113 R)
• M21: 21,615,247 km (0.063 R)
• M22: 21,796,111 km (0.103 R)
• M23: 24,729,426 km (0.111 R)
• M24: 31,829,640 km (0.1 R)
• M25: 34,839,250 km (0.118 R)
• M26: 37,120,019 km (0.106 R)
• M27: 37,640,021 km (0.069 R)
• M28: 37,901,817 km (0.027 R)
• M29: 38,694,536 km (0.097 R)
• M30: 39,095,160 km (0.084 R)
• M31: 39,768,799 km (0.087 R)
• M32: 42,824,934 km (0.108 R)
• M33: 43,253,382 km (0.1 R)
• M34: 44,264,364 km (0.12 R)
• M35: 48,311,585 km (0.1 R)
• M36: 49,870,993 km (0.07 R)
• M37: 50,982,506 km (0.043 R)
• M38: 53,254,598 km (0.078 R)
• M39: 54,750,427 km (0.112 R)
• M40: 56,273,932 km (0.115 R)
• M41: 58,174,124 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.8

Radius: 6.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.83 AU - 11.61 AU

Year: 22662 Days

Day: 24.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,567,826 km

• M1: 80,783 km (0.042 R)
• M2: 443,707 km (0.071 R)
• M3: 671,694 km (0.06 R)
• M4: 886,816 km (0.106 R)
• M5: 1,234,781 km (0.075 R)
• M6: 1,579,006 km (0.096 R)
• M7: 2,359,308 km (0.085 R)
• M8: 4,492,424 km (0.029 R)
• M9: 4,839,790 km (0.067 R)
• M10: 6,065,146 km (0.068 R)
• M11: 7,441,297 km (0.104 R)
• M12: 10,574,475 km (0.092 R)
• M13: 13,050,619 km (0.104 R)
• M14: 13,889,265 km (0.084 R)
• M15: 14,763,215 km (0.092 R)
• M16: 17,070,015 km (0.071 R)
• M17: 17,604,827 km (0.038 R)
• M18: 19,112,923 km (0.091 R)
• M19: 21,577,698 km (0.025 R)
• M20: 23,209,661 km (0.081 R)
• M21: 24,727,930 km (0.089 R)
• M22: 29,459,860 km (0.084 R)
• M23: 35,373,613 km (0.07 R)
• M24: 38,541,797 km (0.042 R)
• M25: 43,147,167 km (0.081 R)
• M26: 44,281,718 km (0.074 R)
• M27: 45,000,685 km (0.116 R)
• M28: 50,409,695 km (0.1 R)
• M29: 51,509,539 km (0.12 R)
• M30: 54,904,663 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 18,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit